# Decima vs Custom Digital Clock

The clearest difference is in-app purchases: Custom Digital Clock at none against Decima's 1. Custom Digital Clock also leads on iOS requirement (15.1 vs 17.0). Decima's advantage is ads (none vs shown) and update cadence (every 2 months vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Decima sells 1 one-off in-app purchase. Custom Digital Clock asks for nothing beyond the download.

Decima ships an update every 2 months, Custom Digital Clock every 9 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Decima | Custom Digital Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/custom-digital-clock/id6476612907/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | — | Ad-supported |
| Size | 12 MB | 29 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krzysztof Pawlowski](https://appshunter.io/developer/1216003515) | [tadashi endo](https://appshunter.io/developer/1605441215) |

## What reviewers say

### Decima

[App page](https://appshunter.io/ios/app/decima/id1498371556)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Manipulator | $0.99 | one-time |


### Custom Digital Clock

[App page](https://appshunter.io/ios/app/custom-digital-clock/id6476612907)

Display a stylish digital clock on your smartphone. Personalize the clock's appearance with custom coloring options to match your style.

**Highlights:** Stylish digital clock display, Customizable coloring, Smartphone integration, Personalized appearance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decima free?

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

### Is Custom Digital Clock free?

Custom Digital Clock is free to download, with no in-app purchases.

### Do Decima or Custom Digital Clock have ads?

Custom Digital Clock shows ads; Decima does not.

### Which is updated more often, Decima or Custom Digital Clock?

Decima ships an update every 2 months, and Custom Digital Clock every 9 months. Most recently, Decima was updated on October 11, 2026 and Custom Digital Clock on October 2, 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.*