Expert Swift Code Review for AI-Built Apps
Swift is the primary language for iOS and macOS development. AI tools generate Swift code that often mishandles optionals, lacks proper memory management, and ignores Apple's security frameworks like Keychain and App Transport Security.
Common Swift issues we find
Real problems from Swift codebases we've reviewed.
Force unwrapping optionals
Using ! to force-unwrap optionals instead of guard let or if let, causing runtime crashes when values are nil.
Storing secrets in UserDefaults
Saving API keys, tokens, and passwords in UserDefaults (plaintext plist) instead of Keychain, making them easily extractable from device backups.
Retain cycles from closures
Strong references to self inside closures and delegate patterns without [weak self] or [unowned self], causing memory leaks that grow over app lifetime.
Main thread blocking
Network requests, file I/O, and heavy computation performed on the main thread, freezing the UI and risking watchdog termination.
Disabled App Transport Security
NSAllowsArbitraryLoads set to true in Info.plist, allowing unencrypted HTTP connections and man-in-the-middle attacks.
Swift production checklist
Key checks before deploying your Swift app.
No force unwraps — use guard let, if let, or nil coalescing
Sensitive data stored in Keychain (not UserDefaults)
Weak self in closures to prevent retain cycles
Network and I/O operations on background threads
App Transport Security not globally disabled
Proper error handling (no try! or force casts)
Instruments profiling shows no memory leaks
App Store submission requirements met (privacy, icons, metadata)
Not sure if your app passes? Our code audit ($19) checks all of these and more.
Our Swift services
Security Review
Deep security analysis of your application — from API endpoints to database access.
Deploy & Ship
From local development to production deployment.
Fix Bugs
We diagnose and fix bugs in AI-generated apps — from mysterious crashes to features that just don't work right.
Performance
Identify and fix performance bottlenecks — slow page loads, laggy interactions, and expensive operations.
AI tools that generate Swift code
Start with a self-serve audit
Get a professional review of your Swift project at a fixed price.
Security Scan
Black-box review of your public-facing app. No code access needed.
- OWASP Top 10 checks
- SSL/TLS analysis
- Security headers
- Expert review within 24h
Code Audit
In-depth review of your source code for security, quality, and best practices.
- Security vulnerabilities
- Code quality review
- Dependency audit
- AI pattern analysis
Complete Bundle
Both scans in one package with cross-referenced findings.
- Everything in both products
- Cross-referenced findings
- Unified action plan
100% credited toward any paid service. Start with an audit, then let us fix what we find.
How it works
Tell us about your app
Share your project details and what you need help with.
Get a clear plan
We respond in 24 hours with scope, timeline, and cost.
Launch with confidence
We fix what needs fixing and stick around to help.
Frequently asked questions
Can AI tools build a production iOS app?
AI tools can scaffold Swift UI and logic, but the generated code commonly force-unwraps optionals, leaks memory, and stores secrets insecurely. A review ensures App Store readiness.
How do you review Swift code?
We audit memory management (retain cycles, leaks), optional handling, Keychain usage, ATS configuration, concurrency patterns, and overall architecture.
Can you fix crashes in my iOS app?
Yes. Most AI-generated Swift crashes come from force unwraps, threading issues, or unhandled edge cases. We trace crash logs, fix root causes, and add proper safeguards.
Related resources
Need help with your Swift project?
Tell us about your project. We'll respond within 24 hours with a clear plan and fixed quote.