# ClapWatch vs Water Fill Timer

The clearest difference is in-app purchases: ClapWatch at none against Water Fill Timer's 1. ClapWatch 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. ClapWatch asks for nothing beyond the download.

ClapWatch ships an update every 3 weeks, Water Fill Timer every 4 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ClapWatch | Water Fill Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/clapwatch/id1554084257/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | — |
| Size | 9 MB | 35 MB |
| Requires iOS | **14.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jun Ogino](https://appshunter.io/developer/1554084259) | [akira ohmachi](https://appshunter.io/developer/1338624340) |

## What reviewers say

### ClapWatch

[App page](https://appshunter.io/ios/app/clapwatch/id1554084257)

This utility app offers straightforward stopwatch functionality with easy-to-use controls. It's designed for precise timekeeping in various scenarios, like sports events, and automatically saves lap data for convenience.

**Highlights:** Easy start/stop/lap/reset controls, Proximity sensor activation, Device shake control, Automatic lap saving, Lap data copyable as text, Suitable for sports timing

**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 ClapWatch free?

ClapWatch 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 ClapWatch or Water Fill Timer have ads?

Water Fill Timer shows ads; ClapWatch does not.

### Which is updated more often, ClapWatch or Water Fill Timer?

ClapWatch ships an update every 3 weeks, and Water Fill Timer every 4 weeks. Most recently, ClapWatch was updated on October 24, 2026 and Water Fill Timer on October 20, 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.*