# Theo8080 vs Cactus Chat

The clearest difference is rating: Theo8080 at 5.0 against Cactus Chat's 4.5. Theo8080 also leads on update cadence (every 2 days vs monthly). Cactus Chat's advantage is in-app purchases (none vs 2) and ratings volume (6 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Theo8080 sells 2 in-app purchases, starting at $2.99 per 7 days. Cactus Chat asks for nothing beyond the download.

Theo8080 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Cactus Chat has 6 ratings behind it against 1, so its average is the more settled of the two.

Theo8080 ships an update every 2 days, Cactus Chat monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Theo8080 | Cactus Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/theo8080-on-device-ai/id6496861458/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/cactus-chat/id6744444212/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Free |
| Size | 22 MB | 43 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [phi & co.](https://appshunter.io/developer/858921731) | [Roman Shemet](https://appshunter.io/developer/1782773354) |

## What reviewers say

### Theo8080

[App page](https://appshunter.io/ios/app/theo8080-on-device-ai/id6496861458)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $2.99 | per 7 days |
| Monthly Access | $4.99 | per month |


### 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


## Frequently asked questions

### Is Theo8080 free?

Theo8080 is free to download, with in-app purchases available.

### Is Cactus Chat free?

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

### Which has better reviews, Theo8080 or Cactus Chat?

Theo8080 is rated higher. Theo8080 averages 5.0 out of 5 from 1 ratings, while Cactus Chat averages 4.5 from 6 ratings.

### Do Theo8080 or Cactus Chat have ads?

Neither Theo8080 nor Cactus Chat shows ads.

### Which is updated more often, Theo8080 or Cactus Chat?

Theo8080 ships an update every 2 days, and Cactus Chat monthly. Most recently, Theo8080 was updated on October 24, 2026 and Cactus Chat on October 25, 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.*