# B vs ZYNC

The clearest difference is in-app purchases: B at none against ZYNC's 1. B also leads on ads (none vs shown) and iOS requirement (12.0 vs 18.6). On price and device support there is nothing between them.

Both are free to download. ZYNC sells 1 one-off in-app purchase. B asks for nothing beyond the download.

## The numbers

| Metric | B | ZYNC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | — |
| Size | 22 MB | 6 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Caribbean Business Solution, LLC](https://appshunter.io/developer/1860334744) | [Stefan Bartl-Tamesberger](https://appshunter.io/developer/1866231869) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-leaf-dispensary/id6756375757)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZYNC

[App page](https://appshunter.io/ios/app/zync-intervallfasten-tracker/id6758020495)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZYNC Premium | $8.99 | one-time |


## Frequently asked questions

### Is B free?

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

### Is ZYNC free?

ZYNC is free to download, with in-app purchases available.

### Do B or ZYNC have ads?

ZYNC shows ads; B does not.

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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.*