# HAHA Lock vs B

The clearest difference is update cadence: B at every 4 days against HAHA Lock's every 5 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.

HAHA Lock ships an update every 5 months, B every 4 days. The most recent releases landed on September 14, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | HAHA Lock | B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 23 MB | 31 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [映宇 陈](https://appshunter.io/developer/1641488410) | [IN&OUT Co.,Ltd.](https://appshunter.io/developer/6783921917) |

## What reviewers say

### HAHA Lock

[App page](https://appshunter.io/ios/app/haha-lock/id6443961380)

**Features:** macOS Compatibility

**In-app purchases:** none


### B

[App page](https://appshunter.io/ios/app/b-sync/id6783921705)

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

**In-app purchases:** none


## Frequently asked questions

### Is HAHA Lock free?

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

### Is B free?

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

### Do HAHA Lock or B have ads?

Neither HAHA Lock nor B shows ads.

### Which is updated more often, HAHA Lock or B?

HAHA Lock ships an update every 5 months, and B every 4 days. Most recently, HAHA Lock was updated on September 14, 2026 and B on September 15, 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.*