# Mini Clock vs Duodecuple Calc

The clearest difference is in-app purchases: Duodecuple Calc at none against Mini Clock's 3. Duodecuple Calc also leads on update cadence (every 2 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mini Clock sells 3 one-off in-app purchases. Duodecuple Calc asks for nothing beyond the download.

Mini Clock ships an update every 2 months, Duodecuple Calc every 2 weeks. The most recent releases landed on October 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Mini Clock | Duodecuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mini-clock-focus-and-pomodoro/id1541096898/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 36 MB |
| Requires iOS | **15.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [细清 陈](https://appshunter.io/developer/1510085892) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Mini Clock

[App page](https://appshunter.io/ios/app/mini-clock-focus-and-pomodoro/id1541096898)

Transform your device into a stylish desk clock and productive focus space. Offers multiple clock styles, a Pomodoro timer, to-do list integration, ambient sounds, and customizable widgets. Designed for work, study, and enhanced desk setups.

**Highlights:** 10 unique clock styles, Customizable Pomodoro timer, iOS Reminders integration, Ambient soundscapes, Home screen widgets, Landscape and iPad support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 移除广告 | $0.99 | one-time |
| 解锁功能 | $1.99 | one-time |
| 移除广告并解锁功能 | $2.99 | one-time |


### Duodecuple Calc

[App page](https://appshunter.io/ios/app/duodecuple-calc/id6742208421)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mini Clock free?

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

### Is Duodecuple Calc free?

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

### Do Mini Clock or Duodecuple Calc have ads?

Both Mini Clock and Duodecuple Calc show ads.

### Which is updated more often, Mini Clock or Duodecuple Calc?

Mini Clock ships an update every 2 months, and Duodecuple Calc every 2 weeks. Most recently, Mini Clock was updated on October 1, 2026 and Duodecuple Calc on September 23, 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.*