# OsteoGauge vs Angle Meter & Cobb Angle Meter

The clearest difference is price: OsteoGauge at $2.99 against Angle Meter & Cobb Angle Meter's $9.99. OsteoGauge also leads on update cadence (daily vs every 4 months) and iOS requirement (10.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

OsteoGauge costs $2.99 and Angle Meter & Cobb Angle Meter $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

OsteoGauge ships an update daily, Angle Meter & Cobb Angle Meter every 4 months. The most recent releases landed on November 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OsteoGauge | Angle Meter & Cobb Angle Meter |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 months |
| Size | 112 MB | 2 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chu An Luo](https://appshunter.io/developer/1257642394) | [Ahmad Al Hariri](https://appshunter.io/developer/1648019898) |

## What reviewers say

### OsteoGauge

[App page](https://appshunter.io/ios/app/osteogauge-lower-limb/id1312951940)

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

**In-app purchases:** none


### Angle Meter & Cobb Angle Meter

[App page](https://appshunter.io/ios/app/angle-meter-and-cobb-angle-meter/id6476834773)

**In-app purchases:** none


## Frequently asked questions

### Is OsteoGauge free?

OsteoGauge costs $2.99, with no in-app purchases.

### Is Angle Meter & Cobb Angle Meter free?

Angle Meter & Cobb Angle Meter costs $9.99, with no in-app purchases.

### Do OsteoGauge or Angle Meter & Cobb Angle Meter have ads?

Neither OsteoGauge nor Angle Meter & Cobb Angle Meter shows ads.

### Which is updated more often, OsteoGauge or Angle Meter & Cobb Angle Meter?

OsteoGauge ships an update daily, and Angle Meter & Cobb Angle Meter every 4 months. Most recently, OsteoGauge was updated on November 4, 2026 and Angle Meter & Cobb Angle Meter on October 1, 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.*