# ExpertGrain vs nilGPT

The clearest difference is update cadence: ExpertGrain at every 3 weeks 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.

ExpertGrain ships an update every 3 weeks, nilGPT every 4 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ExpertGrain | nilGPT |
| --- | --- | --- |
| 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 3 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 59 MB | 40 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ExpertGrain Unipessoal Lda](https://appshunter.io/developer/1796846129) | [Nillion](https://appshunter.io/developer/1846417389) |

## What reviewers say

### ExpertGrain

[App page](https://appshunter.io/ios/app/expertgrain/id6742109192)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ExpertGrain free?

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

### Is nilGPT free?

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

### Do ExpertGrain or nilGPT have ads?

Neither ExpertGrain nor nilGPT shows ads.

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

ExpertGrain ships an update every 3 weeks, and nilGPT every 4 months. Most recently, ExpertGrain was updated on October 30, 2026 and nilGPT on November 5, 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.*