# nilGPT vs Optarion

The clearest difference is update cadence: Optarion at every 9 days against nilGPT's every 4 months. 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.

nilGPT ships an update every 4 months, Optarion every 9 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | nilGPT | Optarion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/nilgpt-private-ai/id6754044312/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 40 MB | 80 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Nillion](https://appshunter.io/developer/1846417389) | [Abdulkarim habib](https://appshunter.io/developer/1884511712) |

## What reviewers say

### nilGPT

[App page](https://appshunter.io/ios/app/nilgpt-private-ai/id6754044312)

This AI chat companion prioritizes your privacy with end-to-end encryption and secure hardware enclaves. It offers various modes like wellness and personal assistance, providing a confidential space for your thoughts and concerns.

**Highlights:** Private and secure AI chat, Encrypted chat data, AI runs in secure hardware enclaves, Multiple AI modes (wellness, personal assistant), Confidential conversations, Mobile-based chat experience

**Features:** macOS Compatibility

**In-app purchases:** none


### Optarion

[App page](https://appshunter.io/ios/app/optarion/id6760447529)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is nilGPT free?

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

### Is Optarion free?

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

### Do nilGPT or Optarion have ads?

Neither nilGPT nor Optarion shows ads.

### Which is updated more often, nilGPT or Optarion?

nilGPT ships an update every 4 months, and Optarion every 9 days. Most recently, nilGPT was updated on November 5, 2026 and Optarion on October 31, 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.*