Codex Relay vs QReader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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/
QReader
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QReader is a QR analysis toolkit designed for developers, banking professionals, testers, and anyone who needs to inspect and understand QR code data. Scan a QR code and instantly explore its encoded information in a clear, structured format. QReader is especially useful for analyzing EMV-based payment QR codes and validating QR payloads during development and testing. KEY FEATURES • Scan and decode QR codes quickly • Analyze standard QR code content • Parse EMV-formatted QR payloads • Inspect KHQR and Bakong-compatible QR structures • Analyze merchant and payment QR information • Display QR fields in a structured, readable format • Verify CRC values and payload integrity • Identify important EMV tags and values • Quickly copy and inspect raw QR payloads • Designed for developers, testers, and banking professionals QR ANALYSIS MADE SIMPLE Instead of manually reading long QR payload strings, QReader helps break the information into understandable fields, making debugging, testing, and QR integration easier. DEVELOPER-FOCUSED QReader can assist developers working with QR integrations by providing a convenient way to inspect QR payload structures and verify encoded information during development and testing. PRIVACY QReader is designed with privacy in mind. QR analysis is performed directly within the app and QReader does not initiate financial transactions. IMPORTANT QReader is an independent QR analysis utility. It is not a banking application, digital wallet, payment processor, or official application of any bank, payment network, or payment service provider. QReader does not initiate, authorize, or process financial transactions.
Screenshots
Verdict
The clearest difference is chart position: Codex Relay at #118 against QReader's unranked. Codex Relay also leads on iOS requirement (16.4 vs 26.5). 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Codex Relay | QReader |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (56 ratings) — better | — |
| Positive reviews | 63.2% of reviews | — |
| Number of ratings | 56 — better | — |
| Update frequency | Every 9 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #118 — better | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 26.5 |
| Further details — not scored | ||
| Size | 118 MB | 27 MB |
| Age rating | 17+ | 4+ |
| Developer | Kang Sungyu | Em Diya |
In-app purchases
Codex Relay
No in-app purchases
QReader
No in-app purchases









