# OneConvert vs Tz24

The clearest difference is in-app purchases: Tz24 at none against OneConvert's 3. Tz24 also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. OneConvert sells 3 in-app purchases, starting at $4.99 per month. Tz24 asks for nothing beyond the download.

## The numbers

| Metric | OneConvert | Tz24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Size | 8 MB | 25 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qais Ali](https://appshunter.io/developer/577053562) | [Sergio Vazquez](https://appshunter.io/developer/1807606896) |

## What reviewers say

### OneConvert

[App page](https://appshunter.io/ios/app/oneconvert/id6744206434)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime Access | $69.99 | one-time |


### Tz24

[App page](https://appshunter.io/ios/app/tz24-world-clock/id6799211440)

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

**In-app purchases:** none


## Frequently asked questions

### Is OneConvert free?

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

### Is Tz24 free?

Tz24 is free to download, with no in-app purchases.

### Do OneConvert or Tz24 have ads?

OneConvert shows ads; Tz24 does not.

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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.*