# O'K health vs OpenScale

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 (#143 vs unranked). On ads, in-app purchases and device support there is nothing between them.

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.

## The numbers

| Metric | O'K health | OpenScale |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 4 days** |
| Best chart rank | — | **#143** |
| Size | 4 MB | 12 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Charder Electronic Co., Ltd.](https://appshunter.io/developer/796349103) | [CAN ETHEM BELLIDO](https://appshunter.io/developer/1851088390) |

## What reviewers say

### O'K health

[App page](https://appshunter.io/ios/app/ok-health/id6737087796)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenScale

[App page](https://appshunter.io/ios/app/openscale/id6759986422)

**Currently charting:** #143 Top Paid · Health & Fitness (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is O'K health free?

O'K health is free to download, with no in-app purchases.

### Is OpenScale free?

OpenScale costs $0.99, with no in-app purchases.

### Do O'K health or OpenScale have ads?

Neither O'K health nor OpenScale shows ads.

### Which is updated more often, O'K health or OpenScale?

O'K health ships an update every 14 months, and OpenScale every 4 days. Most recently, O'K health was updated on October 30, 2026 and OpenScale on November 6, 2026.

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