# 水质记 vs Zonebook

The clearest difference is device support: 水质记 at 3 against Zonebook's 1. 水质记 also leads on iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | 水质记 | Zonebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/zonebook/id6803564425/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Size | 6 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [灵芝 许](https://appshunter.io/developer/1893112786) | [Ansel Hauck](https://appshunter.io/developer/6803564427) |

## What reviewers say

### 水质记

[App page](https://appshunter.io/ios/app/id6768909626)

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

**In-app purchases:** none


### Zonebook

[App page](https://appshunter.io/ios/app/zonebook/id6803564425)

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

**In-app purchases:** none


## Frequently asked questions

### Is 水质记 free?

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

### Is Zonebook free?

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

### Do 水质记 or Zonebook have ads?

Neither 水质记 nor Zonebook shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*