# Time Zone Difference Planner vs ZoneTime

The clearest difference is in-app purchases: Time Zone Difference Planner at none against ZoneTime's 3. ZoneTime's advantage is update cadence (every 3 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZoneTime sells 3 one-off in-app purchases. Time Zone Difference Planner asks for nothing beyond the download.

Time Zone Difference Planner ships an update every 4 months, ZoneTime every 3 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Time Zone Difference Planner | ZoneTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Size | 5 MB | 51 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Meng-Yi Hsu](https://appshunter.io/developer/6783592735) |

## 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


### ZoneTime

[App page](https://appshunter.io/ios/app/zonetime-world-clock/id6797138733)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All-Apps Unlock | $5.99 | one-time |
| Unlock ZoneTime | $7.99 | one-time |
| Unlock ZoneTime Final | $9.99 | one-time |


## Frequently asked questions

### Is Time Zone Difference Planner free?

Time Zone Difference Planner is free to download, with no in-app purchases.

### Is ZoneTime free?

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

### Do Time Zone Difference Planner or ZoneTime have ads?

Neither Time Zone Difference Planner nor ZoneTime shows ads.

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

Time Zone Difference Planner ships an update every 4 months, and ZoneTime every 3 days. Most recently, Time Zone Difference Planner was updated on October 22, 2026 and ZoneTime on October 24, 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.*