# MindKeep vs Eris.

The clearest difference is rating: MindKeep at 5.0 against Eris.'s 4.3. MindKeep also leads on review sentiment (100% vs 80%). Eris.'s advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, ratings volume, update cadence and device support there is nothing between them.

Both are free to download. MindKeep sells 3 in-app purchases, starting at $6.99 per 7 days. Eris. asks for nothing beyond the download.

MindKeep holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews point the same way: 100% of MindKeep's written reviews are positive against 80% of Eris.'s.

MindKeep ships an update every 10 days, Eris. every 2 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | MindKeep | Eris. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/mindkeep-private-ai/id6740519055/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/eris/id6747496749/reviews) |
| Number of ratings | **11** | 6 |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 58 MB | 34 MB |
| Requires iOS | **16.1** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Wabi Sabi Solutions LLC](https://appshunter.io/developer/1790380390) | [Ignacio Palacio](https://appshunter.io/developer/1773333920) |

## What reviewers say

### MindKeep

[App page](https://appshunter.io/ios/app/mindkeep-private-ai/id6740519055)

This app provides an offline, on-device AI chat experience with secure file analysis and text-to-image generation. It offers privacy-first features and can connect to desktop applications or optional cloud models for advanced tasks.

**Highlights:** Offline on-device AI chat, Secure file and PDF analysis, Edge text-to-image generation, Connects to desktop LLM platforms, Optional Pro cloud models, Privacy-first encrypted chat

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MindKeep Weekly | $6.99 | per 7 days |
| MindKeep Weekly Free Trial | $6.99 | per 7 days |
| Yearly Subscription | $39.99 | per year |


### 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


## Frequently asked questions

### Is MindKeep free?

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

### Is Eris. free?

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

### Which has better reviews, MindKeep or Eris.?

MindKeep is rated higher. MindKeep averages 5.0 out of 5 from 11 ratings, while Eris. averages 4.3 from 6 ratings.

### Do MindKeep or Eris. have ads?

MindKeep shows ads; Eris. does not.

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

MindKeep ships an update every 10 days, and Eris. every 2 weeks. Most recently, MindKeep was updated on September 29, 2026 and Eris. on October 2, 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.*