# 簡単タイマー tomTimer vs Water Fill Timer

The clearest difference is in-app purchases: 簡単タイマー tomTimer at none against Water Fill Timer's 1. 簡単タイマー tomTimer also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Water Fill Timer sells 1 one-off in-app purchase. 簡単タイマー tomTimer asks for nothing beyond the download.

簡単タイマー tomTimer ships an update every 5 weeks, Water Fill Timer every 4 weeks. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 簡単タイマー tomTimer | Water Fill Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Size | 2 MB | 35 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taro Tomura](https://appshunter.io/developer/1243542772) | [akira ohmachi](https://appshunter.io/developer/1338624340) |

## What reviewers say

### 簡単タイマー tomTimer

[App page](https://appshunter.io/ios/app/tomtimer/id6742073796)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 簡単タイマー tomTimer free?

簡単タイマー tomTimer is free to download, with no in-app purchases.

### Is Water Fill Timer free?

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

### Do 簡単タイマー tomTimer or Water Fill Timer have ads?

Water Fill Timer shows ads; 簡単タイマー tomTimer does not.

### Which is updated more often, 簡単タイマー tomTimer or Water Fill Timer?

簡単タイマー tomTimer ships an update every 5 weeks, and Water Fill Timer every 4 weeks. Most recently, 簡単タイマー tomTimer was updated on October 5, 2026 and Water Fill Timer on October 11, 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.*