# Sunadokei vs シンプル砂時計

The clearest difference is price: Sunadokei at Free against シンプル砂時計's $0.49. シンプル砂時計's advantage is ads (none vs shown) and update cadence (daily vs every 5 weeks). On in-app purchases, device support and iOS requirement there is nothing between them.

Sunadokei is free to download; シンプル砂時計 costs $0.49 up front. Sunadokei sells 1 one-off in-app purchase and シンプル砂時計 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sunadokei ships an update every 5 weeks, シンプル砂時計 daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sunadokei | シンプル砂時計 |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Daily** |
| Size | 12 MB | 2 MB |
| Requires iOS | 17.0 | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [atsuko imai](https://appshunter.io/developer/1830783417) | [Studio Nogemu](https://appshunter.io/developer/6777193061) |

## 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 |


### シンプル砂時計

[App page](https://appshunter.io/ios/app/id6777193059)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| シンプル砂時計 Pro | $5.99 | one-time |


## Frequently asked questions

### Is Sunadokei free?

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

### Is シンプル砂時計 free?

シンプル砂時計 costs $0.49, and also offers in-app purchases.

### Do Sunadokei or シンプル砂時計 have ads?

Sunadokei shows ads; シンプル砂時計 does not.

### Which is updated more often, Sunadokei or シンプル砂時計?

Sunadokei ships an update every 5 weeks, and シンプル砂時計 daily. Most recently, Sunadokei was updated on October 24, 2026 and シンプル砂時計 on October 24, 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.*