# Sunadokei vs Hourglass

The clearest difference is in-app purchases: Hourglass at none against Sunadokei's 1. Hourglass also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Sunadokei sells 1 one-off in-app purchase. Hourglass asks for nothing beyond the download.

## The numbers

| Metric | Sunadokei | Hourglass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | — |
| Size | 12 MB | 33 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [atsuko imai](https://appshunter.io/developer/1830783417) | [LINDA MARTINA LOTTIGER](https://appshunter.io/developer/6806577441) |

## What reviewers say

### Sunadokei

[App page](https://appshunter.io/ios/app/sunadokei-visual-sand-timer/id6762150420)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sunadokei Pro | $2.99 | one-time |


### Hourglass

[App page](https://appshunter.io/ios/app/hourglass-sand-and-chess-timer/id6806577439)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sunadokei free?

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

### Is Hourglass free?

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

### Do Sunadokei or Hourglass have ads?

Sunadokei shows ads; Hourglass does not.

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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.*