# B vs LISPO

The clearest difference is update cadence: LISPO at every 3 weeks against B's every 44 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.

B ships an update every 44 months, LISPO every 3 weeks. The most recent releases landed on September 18, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | B | LISPO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 3 weeks** |
| Size | 12 MB | 103 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [REVO CORPORATION](https://appshunter.io/developer/1606661107) | [株式会社storage](https://appshunter.io/developer/1564019094) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-zone/id1606660775)

**Features:** macOS Compatibility

**In-app purchases:** none


### LISPO

[App page](https://appshunter.io/ios/app/lispo/id6476593024)

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

**In-app purchases:** none


## Frequently asked questions

### Is B free?

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

### Is LISPO free?

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

### Do B or LISPO have ads?

Neither B nor LISPO shows ads.

### Which is updated more often, B or LISPO?

B ships an update every 44 months, and LISPO every 3 weeks. Most recently, B was updated on September 18, 2026 and LISPO on September 28, 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.*