Comparison

Codex Relay vs DevKit

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

Head to head
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/

About

DevKit

Read full description

DevKit is the developer toolbox you already keep open in a browser tab, rebuilt as a native app for iPhone, iPad and Mac — and it works with the radio off. Paste something and DevKit works out what it is. A JSON Web Token, a certificate, a cron line, a CIDR block, a colour, a hex digest: it recognises the shape and offers the right tool. WHAT YOU GET FREE • JSON Format — pretty-print, minify and validate, keeping your key order and number literals • JWT Decode — header, claims and expiry, with optional HMAC verification • Base64 — standard and URL-safe, padded or not • URL Encode — query, form and path semantics • Regex Tester — matches, capture groups, named groups, replace and split • Hash — MD5, SHA-1, SHA-256, SHA-384, SHA-512 • UUID Generate — version 4 and time-ordered version 7, in bulk • Unix Time — epoch seconds, milliseconds, microseconds and nanoseconds, any time zone • Colour Convert — HEX, RGB, HSL, HSB, CMYK, with WCAG contrast ratios • String Case — camel, snake, kebab, Pascal and eight more, all at once • Number Base — binary, octal, decimal, hex and any base from 2 to 36, with a bit view • Text Diff — line-by-line comparison with counts WHAT PRO ADDS All 42 tools, including YAML ↔ JSON, XML ↔ JSON, CSV ↔ JSON, HTML entities, string escaping for six languages, ULID and NanoID, HMAC, PBKDF2 calibration, a cron parser that tells you the next ten runs, JSONPath with jq-style pipes, a SQL formatter, native Markdown preview, an offline HTML preview, X.509 certificate decoding, RSA and EC key inspection, QR generation and scanning, lorem ipsum, text statistics, slugify, chmod, IP and CIDR maths, MIME lookup, HTTP status reference, Unicode inspection, seeded sample data, time-zone conversion, semver comparison, URL parsing, a query-string builder and a searchable git command reference. Pro also unlocks unlimited history, iCloud sync of your favourites and history, Home Screen widgets, and the share extension. BUILT FOR HOW YOU WORK • Every tool is a Shortcuts action, so you can compose them into automations • Send selected text straight to DevKit from any app, or from the Services menu on a Mac • Search and keyboard shortcuts on iPad and Mac, and a menu bar popover on macOS • Favourites, history and drafts that pick up where you left off PRIVACY, PLAINLY DevKit makes no network requests. It has no account, no analytics and no third-party SDKs. Everything you paste is processed on your device. History is stored locally, you can turn off saving previews, and you can erase everything from Settings. One purchase covers your iPhone, iPad and Mac. TERMS AND PRIVACY Terms of Use: https://devkit.eonix.lk/terms Apple's standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://devkit.eonix.lk/privacy

Screenshots

Codex Relay4 screens
DevKit4 screens

Verdict

The call

The clearest difference is in-app purchases: Codex Relay at none against DevKit's 3. Codex Relay also leads on chart position (#34 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. DevKit sells 3 in-app purchases, starting at $1.99 per month. Codex Relay asks for nothing beyond the download.

Scorecard2 real differences · 9 level
Codex Relay versus DevKit: the parameters behind the verdict, then further details
ParameterCodex RelayDevKit
PriceFreeFree
Rating4.2 (57 ratings) — better—
Positive reviews63.2% of reviews—
Number of ratings57 — better—
Update frequencyEvery 9 days—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
Best chart rank#34 — better—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS16.4 — better17.0
Further details — not scored
Size118 MB7 MB
Age rating17+4+
DeveloperKang SungyuEonix (Pvt) Ltd

In-app purchases

None

Codex Relay

No in-app purchases

3 purchases

DevKit

Subscriptions2
  • DevKit Pro — Monthly7 Days trial$1.991 Month
  • DevKit Pro — Yearly7 Days trial$12.991 Year
One-time1
  • DevKit Pro — Lifetime$24.99

Questions

Is Codex Relay free?
Codex Relay is free to download, with no in-app purchases.
Is DevKit free?
DevKit is free to download, with in-app purchases available.
Do Codex Relay or DevKit have ads?
Neither Codex Relay nor DevKit shows ads.

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