Pi Relay vs Collie Remote
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Pi Relay
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Pi Relay is a companion iPhone app for the Pi coding agent. It lets you connect securely to your own Pi remote-control server, browse active projects and sessions, and continue conversations from your phone. Pairing is simple: install the Pi remote-control extension on the machine running Pi, open the pairing QR code, and scan it with Pi Relay. Once paired, you can switch between remotes, view project sessions, read conversation history, send new prompts, abort running work, and request context compaction with /compact. Pi Relay is designed for users who already run Pi on their own computer or development environment and want a lightweight mobile companion for monitoring and continuing work away from the desktop. Key features: - QR-code pairing with your Pi remote-control server - Remote list with quick switching and unpairing - Project and session browsing - Conversation view with selectable and copyable messages - Runtime status and context usage display - Prompt sending, abort support, and /compact support - Live session updates while the app is active Pi Relay requires a running Pi remote-control extension/server. The extension is available at: https://github.com/zerray/pi-remote-control
Collie Remote
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Collie Remote is the companion app for Collie, the coding agent that runs on your own computer. Collie writes a reproduction, runs it, and only calls a job done when an assertion it executed has passed. This app lets you watch that happen, and start it, from wherever you are. โข See what your machine is working on โ the reproduction, the edits, the verdict. โข Start a run from your phone; the work happens on your computer. โข Redirect a run that is going the wrong way instead of waiting for it to finish. โข Tell the computer what to do in plain words โ open an app, lock the screen, play something. โข Read the code it changed, so you can judge the change rather than take it on trust. โข Send a photo of the thing that is broken. HOW IT CONNECTS There is no Collie account and no Collie cloud. The app talks to Collie running on your own machine โ either directly over your network, or through an end-to-end encrypted relay when you are away from it. Pairing is one scan plus a number you confirm on the computer itself, so nothing gets in without someone at the keyboard agreeing. You need Collie on your Mac or PC first: https://collie.run Open source: https://github.com/colliehq/collie
Screenshots
Verdict
Pi Relay and Collie Remote are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Pi Relay | Collie Remote |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Zerui Zhou | Daming Wu |
In-app purchases
Pi Relay
No in-app purchases
Collie Remote
No in-app purchases









