# Dial Timer vs 20 Girls Clock

The clearest difference is in-app purchases: Dial Timer at none against 20 Girls Clock's 1. Dial Timer also leads on ads (none vs shown). 20 Girls Clock's advantage is iOS requirement (12.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. 20 Girls Clock sells 1 one-off in-app purchase. Dial Timer asks for nothing beyond the download.

Dial Timer ships an update every 3 weeks, 20 Girls Clock fortnightly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Dial Timer | 20 Girls Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 13 MB | 35 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John Millhouse](https://appshunter.io/developer/415183789) | [Mihoko Araki](https://appshunter.io/developer/1476136915) |

## What reviewers say

### Dial Timer

[App page](https://appshunter.io/ios/app/dial-timer/id1507822386)

**Features:** macOS Compatibility

**In-app purchases:** none


### 20 Girls Clock

[App page](https://appshunter.io/ios/app/20-girls-clock/id6454934847)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Girls Clock with no ads | $1.99 | one-time |


## Frequently asked questions

### Is Dial Timer free?

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

### Is 20 Girls Clock free?

20 Girls Clock is free to download, with in-app purchases available.

### Do Dial Timer or 20 Girls Clock have ads?

20 Girls Clock shows ads; Dial Timer does not.

### Which is updated more often, Dial Timer or 20 Girls Clock?

Dial Timer ships an update every 3 weeks, and 20 Girls Clock fortnightly. Most recently, Dial Timer was updated on November 3, 2026 and 20 Girls Clock on November 7, 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.*