Mobile WalletConnect integration has changed materially since 2024 (Reown migration, Link Mode, iOS/Android deep-linking constraints). Below is a pragmatic, code-first path to ship native iOS/Android with WalletConnect that clears SOC2 and app‑store hurdles while protecting ROI.

Target audience: Enterprise (keywords: SOC2, MDM, PII, procurement, ROI).

Mobile Web3: Integrating WalletConnect into Native iOS/Android Apps

Pain

Your mobile app team has “Connect Wallet” on the roadmap, but three blockers keep pushing launch dates:

SDK churn and breaking changes: WalletConnect’s v2 SDKs were deprecated during the rebrand to Reown; Swift/Kotlin repos reached end-of-life in February 2025. Migration is non‑optional if you want security fixes and support. (docs.reown.com)
Mobile linking instability: iOS 17 changed how apps hop between wallet and dApp; universal links often bounce to the browser, and deep-link redirects behave differently than they did in iOS 16. (docs.reown.com)
Background/network limits: Android 14 tightened foreground service types and background activity launch rules; relying on sockets to stay alive during sign flows fails under Doze/App Standby unless you design explicitly for it. (developer.android.com)

On top of this, App Store/Play policies around NFTs/crypto still add compliance ambiguity that procurement must sign off on. (appleinsider.com)

Agitation

Ignoring these shifts risks more than UX friction:

Missed deadlines and rework: shipping on deprecated WalletConnect packages means no patches after Feb 2025; a critical wallet or relay bug puts your launch at risk. (docs.reown.com)
App-store rejection loops: Apple bans alternative purchase rails for NFTs in most regions and only narrowly allows external links in U.S. storefronts post‑injunction; a mis-scoped link or pay flow can sink review and cascade schedule slips. (appleinsider.com)
Security audit failures: without allowlisting your WalletConnect Project ID, enforcing SIWE nonce/origin checks, and using hardware-backed key stores, you’ll fail SOC2 controls for key management and request integrity. (docs.walletconnect.network)
Engagement loss: background suspensions on Android and iOS kill “silent” sign prompts; without push + Link Mode, users never see the request, depressing pairing-to-sign conversion. (docs.reown.com)

In short: the “it worked in our dev build” demo collapses under store review, device battery policies, and modern wallet UX expectations.

Solution

Below is 7Block Labs’ technical-but-pragmatic blueprint to integrate WalletConnect in native mobile with enterprise-grade reliability and compliance. If you need hands-on delivery, our team provides end-to-end web3 development services, blockchain integration, and formal security audit services.

1) Choose the right SDKs (Reown, not legacy WalletConnect v2)

iOS: Use Reown Swift packages (“WalletKit” and AppKit) from
```
reown-com/reown-swift
```
via SPM. The old
```
WalletConnectSwiftV2
```
is deprecated. (docs.reown.com)
Android: Use the
```
com.reown:*
```
coordinates (BOM +
```
android-core
```
,
```
walletkit
```
,
```
appkit
```
) instead of
```
com.walletconnect:*
```
. The Kotlin v2 repo is deprecated; migrate before relying on updates. (docs.reown.com)

Practical note: this migration unlocks AppKit “Link Mode” and new Notify/Push capabilities your growth team will want. (docs.reown.com)

2) Configure Cloud Project ID and lock it down

Obtain a Project ID from the WalletConnect/Reown dashboard and pass it to your SDK init. Enable origin/bundle-id allowlisting to prevent misuse of your Project ID in rogue builds. (docs.walletconnect.network)

Why it matters for SOC2: allowlisting + environment scoping (dev/stage/prod) controls blast radius if keys leak in CI or a test build escapes.

