# doto clock vs ZoneFlip

The clearest difference is in-app purchases: doto clock at none against ZoneFlip's 1. doto clock also leads on device support (3 vs 1) and iOS requirement (13.5 vs 26.0). ZoneFlip's advantage is update cadence (every 3 weeks vs every 13 months). On price and ads there is nothing between them.

Both are free to download. ZoneFlip sells 1 one-off in-app purchase. doto clock asks for nothing beyond the download.

doto clock ships an update every 13 months, ZoneFlip every 3 weeks. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | doto clock | ZoneFlip |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Size | 5 MB | 0 MB |
| Requires iOS | **13.5** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [masayuki morishita](https://appshunter.io/developer/470221486) | [永 张](https://appshunter.io/developer/1806535769) |

## What reviewers say

### doto clock

[App page](https://appshunter.io/ios/app/doto-clock/id1552829897)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZoneFlip

[App page](https://appshunter.io/ios/app/zoneflip/id6785983114)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZoneFlip Pro | $4.99 | one-time |


## Frequently asked questions

### Is doto clock free?

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

### Is ZoneFlip free?

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

### Do doto clock or ZoneFlip have ads?

Neither doto clock nor ZoneFlip shows ads.

### Which is updated more often, doto clock or ZoneFlip?

doto clock ships an update every 13 months, and ZoneFlip every 3 weeks. Most recently, doto clock was updated on October 7, 2026 and ZoneFlip on September 30, 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.*