Cactus Chat vs System26
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.
System26
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System26 is a lightweight way to see device-native AI performance on your hardware. Designed for developers and enthusiasts, it surfaces on-device AI metrics across macOS, iOS, iPadOS, and visionOS. Features: • Large Language Models: Track Tokens Per Second (TPS), Latency, and Memory usage for the native System Language Model. • Image Generation: See on-device image synthesis speed using ImagePlayground with support for animation, illustration, and sketch styles. • Computer Vision: View live camera inference performance for Object Detection, Text Recognition, and Body Pose estimation. • Thermal Monitoring: Keep an eye on your device's thermal state during intensive inference tasks. • 100% Private & Offline: System26 operates without an internet connection. No data is collected, stored, or transmitted—ever. Unlock the full potential of your hardware and see how foundation models run on your machine.
Screenshots
Verdict
The clearest difference is iOS requirement: Cactus Chat at 15.1 against System26's 26.0. 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 | System26 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 43 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Roman Shemet | BKO Group Inc. |
In-app purchases
Cactus Chat
No in-app purchases
System26
No in-app purchases









