# Water Timer Plus vs AudioTestLab

The clearest difference is price: Water Timer Plus at Free against AudioTestLab's $0.99. Water Timer Plus also leads on iOS requirement (15.6 vs 17.0). AudioTestLab's advantage is update cadence (every 3 weeks vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Water Timer Plus is free to download; AudioTestLab costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Water Timer Plus ships an update every 2 months, AudioTestLab every 3 weeks. The most recent releases landed on September 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Water Timer Plus | AudioTestLab |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 24 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ningbo Yilin Aguatech Co.,ltd.](https://appshunter.io/developer/1455601901) | [龙 王](https://appshunter.io/developer/1889120838) |

## What reviewers say

### Water Timer Plus

[App page](https://appshunter.io/ios/app/water-timer-plus/id1615526986)

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

**In-app purchases:** none


### AudioTestLab

[App page](https://appshunter.io/ios/app/audiotestlab/id6769829179)

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

**In-app purchases:** none


## Frequently asked questions

### Is Water Timer Plus free?

Water Timer Plus is free to download, with no in-app purchases.

### Is AudioTestLab free?

AudioTestLab costs $0.99, with no in-app purchases.

### Do Water Timer Plus or AudioTestLab have ads?

Neither Water Timer Plus nor AudioTestLab shows ads.

### Which is updated more often, Water Timer Plus or AudioTestLab?

Water Timer Plus ships an update every 2 months, and AudioTestLab every 3 weeks. Most recently, Water Timer Plus was updated on September 25, 2026 and AudioTestLab on October 31, 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.*