# eSRB vs ZoneSync

The clearest difference is iOS requirement: eSRB at 15.5 against ZoneSync's 17.0. 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.

## The numbers

| Metric | eSRB | ZoneSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | — |
| Size | 44 MB | 1 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sindh Revenue Board](https://appshunter.io/developer/1647520195) | [Vahid HAGHIGHAT](https://appshunter.io/developer/1806270555) |

## What reviewers say

### eSRB

[App page](https://appshunter.io/ios/app/esrb/id6443595010)

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

**In-app purchases:** none


### ZoneSync

[App page](https://appshunter.io/ios/app/zonesync/id6744264291)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eSRB free?

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

### Is ZoneSync free?

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

### Do eSRB or ZoneSync have ads?

Neither eSRB nor ZoneSync 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.*