# DeltaClock vs Zonal

The clearest difference is in-app purchases: Zonal at none against DeltaClock's 3. Zonal also leads on iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. DeltaClock sells 3 in-app purchases, starting at $1.99 per month. Zonal asks for nothing beyond the download.

## The numbers

| Metric | DeltaClock | Zonal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 24 MB | 28 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ameliia Shekikhacheva](https://appshunter.io/developer/1833150935) | [Evert De Spiegeleer](https://appshunter.io/developer/1868171104) |

## What reviewers say

### DeltaClock

[App page](https://appshunter.io/ios/app/deltaclock-time-zone-planner/id6751021160)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription Monthly | $1.99 | per month |
| Pro Subscription Annual | $9.99 | per year |
| Lifetime purchase | $24.99 | one-time |


### Zonal

[App page](https://appshunter.io/ios/app/zonal-time-zone-buddy/id6782013177)

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

**In-app purchases:** none


## Frequently asked questions

### Is DeltaClock free?

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

### Is Zonal free?

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

### Do DeltaClock or Zonal have ads?

Neither DeltaClock nor Zonal shows ads.

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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.*