# Specific Gravity Refractometer — Natural sea water

> Natural sea water (iPhone/iPad app by Max Electronics Co., Ltd..)

- Source: https://appshunter.io/ios/app/specific-gravity-refractometer/id1578428180 (this page in markdown: same URL + `.md`)
- Developer: [Max Electronics Co., Ltd.](https://appshunter.io/developer/1578427976)
- Category: Lifestyle, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 12 MB
- Languages: English, German, Korean, Chinese
- Released: 2021-08-20
- Data updated: 2026-07-28
- User reviews in markdown: https://appshunter.io/ios/app/specific-gravity-refractometer/id1578428180/reviews.md

## What is Specific Gravity Refractometer?

It's a good solution for people who grow sea fish or coral to easily compare trends in temperature and sea proportion.


## Version history (last 2 releases)

### 1.0.1 — 2021-09-13

Fixed some bugs.

### 1.0 — 2021-08-20

No release notes.

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## More apps by Max Electronics Co., Ltd.

- [Brix Refractometer](https://appshunter.io/ios/app/brix-refractometer/id1578427974)
- [Salinometer](https://appshunter.io/ios/app/salinometer/id1578428026)
- [Urine Salinometer](https://appshunter.io/ios/app/urine-salinometer/id1578428184)
- [Coffee TDS Refractometer](https://appshunter.io/ios/app/coffee-tds-refractometer/id1600599346)

All apps by Max Electronics Co., Ltd.: https://appshunter.io/developer/1578427976

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-28.*