# Water Fill Timer vs シンプル砂時計

The clearest difference is ads: シンプル砂時計 at none against Water Fill Timer's shown. シンプル砂時計 also leads on update cadence (daily vs every 4 weeks). Water Fill Timer's advantage is iOS requirement (15.6 vs 17). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Water Fill Timer 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.

Water Fill Timer ships an update every 4 weeks, シンプル砂時計 daily. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Water Fill Timer | シンプル砂時計 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Daily** |
| Size | 35 MB | 2 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [akira ohmachi](https://appshunter.io/developer/1338624340) | [Studio Nogemu](https://appshunter.io/developer/6777193061) |

## What reviewers say

### Water Fill Timer

[App page](https://appshunter.io/ios/app/water-fill-timer/id6759228743)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | 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 Water Fill Timer free?

Water Fill Timer 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 is free to download, with in-app purchases available.

### Do Water Fill Timer or シンプル砂時計 have ads?

Water Fill Timer shows ads; シンプル砂時計 does not.

### Which is updated more often, Water Fill Timer or シンプル砂時計?

Water Fill Timer ships an update every 4 weeks, and シンプル砂時計 daily. Most recently, Water Fill Timer was updated on November 3, 2026 and シンプル砂時計 on November 10, 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.*