Comparison

Codex Relay vs KoKo

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

KoKo

Read full description

KoKo is a mobile SSH terminal for developers who need to manage AI coding agents on their own Linux servers from iPhone. Supported agents (on your server) • Cursor — agent persist attach / resume • Claude Code — GNU screen sessions • Codex CLI — GNU screen sessions • Gemini CLI — GNU screen sessions Features • Real SSH PTY terminal (colors, cursor, menus, y/n prompts) • Persistent remote sessions (Cursor agent persist; Claude/Codex/Gemini via named GNU screen) • Optional one-tap agent CLI install on the server (with consent) • Generate Ed25519 / ECDSA / RSA keys in-app; private keys stay in Keychain • Host key TOFU confirmation • Shortcut bar: Esc, Tab, Ctrl+J, arrows, Shift+Tab • Local scrollback per session • Agent login assistance (browser OAuth / device codes where applicable) Requirements: your own SSH-accessible Linux server. Agent CLIs run on the server. KoKo does not host user accounts or provide a cloud relay.

Screenshots

Codex Relay4 screens
KoKo4 screens

Verdict

The call

The clearest difference is chart position: Codex Relay at #104 against KoKo's unranked. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 10 level
Codex Relay versus KoKo: the parameters behind the verdict, then further details
ParameterCodex RelayKoKo
PriceFreeFree
Rating4.2 (56 ratings) — better—
Positive reviews63.2% of reviews—
Number of ratings56 — better—
Update frequencyEvery 9 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank#104 — better—
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better17.0
Further details — not scored
Size118 MB11 MB
Age rating17+9+
DeveloperKang Sungyu维 刘

In-app purchases

None

Codex Relay

No in-app purchases

None

KoKo

No in-app purchases

Questions

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

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