# Cactus Chat vs DevStack Tools

The clearest difference is iOS requirement: DevStack Tools at 13.0 against Cactus Chat's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Cactus Chat ships an update monthly, DevStack Tools every 6 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Cactus Chat | DevStack Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/cactus-chat/id6744444212/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 43 MB | 29 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Shemet](https://appshunter.io/developer/1782773354) | [Man Sao Ng](https://appshunter.io/developer/1590351701) |

## What reviewers say

### Cactus Chat

[App page](https://appshunter.io/ios/app/cactus-chat/id6744444212)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### DevStack Tools

[App page](https://appshunter.io/ios/app/devstack-tools/id6773667344)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Cactus Chat free?

Cactus Chat is free to download, with no in-app purchases.

### Is DevStack Tools free?

DevStack Tools is free to download, with no in-app purchases.

### Do Cactus Chat or DevStack Tools have ads?

Neither Cactus Chat nor DevStack Tools shows ads.

### Which is updated more often, Cactus Chat or DevStack Tools?

Cactus Chat ships an update monthly, and DevStack Tools every 6 weeks. Most recently, Cactus Chat was updated on September 19, 2026 and DevStack Tools on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*