# DekaClock vs Strange Clocks

The clearest difference is in-app purchases: DekaClock at none against Strange Clocks's 1. Strange Clocks's advantage is update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Strange Clocks sells 1 one-off in-app purchase. DekaClock asks for nothing beyond the download.

DekaClock ships an update every 2 months, Strange Clocks every 3 days. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DekaClock | Strange Clocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dekaclock/id6447799146/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 2 MB | 9 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carsten Traupe](https://appshunter.io/developer/1682760919) | [KIP Networks](https://appshunter.io/developer/1886007012) |

## What reviewers say

### DekaClock

[App page](https://appshunter.io/ios/app/dekaclock/id6447799146)

This app offers an alternative time display system based on base 10. It divides the day into 100,000 deka-5 periods, with 5 tiers of measurement for precise timekeeping. The display uses single-digit numbers separated by colons for a unique time format.

**Highlights:** Base-10 time system, 5 tiers of measurement, Unique time format (e.g., 5:0:0:0:0), Deka-5 periods shorter than a second, Alternative to traditional timekeeping

**Features:** macOS Compatibility

**In-app purchases:** none


### Strange Clocks

[App page](https://appshunter.io/ios/app/strange-clocks/id6814674635)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all 15 clocks | $1.99 | one-time |


## Frequently asked questions

### Is DekaClock free?

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

### Is Strange Clocks free?

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

### Do DekaClock or Strange Clocks have ads?

Neither DekaClock nor Strange Clocks shows ads.

### Which is updated more often, DekaClock or Strange Clocks?

DekaClock ships an update every 2 months, and Strange Clocks every 3 days. Most recently, DekaClock was updated on October 27, 2026 and Strange Clocks on October 29, 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.*