# BigOit vs Grimo AI

The clearest difference is in-app purchases: BigOit at none against Grimo AI's 1. BigOit also leads on update cadence (every 2 days vs every 2 weeks). Grimo AI's advantage is iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Grimo AI sells 1 in-app purchase, starting at $4.99 per month. BigOit asks for nothing beyond the download.

BigOit ships an update every 2 days, Grimo AI every 2 weeks. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | BigOit | Grimo AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 66 MB | 44 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mohammed Alblooki](https://appshunter.io/developer/1829139561) | [Dawid Weiss](https://appshunter.io/developer/1731207993) |

## What reviewers say

### BigOit

[App page](https://appshunter.io/ios/app/bigoit/id6749181238)

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

**In-app purchases:** none


### Grimo AI

[App page](https://appshunter.io/ios/app/grimo-ai-chat-get-organized/id6802026888)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Miesięcznie | $4.99 | per month |


## Frequently asked questions

### Is BigOit free?

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

### Is Grimo AI free?

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

### Do BigOit or Grimo AI have ads?

Neither BigOit nor Grimo AI shows ads.

### Which is updated more often, BigOit or Grimo AI?

BigOit ships an update every 2 days, and Grimo AI every 2 weeks. Most recently, BigOit was updated on October 28, 2026 and Grimo AI on October 9, 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.*