Comparison

Cactus Chat vs System26

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Offline AI conversations
  • Private data storage
  • Developer LLM benchmarking
  • Runs directly on device
  • Free to use
Features
Read full description

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.

About

System26

Read full description

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

Cactus Chat4 screens
System263 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Cactus Chat versus System26: the parameters behind the verdict, then further details
ParameterCactus ChatSystem26
PriceFreeFree
Rating4.8 (4 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings4 — better—
Update frequencyMonthly—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Vision Pro — better
Requires iOS15.1 — better26.0
Further details — not scored
Size43 MB3 MB
Age rating4+4+
DeveloperRoman ShemetBKO Group Inc.

In-app purchases

None

Cactus Chat

No in-app purchases

None

System26

No in-app purchases

Questions

Is Cactus Chat free?
Cactus Chat is free to download, with no in-app purchases.
Is System26 free?
System26 is free to download, with no in-app purchases.
Do Cactus Chat or System26 have ads?
Neither Cactus Chat nor System26 shows ads.

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