# ZoneSync Pro vs TimeZone Expert

The clearest difference is update cadence: TimeZone Expert at every 5 days against ZoneSync Pro's every 3 weeks. ZoneSync Pro's advantage is iOS requirement (15.1 vs 18.0). 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.

ZoneSync Pro ships an update every 3 weeks, TimeZone Expert every 5 days. The most recent releases landed on September 9, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | ZoneSync Pro | TimeZone Expert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Size | 45 MB | 14 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [INVOLUTION CONSULTING PTY LTD](https://appshunter.io/developer/1546377205) | [Po-Han Chen](https://appshunter.io/developer/6785743236) |

## What reviewers say

### ZoneSync Pro

[App page](https://appshunter.io/ios/app/zonesync-pro/id6747392976)

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

**In-app purchases:** none


### TimeZone Expert

[App page](https://appshunter.io/ios/app/timezone-expert/id6785743234)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is ZoneSync Pro free?

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

### Is TimeZone Expert free?

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

### Do ZoneSync Pro or TimeZone Expert have ads?

Neither ZoneSync Pro nor TimeZone Expert shows ads.

### Which is updated more often, ZoneSync Pro or TimeZone Expert?

ZoneSync Pro ships an update every 3 weeks, and TimeZone Expert every 5 days. Most recently, ZoneSync Pro was updated on September 9, 2026 and TimeZone Expert on July 21, 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.*