# Leap Year Test vs Digital Sun Dial

The clearest difference is price: Leap Year Test at Free against Digital Sun Dial's $1.99. Leap Year Test also leads on iOS requirement (11.0 vs 16.6). Digital Sun Dial's advantage is update cadence (daily vs every 13 months). On ads, in-app purchases and device support there is nothing between them.

Leap Year Test is free to download; Digital Sun Dial costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Leap Year Test ships an update every 13 months, Digital Sun Dial daily. Both last shipped on October 9, 2026.

## The numbers

| Metric | Leap Year Test | Digital Sun Dial |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Daily** |
| Size | 11 MB | 49 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jan-Hendrik von Kuick](https://appshunter.io/developer/1190145903) | [MICHAEL JOHN HAMILTON](https://appshunter.io/developer/1820670753) |

## What reviewers say

### Leap Year Test

[App page](https://appshunter.io/ios/app/leap-year-test/id1371327368)

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

**In-app purchases:** none


### Digital Sun Dial

[App page](https://appshunter.io/ios/app/digital-sun-dial/id6748704583)

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

**In-app purchases:** none


## Frequently asked questions

### Is Leap Year Test free?

Leap Year Test is free to download, with no in-app purchases.

### Is Digital Sun Dial free?

Digital Sun Dial costs $1.99, with no in-app purchases.

### Do Leap Year Test or Digital Sun Dial have ads?

Neither Leap Year Test nor Digital Sun Dial shows ads.

### Which is updated more often, Leap Year Test or Digital Sun Dial?

Leap Year Test ships an update every 13 months, and Digital Sun Dial daily. Most recently, Leap Year Test was updated on October 9, 2026 and Digital Sun Dial on October 9, 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.*