# Joint Angle Measurement vs IntervalGuide

The clearest difference is ads: Joint Angle Measurement at none against IntervalGuide's shown. IntervalGuide's advantage is iOS requirement (16.0 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Joint Angle Measurement sells 2 in-app purchases, starting at $2.99 per month and IntervalGuide sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Joint Angle Measurement ships an update every 2 weeks, IntervalGuide every 11 days. The most recent releases landed on September 30, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Joint Angle Measurement | IntervalGuide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Size | 30 MB | 54 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ryo muranaka](https://appshunter.io/developer/1606480078) | [Amir Tairi](https://appshunter.io/developer/6775922253) |

## What reviewers say

### Joint Angle Measurement

[App page](https://appshunter.io/ios/app/joint-angle-measurement/id6752212531)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| subscription | $2.99 | per month |
| Subscription | $19.99 | per year |


### IntervalGuide

[App page](https://appshunter.io/ios/app/intervalguide-intervall-timer/id6775922251)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IntervalGuide Premium | $2.99 | per month |


## Frequently asked questions

### Is Joint Angle Measurement free?

Joint Angle Measurement is free to download, with in-app purchases available.

### Is IntervalGuide free?

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

### Do Joint Angle Measurement or IntervalGuide have ads?

IntervalGuide shows ads; Joint Angle Measurement does not.

### Which is updated more often, Joint Angle Measurement or IntervalGuide?

Joint Angle Measurement ships an update every 2 weeks, and IntervalGuide every 11 days. Most recently, Joint Angle Measurement was updated on September 30, 2026 and IntervalGuide on September 10, 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.*