Cactus Chat vs Atrium ACP Client
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cactus Chat
Engage in private conversations with an AI directly on your device. This application runs offline, ensuring your data remains secure and local. Developers can also utilize it to test and compare the performance of different large language models.
- Offline AI conversations
- Private data storage
- Developer LLM benchmarking
- Runs directly on device
- Free to use
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Offline, private AI. Cactus Chat lets you talk to AI, directly on your phone. This means it's free, runs offline, and your data stays on your device. If you're a developer, use Cactus to benchmark the latency and throughput of various LLMs.
Atrium ACP Client
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Atrium ACP Client is the pocket companion to the Atrium desktop app. Pair over Wi-Fi to view your active coding sessions, peek at workspaces, and follow along while your computer does the heavy lifting. • Discover your computer automatically over local Wi-Fi (Bonjour). • Pair securely with a 6-digit code shown in the desktop app. • Browse workspaces, open sessions, and read live agent transcripts. • Try the built-in demo to explore the interface with sample data — no desktop app required. The Atrium desktop app is required for normal use. Tap "Download" inside the app to grab the latest signed build, or open the demo to see how it works first. No accounts. No analytics. No tracking. Everything stays between your devices on your own network.
Screenshots
Verdict
The clearest difference is iOS requirement: Cactus Chat at 15.1 against Atrium ACP Client's 26.2. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Cactus Chat | Atrium ACP Client |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 26.2 |
| Further details — not scored | ||
| Size | 43 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Roman Shemet | Zabir Raihan |
In-app purchases
Cactus Chat
No in-app purchases
Atrium ACP Client
No in-app purchases
