# Neutron AI vs Eris.

The clearest difference is review sentiment: Eris. at 80% against Neutron AI's 0%. Eris. also leads on rating (4.3 vs 3.7) and ads (none vs shown). On price, ratings volume, update cadence 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.

Eris. holds the better App Store score, 4.3 against 3.7. Both are backed by a comparable volume of ratings — 6 and 6 respectively. Written reviews point the same way: 0% of Neutron AI's written reviews are positive against 80% of Eris.'s.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on July 6, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | Neutron AI | Eris. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/neutron-ai/id6452385663/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/eris/id6747496749/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 34 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Haynes Technology Group LLC](https://appshunter.io/developer/1698865651) | [Ignacio Palacio](https://appshunter.io/developer/1773333920) |

## What reviewers say

### Neutron AI

[App page](https://appshunter.io/ios/app/neutron-ai/id6452385663)

Engage in conversations with custom AI personalities, generate images, analyze your surroundings with AI vision, and create AI-generated speech. Some features are free with no ads, while others have minimal ads.

**Highlights:** Custom AI personalities, AI image generation, AI vision for object identification and translation, AI speech synthesis, Ad-free AI texting, Privacy-focused with no sign-up

**In-app purchases:** none


### 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 Neutron AI free?

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

### Is Eris. free?

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

### Which has better reviews, Neutron AI or Eris.?

Eris. is rated higher. Neutron AI averages 3.7 out of 5 from 6 ratings, while Eris. averages 4.3 from 6 ratings.

### Do Neutron AI or Eris. have ads?

Neutron AI shows ads; Eris. does not.

### Which is updated more often, Neutron AI or Eris.?

Neutron AI ships an update every 2 weeks, and Eris. every 2 weeks. Most recently, Neutron AI was updated on July 6, 2026 and Eris. on July 4, 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.*