3) Mobile linking that actually returns users to your app

Prefer deep links over universal links for wallet <-> app transitions; universal links often round-trip to a browser, especially on iOS 17+. (docs.walletconnect.network)
iOS deep link setup (Info.plist):

<key>CFBundleURLTypes</key>
<array>
  <dict>
    <key>CFBundleURLSchemes</key>
    <array>
      <string>yourapp</string>
    </array>
  </dict>
</array>

Implement openURL in SceneDelegate:

func scene(_ scene: UIScene, openURLContexts contexts: Set<UIOpenURLContext>) {
  guard let url = contexts.first?.url else { return }
  // hand URL to Reown AppKit/WalletKit
}

Android manifest intent-filters:

<intent-filter>
  <action android:name="android.intent.action.VIEW"/>
  <category android:name="android.intent.category.DEFAULT"/>
  <category android:name="android.intent.category.BROWSABLE"/>
  <data android:scheme="yourapp"/>
</intent-filter>

If you own the wallet app, add wallet deep links (e.g.,
```
examplewallet://wc?uri={pairingUri}
```
) and set Redirect metadata in SDK init so the wallet can return to the dApp. (docs.walletconnect.network)

iOS 17 caveat: automatic redirection back to browser-based dApps may not be possible—surface a clear “Return to [App]” button and rely on deep links for app-to-app. (docs.reown.com)

4) Enable Link Mode to cut latency and survive flaky networks

AppKit/WalletKit Link Mode moves session/1‑click auth envelopes over Universal/App Links instead of relying solely on a Relay WebSocket. This reduces latency and can work even without an internet connection during the hop. (docs.reown.com)
Requirements:
- Configure
```
redirect.universal
```
  and set
```
linkMode: true
```
  in your metadata.
- Link Mode currently requires One‑Click Auth + SIWE and is EVM‑only. (docs.reown.com)

5) Initialize SDKs with redirect metadata (mandatory in recent versions)

Swift (WalletKit):

import WalletKit

let metadata = AppMetadata(
  name: "Acme Mobile",
  description: "Enterprise dApp",
  url: "https://acme.example",
  icons: ["https://acme.example/icon.png"],
  redirect: .init(
    native: "yourapp://",
    universal: "https://acme.example/wc"
  )
)

try await WalletKit.instance.initialize(projectId: "<PROJECT_ID>", metadata: metadata)

Reown notes that

redirect

is mandatory in recent SDKs to avoid redirection issues. (docs.reown.com)

Android (AppKit Core):

dependencies {
  implementation(platform("com.reown:android-bom:<BOM_VERSION>"))
  implementation("com.reown:android-core")
  implementation("com.reown:appkit")
}

Configure ProGuard rules per docs to avoid minification breaks for JNA/uniffi. (docs.reown.com)

6) Pairing and approving sessions

iOS (WalletKit) – build namespaces and approve:

// On session proposal
let ns = try AutoNamespaces.build(
  sessionProposal: proposal,
  chains: [Blockchain("eip155:1")!, Blockchain("eip155:137")!],
  methods: ["eth_sendTransaction", "personal_sign"],
  events: ["accountsChanged", "chainChanged"],
  accounts: [Account("eip155:1:0x...")!]
)

try await WalletKit.instance.approve(proposalId: proposal.id, namespaces: ns)
// Optional: direct user back with Router if native URI is present

AutoNamespaces and session approval flow are provided in Reown WalletKit usage docs. (docs.reown.com)

Android (WalletKit) – generate approved namespaces:

val sessionNamespaces = WalletKit.generateApprovedNamespaces(sessionProposal, supportedNamespaces)
walletKit.approveSession(Wallet.Params.SessionApprove(sessionProposal.id, sessionNamespaces))

(docs.reown.com)

React Native/Flutter implementations follow the same events (
```
session_proposal
```
,
```
pair
```
) and are useful for in‑app WebView flows; Reown provides examples. (docs.reown.com)

Use ERC‑4361 SIWE for off‑chain auth. Enforce:
- Server‑generated nonce (anti‑replay)
- Domain binding (verify
```
scheme
```
  +
```
domain
```
  against request origin)
- Expiration/not‑before when appropriate
  This is both good security and helps satisfy SOC2 logical access controls. (eips.ethereum.org)

