# Ttracker vs WaterTesting

Ttracker and WaterTesting are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Ttracker ships an update monthly, WaterTesting every 3 weeks. The most recent releases landed on September 15, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Ttracker | WaterTesting |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 37 MB | 16 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [鲜境电子有限公司](https://appshunter.io/developer/1683983410) | [Shanghai Ruosull Technology Co., Ltd](https://appshunter.io/developer/1735275002) |

## What reviewers say

### Ttracker

[App page](https://appshunter.io/ios/app/ttracker/id6477341481)

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

**In-app purchases:** none


### WaterTesting

[App page](https://appshunter.io/ios/app/watertesting/id6479241037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ttracker free?

Ttracker is free to download, with no in-app purchases.

### Is WaterTesting free?

WaterTesting is free to download, with no in-app purchases.

### Do Ttracker or WaterTesting have ads?

Neither Ttracker nor WaterTesting shows ads.

### Which is updated more often, Ttracker or WaterTesting?

Ttracker ships an update monthly, and WaterTesting every 3 weeks. Most recently, Ttracker was updated on September 15, 2026 and WaterTesting on September 12, 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.*