O'K health vs OpenScale
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
O'K health
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Track your body composition measurement results using easy-to-read progress charts, and stay motivated on your lifelong fitness journey! O’K health is designed to work seamlessly with O’care wireless devices, syncing measurement data to the app after measurement. The user-friendly interface makes it easy to save health data and track measurement results to achieve your health goals! (output results vary depending on smart scale model) Create accounts for as manyusers as needed, and enjoy data privacy with locally stored results. Enjoy a hassle-free user experience: no in-app purchases, no ads.
OpenScale
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OpenScale is a simple, private weight tracker, where you’re in full control of your data. Log your weight offline, and export or import everything, whenever you want. No accounts. No internet connection. No hidden syncing. Just you and your data, on your device, under your control. Your weight. Your control.
Screenshots
Verdict
The clearest difference is price: O'K health at Free against OpenScale's $0.99. O'K health also leads on iOS requirement (13.0 vs 26.0). OpenScale's advantage is update cadence (every 4 days vs every 14 months) and chart position (#117 vs unranked). On 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
O'K health is free to download; OpenScale costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
O'K health ships an update every 14 months, OpenScale every 4 days. The most recent releases landed on October 30, 2026 and November 6, 2026 respectively.
| Parameter | O'K health | OpenScale |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Every 14 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Best chart rank | — | #117 — better |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 4 MB | 12 MB |
| Age rating | 17+ | 4+ |
| Developer | Charder Electronic Co., Ltd. | CAN ETHEM BELLIDO |
In-app purchases
O'K health
No in-app purchases
OpenScale
No in-app purchases
