# bmp vs ChatGro

The clearest difference is in-app purchases: bmp at none against ChatGro's 4. bmp also leads on ads (none vs shown). ChatGro's advantage is update cadence (monthly vs every 3 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. ChatGro sells 4 in-app purchases, starting at $2.99 per 7 days. bmp asks for nothing beyond the download.

bmp ships an update every 3 months, ChatGro monthly. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | bmp | ChatGro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/chatgro-ai-assistant/id1670644664/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 68 MB | 20 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [WIADOK GmbH & Co. KG](https://appshunter.io/developer/1451176200) | [ErxiangHeyi Information](https://appshunter.io/developer/1735695526) |

## What reviewers say

### bmp

[App page](https://appshunter.io/ios/app/bmp/id1478780198)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChatGro

[App page](https://appshunter.io/ios/app/chatgro-ai-assistant/id1670644664)

Engage in intelligent conversations and get assistance with a wide range of tasks. This AI assistant supports multiple advanced models, voice input, and streaming outputs for a seamless experience. Explore role-playing with over 60 characters and get help with writing, planning, and more.

**Highlights:** Advanced AI models (4o, 4.0, etc.), Voice input and streaming outputs, Context association and segmentation, Role-playing with 60+ characters, Assistance with writing and planning, Language translation and programming guidance

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly membership | $2.99 | per 7 days |
| Monthly membership | $9.99 | per month |
| Annual membership | $59.99 | per year |
| Annual membership | $69.99 | per year |


## Frequently asked questions

### Is bmp free?

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

### Is ChatGro free?

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

### Do bmp or ChatGro have ads?

ChatGro shows ads; bmp does not.

### Which is updated more often, bmp or ChatGro?

bmp ships an update every 3 months, and ChatGro monthly. Most recently, bmp was updated on September 30, 2026 and ChatGro on October 10, 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.*