Comparison

InterviewGenie vs Codex Relay

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

InterviewGenie

Features
Read full description

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.

About

Codex Relay

Manage your Codex workflow remotely from your phone. Track active threads, send prompts, review output, and respond to requests. Designed for developers to stay connected to their work without being at their desk.

Highlights
  • Follow Codex conversations remotely
  • Send prompts and follow-up instructions
  • Respond to approval and input requests
  • Attach images for context
  • Review workspace and thread activity
  • Manage relay server state
  • Check usage statistics
Features
Read full description

Codex Relay brings your Codex workflow to your phone. Connect to your local Codex Relay server and keep track of active threads, responses, approvals, and workspace activity without staying at your desk. Send follow-up prompts, review assistant output, attach images for context, and respond when Codex needs input before it can continue. Built for developers who use Codex as part of real work, Codex Relay keeps the mobile experience focused, fast, and close to the terminal workflow. Key features: - Follow Codex conversations from your phone - Send prompts and follow-up instructions - Respond to approval and input requests - Attach images as context - Review workspace and thread activity - Manage connected relay server state - Check usage - Designed for local developer workflows Codex Relay requires a running Codex Relay server on your computer. Start the server with `npx codex-relay@latest`, then connect your device over your local network. GitHub: https://github.com/gronxb/codex-relay Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

InterviewGenie4 screens
Codex Relay4 screens

Verdict

The call

The clearest difference is in-app purchases: Codex Relay at none against InterviewGenie's 10. Codex Relay also leads on update cadence (fortnightly vs every 5 months) and chart position (#82 vs unranked). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. InterviewGenie sells 10 one-off in-app purchases. Codex Relay asks for nothing beyond the download.

UpkeepUpdate frequency

InterviewGenie ships an update every 5 months, Codex Relay fortnightly. The most recent releases landed on September 14, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 8 level
InterviewGenie versus Codex Relay: the parameters behind the verdict, then further details
ParameterInterviewGenieCodex Relay
PriceFreeFree
Rating—4.2 (54 ratings) — better
Positive reviews—70.6% of reviews
Number of ratings—54 — better
Update frequencyEvery 5 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
Best chart rank—#82 — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.4 — better
Further details — not scored
Size14 MB111 MB
Age rating4+17+
DeveloperAbhinav JhaKang Sungyu

In-app purchases

10 purchases

InterviewGenie

One-time10
  • Drill Top-Up$1.99
  • Coach Top-Up$1.99
  • Lite Pack$3.99
Show 7 more
  • 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
None

Codex Relay

No in-app purchases

Questions

Is InterviewGenie free?
InterviewGenie is free to download, with in-app purchases available.
Is Codex Relay free?
Codex Relay is free to download, with no in-app purchases.
Do InterviewGenie or Codex Relay have ads?
Neither InterviewGenie nor Codex Relay shows ads.
Which is updated more often, InterviewGenie or Codex Relay?
InterviewGenie ships an update every 5 months, and Codex Relay fortnightly. Most recently, InterviewGenie was updated on September 14, 2026 and Codex Relay on September 25, 2026.

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