ECWP vs AquaMetr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ECWP
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1. Finger-size potentiostat 2. Wireless connect, plug and play 3. Expanded to 8 Channels 4. Two port type for almost all electrodes
AquaMetr
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AquaMetr app is a free app designed to work with the water TDS card from Silicon Craft Technology PLC (SIC). This app provides functions to measure TDS value from drinking water, record date, time and location of each measurement, display the measurement history.
Screenshots
Verdict
The clearest difference is update cadence: ECWP at every 9 days against AquaMetr's monthly. ECWP also leads on iOS requirement (12.0 vs 17.6). 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.
ECWP ships an update every 9 days, AquaMetr monthly. The most recent releases landed on February 25, 2026 and September 19, 2026 respectively.
| Parameter | ECWP | AquaMetr |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 27 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | HSIEH-HSUN CHUNG | SILICON CRAFT TECHNOLOGY PUBLIC COMPANY LIMITED |
In-app purchases
ECWP
No in-app purchases
AquaMetr
No in-app purchases
