# OrthoMeasure vs JustRuler

The clearest difference is in-app purchases: OrthoMeasure at none against JustRuler's 1. OrthoMeasure also leads on ads (none vs shown) and update cadence (every 5 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. JustRuler sells 1 one-off in-app purchase. OrthoMeasure asks for nothing beyond the download.

OrthoMeasure ships an update every 5 days, JustRuler every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OrthoMeasure | JustRuler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/orthomeasure/id6755159995/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 6 weeks |
| Monetization | Free | — |
| Size | 3 MB | 5 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Hadi Altabatabaae](https://appshunter.io/developer/1852313650) | [atsuko imai](https://appshunter.io/developer/1830783417) |

## What reviewers say

### OrthoMeasure

[App page](https://appshunter.io/ios/app/orthomeasure/id6755159995)

Accurately measure clinical angles using your iPhone's motion sensors. This digital goniometer provides precise readings on X-rays or during examinations with a simple two-tap system. Get instant, clear display of all corresponding angles.

**Highlights:** Precise angle measurement, Simple 2-tap system, Visual angle display, Full angle display (acute, obtuse, reflex), Clean, dark-mode interface, Uses device motion sensors

**Features:** macOS Compatibility

**In-app purchases:** none


### JustRuler

[App page](https://appshunter.io/ios/app/justruler/id6758887849)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is OrthoMeasure free?

OrthoMeasure is free to download, with no in-app purchases.

### Is JustRuler free?

JustRuler is free to download, with in-app purchases available.

### Do OrthoMeasure or JustRuler have ads?

JustRuler shows ads; OrthoMeasure does not.

### Which is updated more often, OrthoMeasure or JustRuler?

OrthoMeasure ships an update every 5 days, and JustRuler every 6 weeks. Most recently, OrthoMeasure was updated on October 24, 2026 and JustRuler on October 25, 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.*