# ChronoScope vs Eris.

The clearest difference is update cadence: Eris. at every 2 weeks against ChronoScope's every 2 months. ChronoScope's advantage is iOS requirement (13.0 vs 17.6). 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.

ChronoScope ships an update every 2 months, Eris. every 2 weeks. The most recent releases landed on September 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ChronoScope | Eris. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (6 ratings)](https://appshunter.io/ios/app/eris/id6747496749/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 26 MB | 34 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PANFISH SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1709057798) | [Ignacio Palacio](https://appshunter.io/developer/1773333920) |

## What reviewers say

### ChronoScope

[App page](https://appshunter.io/ios/app/chronoscope/id6467707603)

**Features:** macOS Compatibility

**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 ChronoScope free?

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

### Is Eris. free?

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

### Do ChronoScope or Eris. have ads?

Neither ChronoScope nor Eris. shows ads.

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

ChronoScope ships an update every 2 months, and Eris. every 2 weeks. Most recently, ChronoScope was updated on September 20, 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.*