Implementation tip: treat “not‑before” as invalid until its time—some implementers allow signing but reject on server verification until valid. (ethereum.stackexchange.com)

8) Reduce taps and errors with EIP‑5792 batched calls (where supported)

Adoption is accelerating: EIP‑5792 adds
```
wallet_sendCalls
```
,
```
wallet_getCallsStatus
```
, and capability discovery. It reached “Last Call” in 2025 and is appearing in major wallets and ecosystems. (eips.ethereum.org)
Why it matters for ROI: batch “approve + swap” or “permit + trade” into one confirmation, reducing abandonment and support tickets.
Example request (pseudo):

await provider.request({
  method: "wallet_sendCalls",
  params: [{
    from: user,
    chainId: "0x1",
    calls: [
      { to: token, data: approveCalldata },
      { to: router, data: swapCalldata }
    ],
    capabilities: { /* optional: paymaster, atomicity */ }
  }]
})

Even where unsupported, you can feature-detect via

wallet_getCapabilities

and gracefully degrade. (eips.ethereum.org)

9) Deliver requests reliably with encrypted push notifications

For wallets, configure Reown Push Server + FCM v1/APNs; encrypted payloads let you display request context without exposing sensitive data in transit. Legacy FCM is deprecated—use v1. (docs.reown.com)
iOS registration:

func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
  Task { try await WalletKit.instance.register(deviceToken: deviceToken, enableEncrypted: true) }
}

(docs.reown.com)

Android/React Native variants are supported via FCM device token registration. (docs.reown.com)

Strategic benefit: push + Link Mode counteracts background socket limits on Android 14 and flaky mobile networks. (developer.android.com)

10) Handle WebView and in‑app browsers correctly

If you load a dApp in WKWebView or Android WebView, intercept deep/universal links and forward them to AppKit so the wallet can process them; do not depend on default OS behavior. Reown provides recipes per platform. (docs.reown.com)

11) App-store compliance checkpoints for procurement

Apple: Crypto exchange functionality must only run in licensed regions; NFT sales and “unlockable” features must use IAP in most storefronts. External links for payments are allowed under a U.S.-specific injunction update—validate your storefront target and wording carefully. (appleinsider.com)
Google Play: Digital assets/NFTs are allowed if you’re transparent (no “earn” claims) and comply with gambling rules. (techcrunch.com)

We typically maintain a region matrix (US/EU/ROW) and feature flags to avoid surprise rejections late in review.

12) Key management and device security that pass SOC2

iOS: store secrets in Keychain; use access groups if you have multiple app targets; prefer Secure Enclave‑backed keys where possible. (support.apple.com)
Android: generate keys in Android Keystore; detect hardware security level (TEE/StrongBox) and enable attestation for high‑risk flows. Be mindful that StrongBox may be slower; choose per‑threat‑model. (developer.android.com)
Android 14: respect foreground service type rules (e.g., remoteMessaging) and background launch restrictions; don’t try to “wake the app” to sign—use push + Link Mode. (developer.android.com)

These controls map cleanly to SOC2 CC6/CC7 (logical access and change control) and CC5 (control activities around key custody).

13) Example end‑to‑end flow (native app + external wallet)

User taps “Connect Wallet” in your native app; you generate a WC URI via Reown and open the chosen wallet via deep link.
Wallet receives session proposal; user approves; wallet calls back to your app using your
```
redirect.native
```
. (docs.walletconnect.network)
Your app requests SIWE; backend verifies signature + nonce + origin; session started. (eips.ethereum.org)
For transactions, attempt EIP‑5792 batch; if unsupported, fall back to legacy RPC. (eips.ethereum.org)
If the app is backgrounded, a new sign request is delivered via encrypted push; on tap, wallet opens and completes. (docs.reown.com)

