MobileCoderApp vs TethrX
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
MobileCoderApp
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Code with Claude from anywhere. Your Mac's Claude Code session, mirrored to your iPhone read the output, type back, talk hands-free. Your code never leaves your machines Your code stays on your machines. MobileCoder is the wrapper, not the AI. Your prompts and Claude's responses move between your iPhone and your Mac, encrypted, through a forwarding relay that can't see the contents. We don't store your messages. We don't analyze your code. MobileCoder requires an auto-renewing subscription to use. MobileCoder Pro โ 7-day free trial, then: โข Monthly: $9.99/month โข Yearly: $44.99/year Your subscription auto-renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple ID settings. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.mobilecoder.app/privacy.html That single block satisfies both: it labels the app as subscription-required with prices (2.3.2) and puts a functional EULA link in the Description (3.1.2c). Also verify (App Store Connect โ App Information): - Privacy Policy URL field = https://www.mobilecoder.app/privacy.html
TethrX
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TethrX is a native, private, independent remote for Grok Build, SpaceXAI's terminal coding agent. Your phone is only a control plane, Grok, its tools, and your code stay on your own machine. TethrX connects to a small open-source bridge you run on your computer. โข Watch Grok work in real time โ thoughts, commands, file edits, and their output. โข Approve or reject every tool call โ from the app, or straight from a push notification on your lock screen. โข Plan mode โ Grok drafts a plan; you review and approve it before it builds. โข Review what changed โ per-file diffs, commit or discard from your phone. โข Queue follow-ups, branch sessions, schedule recurring tasks, dictate messages. โข No accounts, no tracking, no third-party servers. Your phone talks only to your bridge, direct, over Tailscale, with certificate-pinned HTTPS. Requires your own Grok Build install (SuperGrok / SuperGrok Heavy / X Premium+) and the TethrX bridge running on your computer (npx tethrx-bridge). Setup takes a couple of minutes. TethrX is an independent client and is not affiliated with, endorsed by, or sponsored by SpaceXAI. "Grok" and "Grok Build" are trademarks of their respective owner.
Screenshots
Verdict
The clearest difference is in-app purchases: TethrX at none against MobileCoderApp's 2. MobileCoderApp's advantage is chart position (#199 vs unranked). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. MobileCoderApp sells 2 in-app purchases, starting at $9.99 per month. TethrX asks for nothing beyond the download.
| Parameter | MobileCoderApp | TethrX |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | โ |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Best chart rank | #199 โ better | โ |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 78 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Nxtranet | Nathan Ducatillon |
In-app purchases
MobileCoderApp
- MobileCoder Pro - Monthly7 Days trial$9.991 Month
- MobileCoder Pro (Yearly)7 Days trial$44.991 Year
TethrX
No in-app purchases





