# Time Zone Difference Planner vs Hourline

The clearest difference is in-app purchases: Time Zone Difference Planner at none against Hourline's 1. Hourline's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Hourline sells 1 one-off in-app purchase. Time Zone Difference Planner asks for nothing beyond the download.

Time Zone Difference Planner ships an update every 4 months, Hourline every 2 weeks. The most recent releases landed on October 22, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Time Zone Difference Planner | Hourline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 5 MB | 46 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) | [Jin Woo Park](https://appshunter.io/developer/6792679666) |

## 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


### Hourline

[App page](https://appshunter.io/ios/app/hourline-timezone-widget/id6792679664)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Customizations | $4.99 | 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 Hourline free?

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

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

Neither Time Zone Difference Planner nor Hourline shows ads.

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

Time Zone Difference Planner ships an update every 4 months, and Hourline every 2 weeks. Most recently, Time Zone Difference Planner was updated on October 22, 2026 and Hourline on October 25, 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.*