# Eris. vs RAGChat

The clearest difference is update cadence: RAGChat at every 3 days against Eris.'s every 2 weeks. Eris.'s advantage is iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Eris. ships an update every 2 weeks, RAGChat every 3 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Eris. | RAGChat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (10 ratings)](https://appshunter.io/ios/app/eris/id6747496749/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 34 MB | 7 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ignacio Palacio](https://appshunter.io/developer/1773333920) | [JEDSADHA ROJANAPHAN](https://appshunter.io/developer/679911265) |

## What reviewers say

### Eris.

[App page](https://appshunter.io/ios/app/eris/id6747496749)

Experience private AI conversations entirely on your device. This app offers offline access to multiple AI models, ensuring your data never leaves your iPhone or iPad. Enjoy fast, secure AI assistance without internet connectivity or subscriptions.

**Highlights:** 100% Private conversations, No internet required, Multiple AI models supported, Optimized for Apple Silicon, One-time download, use forever, Dark Mode support, Haptic feedback

**Features:** macOS Compatibility

**In-app purchases:** none


### RAGChat

[App page](https://appshunter.io/ios/app/ragchat-offline-ai-chatbot/id6806576444)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Eris. free?

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

### Is RAGChat free?

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

### Do Eris. or RAGChat have ads?

Neither Eris. nor RAGChat shows ads.

### Which is updated more often, Eris. or RAGChat?

Eris. ships an update every 2 weeks, and RAGChat every 3 days. Most recently, Eris. was updated on October 24, 2026 and RAGChat on October 29, 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.*