# ESB vs bbits AI²

The clearest difference is update cadence: bbits AI² at monthly against ESB's every 3 months. bbits AI² also leads on iOS requirement (12.2 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.

ESB ships an update every 3 months, bbits AI² monthly. The most recent releases landed on December 26, 2025 and September 8, 2026 respectively.

## The numbers

| Metric | ESB | bbits AI² |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 3 MB | 31 MB |
| Requires iOS | 17.6 | **12.2** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESB Agile Limited](https://appshunter.io/developer/1128318020) | [bbits](https://appshunter.io/developer/476537755) |

## What reviewers say

### ESB

[App page](https://appshunter.io/ios/app/esb/id1026868275)

**In-app purchases:** none


### bbits AI²

[App page](https://appshunter.io/ios/app/bbits-ai/id1378210536)

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

**In-app purchases:** none


## Frequently asked questions

### Is ESB free?

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

### Is bbits AI² free?

bbits AI² is free to download, with no in-app purchases.

### Do ESB or bbits AI² have ads?

Neither ESB nor bbits AI² shows ads.

### Which is updated more often, ESB or bbits AI²?

ESB ships an update every 3 months, and bbits AI² monthly. Most recently, ESB was updated on December 26, 2025 and bbits AI² on September 8, 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.*