Happy vs InterviewGenie
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Happy
This app provides a secure mobile interface for AI coding assistants, allowing you to continue sessions and monitor progress from anywhere. It features end-to-end encryption and a zero-knowledge architecture for ultimate privacy. Seamlessly switch between desktop and mobile for uninterrupted AI coding.
- Seamless desktop and mobile session continuation
- Push notifications for AI tasks
- Offline access to conversation history
- End-to-end encryption for code privacy
- Real-time streaming of AI responses
- Zero-knowledge architecture
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Happy Coder is the secure mobile companion for Codex and Claude Code that lets you continue your AI coding sessions anywhere (not affiliated with Anthropic or OpenAI). Built by developers who needed to check on their AI assistant's progress during coffee breaks, this app brings the full Codex and Claude Code experience to your phone with military-grade encryption. **Important**: This app requires Codex or Claude Code to be installed on your computer. Happy Coder is a companion app that connects to your existing Codex or Claude Code setup. **Key Features:** - Continue Codex and Claude Code sessions seamlessly between desktop and mobile - Push notifications for permission requests and task completion - Access conversation history even when your terminal is offline - End-to-end encryption - your code stays private - Real-time streaming of AI responses - Zero-knowledge architecture - we can't read your data **How It Works:** 1. Install the happy-coder CLI on your computer 2. Scan a QR code to securely pair your devices 3. Use 'happy' instead of 'codex' or 'claude' to start encrypted sessions 4. Switch between desktop and mobile instantly Perfect for developers who: - Want to monitor long-running tasks on the go - Need secure access to proprietary code discussions - Value privacy and open-source transparency - Work from coffee shops, trains, or anywhere Happy Coder uses the same encryption as Signal (TweetNaCl) and is completely open source. Your encryption keys never leave your device, and all data is encrypted before transmission. Built by Bay Area engineers who believe the best tools come from scratching your own itch. We needed a way to securely check on our AI coding assistant while away from our desks - so we built it and shared it with the community. Your code. Your privacy. Your Codex and Claude Code companion. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
InterviewGenie
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Interview Genie: Your AI-Powered Node.js Interview Coach Interview Genie is the all-in-one training ground built by developers, for developers. Stop passively reading and start actively preparing with a suite of powerful tools tailored to sharpen your Node.js, JavaScript, and backend architecture skills—so you can build confidence and land your next Node.js role. Whether you’re a junior developer preparing for your first Node.js interview or a senior engineer aiming for a lead position, Interview Genie adapts your learning path to focus on what really matters—JavaScript fundamentals, Node.js internals, asynchronous programming, event loop, performance optimization, backend architecture, and real-world coding challenges. AI-Powered Mock Interviews • Engage with an AI Coach in realistic interview sessions via text or voice • Receive instant, detailed feedback across Clarity, Correctness, and Depth • Use consumable AI credits to analyze your answers and improve faster On-Device AI Processing • AI inference is performed directly on your device for faster, low-latency feedback • Reduces round-trip delays while keeping sensitive input processing local • Designed for efficient, native performance Intelligent Spaced Repetition (SRS) • Daily Review: Smart scheduling resurfaces questions at the right time for long-term retention • Buggy Code Review: Daily sessions focused on identifying and fixing common Node.js and JavaScript issues Customizable Drills & Practice • Simulate real interview pressure with timed Performance Drills • Practice freely in the Practice Arena (untimed) • Customize sessions by question type (MCQ or open-ended), difficulty, and Node.js-specific topics Comprehensive Study Guide • Deep dives into Node.js fundamentals, event loop, async patterns, streams, memory management, and system design • Each topic includes explanations, best practices, examples, and common interview mistakes Widgets for Daily Tracking • Daily review and progress widgets to track your preparation at a glance • Monitor streaks, completed drills, and performance without opening the app Detailed Analytics & History • Review performance across all sessions in one place • Track accuracy, speed, and consistency with clear insights • Filter by topic or session type to identify gaps and blind spots Competitive Progress Tracking • Compare progress across drills and mock interviews • Track improvement over time and stay motivated Unlock Everything with a Subscription • Full access to the Node.js Study Guide • Unlimited drills and topic-based practice • Daily SRS and Buggy Code sessions • AI credits for coaching and feedback • Option to purchase additional AI credits Stop memorizing. Start understanding. Download Interview Genie and take control of your interview preparation today.
Screenshots
Verdict
The clearest difference is update cadence: Happy at weekly against InterviewGenie's every 5 months. Happy also leads on chart position (#35 vs unranked) and iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Happy sells 1 in-app purchase, starting at $19.99 per month and InterviewGenie sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Happy ships an update weekly, InterviewGenie every 5 months. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.
| Parameter | Happy | InterviewGenie |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (991 ratings) — better | — |
| Positive reviews | 71.2% of reviews | — |
| Number of ratings | 991 — better | — |
| Update frequency | Weekly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #35 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 92 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Bulka, LLC | Abhinav Jha |
In-app purchases
Happy
- Plus Plus Monthly$19.991 Month
InterviewGenie
- Drill Top-Up$1.99
- Coach Top-Up$1.99
- Lite Pack$3.99
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- Unlock Only$5.99
- On-Device AI Pack$7.99
- Plus Pack$8.99
- Unlock + AI Lite$8.99
- Unlock + On-Device AI$12.99
- AI Max + Free Unlock$14.99
- Max Pack$14.99








