# Time Zone Difference Planner vs TimeZone Expert

The clearest difference is update cadence: TimeZone Expert at every 5 days against Time Zone Difference Planner's every 4 months. TimeZone Expert also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Time Zone Difference Planner ships an update every 4 months, TimeZone Expert every 5 days. The most recent releases landed on October 22, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Time Zone Difference Planner | TimeZone Expert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Size | 5 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Po-Han Chen](https://appshunter.io/developer/6785743236) |

## What reviewers say

### Time Zone Difference Planner

[App page](https://appshunter.io/ios/app/time-zone-difference-planner/id6772262657)

**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 Time Zone Difference Planner free?

Time Zone Difference Planner 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 Time Zone Difference Planner or TimeZone Expert have ads?

Neither Time Zone Difference Planner nor TimeZone Expert shows ads.

### Which is updated more often, Time Zone Difference Planner or TimeZone Expert?

Time Zone Difference Planner ships an update every 4 months, and TimeZone Expert every 5 days. Most recently, Time Zone Difference Planner was updated on October 22, 2026 and TimeZone Expert on October 15, 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.*