amux vs Crystl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
amux
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amux is an agent multiplexer that allows controlling your agents from anywhere. You can start a Claude Code agent on your laptop, go to the coffee shop and check in on the progress and approve permissions.
Crystl
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crystl for iPhone is the companion to crystl for Mac, the desktop app that runs your AI coding agents (Claude Code, Codex, Gemini). Pair over your local network to watch shards live, read transcripts, approve tool requests, answer agent questions, and steer sessions from anywhere in the house. Requires crystl running on your Mac.
Screenshots
Verdict
amux and Crystl are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
amux ships an update every 2 days, Crystl every 3 days. Both last shipped on October 13, 2026.
| Parameter | amux | Crystl |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 3 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.1 |
| Further details — not scored | ||
| Size | 53 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Jordan Webster | Christopher Bolton |
In-app purchases
amux
No in-app purchases
Crystl
No in-app purchases