14) Practical iOS/Android snippets you can drop in

Reown Swift SPM install: add
```
https://github.com/reown-com/reown-swift
```
and select AppKit/WalletKit. (docs.reown.com)

Reown Kotlin dependencies:

implementation(platform("com.reown:android-bom:$BOM_VERSION")); implementation("com.reown:android-core"); implementation("com.reown:appkit")

. (docs.reown.com)

Configure metadata with link mode (React Native example, concept applies to native): set
```
redirect.native
```
,
```
redirect.universal
```
,
```
linkMode: true
```
. (docs.reown.com)

15) Gas and cost optimization considerations

Even for Enterprise, “gas optimization” impacts mobile UX and LTV: use EIP‑5792 batching where available; otherwise pre‑build approvals with Permit2 or meta‑transactions and surface total cost pre‑sign. Where Account Abstraction is in use, consider sponsored transactions via wallet/bundler paymasters. (eips.ethereum.org)

16) Governance, logging, and vendor controls

Enable Verify SDK in Reown Dashboard to validate dApp origins—reduces phishing and supports auditability. (docs.reown.com)
Segment Cloud Project IDs per environment; enforce bundle ID/package name allowlists; rotate secrets and alert on unexpected origins. (docs.walletconnect.network)

How 7Block Labs executes (and why it minimizes delivery risk)

Architecture and threat model in Week 1–2: select SDKs, define deep/universal links, SIWE flows, and region gating with your compliance team.
Dual‑track build:
- Mobile: deep link plumbing, Link Mode, push registration, WebView intercepts, EIP‑5792 feature-detection.
- Backend: SIWE endpoints, nonce store, origin validation, metrics pipeline, AB test toggles for batch vs. legacy flows.
Security and store-readiness: Keychain/Keystore policies, Reown allowlists, Verify SDK, logging redaction, and a pre‑submission compliance checklist for Apple/Google.
We ship, then scale: add optional cross‑chain solutions, DeFi integrations, or asset tokenization once your core funnel is stable.

If fundraising or ecosystem grants are in scope, our fundraising support team packages technical milestones into grant‑ready deliverables.

Proof: GTM metrics we commit to instrument on Day 1

We avoid vanity metrics and measure what procurement cares about:

Reliability and latency
- TTFP (time to first pairing), median and P95.
- Link Mode benefit: delta in connect latency vs. relay‑only paths. (docs.reown.com)
Conversion
- Pairing → session approval rate.
- Approval → first successful RPC (or EIP‑5792 batch) rate. (eips.ethereum.org)
Notification efficacy
- Push‑delivered sign requests: open rate and completion rate (encrypted push enabled). (docs.reown.com)
Compliance
- App‑store review outcomes by storefront (U.S. external‑link allowances vs. others), NFT/IAP flags. (theverge.com)
Security posture
- % of requests with verified origins (Verify SDK on).
- % of devices using hardware‑backed keys (TEE/StrongBox / Secure Enclave). (docs.reown.com)

These flow into a CFO‑readable dashboard that ties engineering work to user conversion and support cost deflection.

Procurement quick notes (SOC2, SOW, timelines)

SOC2: document key custody (Keychain/Keystore), origin verification, and data handling (no PII in logs; encrypted push payloads). (support.apple.com)
App-store policy memo: include Apple/Google references and region matrix in the SOW to avoid last‑minute scope creep. (appleinsider.com)
Timeline: typical 6–10 weeks to MVP if native-only (iOS/Android), plus 2–3 weeks for staged rollout and store iterations.
Addenda: optional smart contract development and custom blockchain development services if your flows require Solidity changes.

