# Ctzone vs TimeZone Expert

The clearest difference is update cadence: TimeZone Expert at every 5 days against Ctzone's every 4 weeks. 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.

Ctzone ships an update every 4 weeks, TimeZone Expert every 5 days. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Ctzone | TimeZone Expert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Size | 18 MB | 14 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ali An Nuur](https://appshunter.io/developer/1814014911) | [Po-Han Chen](https://appshunter.io/developer/6785743236) |

## What reviewers say

### Ctzone

[App page](https://appshunter.io/ios/app/ctzone/id6748931770)

**Features:** macOS Compatibility

**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 Ctzone free?

Ctzone 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 Ctzone or TimeZone Expert have ads?

Neither Ctzone nor TimeZone Expert shows ads.

### Which is updated more often, Ctzone or TimeZone Expert?

Ctzone ships an update every 4 weeks, and TimeZone Expert every 5 days. Most recently, Ctzone was updated on October 9, 2026 and TimeZone Expert on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*