# B vs VTS.QLCB

The clearest difference is device support: B at 3 against VTS.QLCB's —. VTS.QLCB's advantage is iOS requirement (12.0 vs 16.0). On price 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 | VTS.QLCB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Size | 37 MB | 121 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 17+ |
| Developer | [BTEC TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1531730070) | [VIETTEL BUSINESS SOLUTIONS CORPORATION – BRANCH OF VIETTEL GROUP](https://appshunter.io/developer/953409998) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-signflow/id1531730068)

**In-app purchases:** none


### VTS.QLCB

[App page](https://appshunter.io/ios/app/vtsqlcb/id6449662465)

**In-app purchases:** none


## Frequently asked questions

### Is B free?

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

### Is VTS.QLCB free?

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

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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.*