# B vs Fiber Closure Manager

The clearest difference is device support: B at 3 against Fiber Closure Manager's 1. B also leads on iOS requirement (8.0 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | B | Fiber Closure Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Daily |
| Size | 1 MB | 3 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [增宝 王](https://appshunter.io/developer/827650044) | [Ebrahim Rostami Monjezi](https://appshunter.io/developer/1847165802) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-tree-binary-tree/id1064830420)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fiber Closure Manager

[App page](https://appshunter.io/ios/app/fiber-closure-manager/id6754529300)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is B free?

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

### Is Fiber Closure Manager free?

Fiber Closure Manager is free to download, with no in-app purchases.

### Do B or Fiber Closure Manager have ads?

Neither B nor Fiber Closure Manager shows ads.

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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.*