Common pitfalls (and how to avoid them)

Shipping on deprecated WalletConnect v2 repos. Fix: migrate to Reown before you write a line of app code. (docs.reown.com)
Assuming universal links will always return to the app on iOS 17+. Fix: deep-link first; inform users when manual return is required. (docs.reown.com)
Relying on background sockets on Android 14. Fix: use push + Link Mode and respect FGS/background rules. (developer.android.com)
Not allowlisting Project IDs. Fix: lock down origins/bundle IDs in Reown Cloud. (docs.walletconnect.network)
Weak SIWE checks. Fix: verify domain, nonce, and expiry rigorously server-side. (eips.ethereum.org)

If you want a battle-tested implementation with measurable ROI and audit-ready controls, we can lead the build and own delivery risk end-to-end across engineering, security, and store submission. See our dApp development solutions for details, or explore blockchain bridge development if your roadmap includes cross‑chain expansion.

Bold outcomes we target:

Fewer failed sign-ins and fewer stuck transactions through Link Mode, push, and EIP‑5792 batching. (docs.reown.com)
Lower support volume via origin verification, encrypted pushes, and predictable redirects. (docs.reown.com)
Store-ready compliance by design, not at the eleventh hour. (appleinsider.com)

Strong mobile wallet UX is an engineering problem with business consequences. Done right, it turns sign-in and signing into a competitive advantage instead of a risk item on your audit plan.

Book a 90-Day Pilot Strategy Call.

Mobile Web3: Integrating WalletConnect into Native iOS/Android Apps

Pain

Agitation

Solution

1) Choose the right SDKs (Reown, not legacy WalletConnect v2)

2) Configure Cloud Project ID and lock it down

3) Mobile linking that actually returns users to your app

4) Enable Link Mode to cut latency and survive flaky networks

5) Initialize SDKs with redirect metadata (mandatory in recent versions)

6) Pairing and approving sessions

8) Reduce taps and errors with EIP‑5792 batched calls (where supported)

9) Deliver requests reliably with encrypted push notifications

10) Handle WebView and in‑app browsers correctly

11) App-store compliance checkpoints for procurement

12) Key management and device security that pass SOC2

13) Example end‑to‑end flow (native app + external wallet)

14) Practical iOS/Android snippets you can drop in

15) Gas and cost optimization considerations

16) Governance, logging, and vendor controls

How 7Block Labs executes (and why it minimizes delivery risk)

Proof: GTM metrics we commit to instrument on Day 1

Procurement quick notes (SOC2, SOW, timelines)

Common pitfalls (and how to avoid them)

Like what you're reading? Let's build together.

Related Posts

Partnering with 7Block Labs: A New Era of Enterprise Blockchain

7Block Labs’ Comprehensive Ecosystem for DeFi and Beyond

Introduction to "Testnets" (Goerli, Sepolia)

Mobile Web3: Integrating WalletConnect into Native iOS/Android Apps

Pain

Agitation

Solution

1) Choose the right SDKs (Reown, not legacy WalletConnect v2)

2) Configure Cloud Project ID and lock it down

3) Mobile linking that actually returns users to your app

4) Enable Link Mode to cut latency and survive flaky networks

5) Initialize SDKs with redirect metadata (mandatory in recent versions)

6) Pairing and approving sessions

7) Make sign-in auditable and phishing‑resistant with SIWE

8) Reduce taps and errors with EIP‑5792 batched calls (where supported)

9) Deliver requests reliably with encrypted push notifications

10) Handle WebView and in‑app browsers correctly

11) App-store compliance checkpoints for procurement

12) Key management and device security that pass SOC2

13) Example end‑to‑end flow (native app + external wallet)

14) Practical iOS/Android snippets you can drop in

15) Gas and cost optimization considerations

16) Governance, logging, and vendor controls

How 7Block Labs executes (and why it minimizes delivery risk)

Proof: GTM metrics we commit to instrument on Day 1

Procurement quick notes (SOC2, SOW, timelines)

Common pitfalls (and how to avoid them)

Like what you're reading? Let's build together.

Related Posts

Partnering with 7Block Labs: A New Era of Enterprise Blockchain

7Block Labs’ Comprehensive Ecosystem for DeFi and Beyond

Introduction to "Testnets" (Goerli, Sepolia)