iBIOSYS vs WaterTesting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iBIOSYS
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iBIOSYS is a test of the application degree of BIOSYS (applicable to the study of membrane interface electron transfer, and the development and industrialization of electrochemical gas sensors, heavy metal detection sensors, ion sensors and pH sensors)
WaterTesting
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水质检测工具，可检测pH等
Screenshots
Verdict
The clearest difference is update cadence: WaterTesting at every 3 weeks against iBIOSYS's every 4 months. iBIOSYS's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
iBIOSYS ships an update every 4 months, WaterTesting every 3 weeks. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.
| Parameter | iBIOSYS | WaterTesting |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 18 MB | 16 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen Refresh Biosensing Technology Co., Ltd. | Shanghai Ruosull Technology Co., Ltd |
In-app purchases
iBIOSYS
No in-app purchases
WaterTesting
No in-app purchases
