# Posture Chart vs Joint Angle Camera

The clearest difference is iOS requirement: Joint Angle Camera at 15.5 against Posture Chart's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Posture Chart sells 2 in-app purchases, starting at $9.99 per month and Joint Angle Camera sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Posture Chart | Joint Angle Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/posture-chart/id6744533947/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 61 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kent Health Systems, Inc.](https://appshunter.io/developer/1808016208) | [鹏 徐](https://appshunter.io/developer/6775937457) |

## What reviewers say

### Posture Chart

[App page](https://appshunter.io/ios/app/posture-chart/id6744533947)

This app transforms your iPhone into a portable posture assessment tool. It allows health professionals to quickly and accurately analyze posture, document progress, and educate clients with visual aids. Ideal for chiropractors, therapists, and trainers on the go.

**Highlights:** Portable postural analysis, Professional-grade grid chart, Photo documentation, Client education tools, Customizable workflow, Progress tracking

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Watermark - Monthly | $9.99 | per month |
| Watermark - One Time | $149.99 | one-time |


### Joint Angle Camera

[App page](https://appshunter.io/ios/app/joint-angle-camera/id6776578930)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro forever | $4.99 | one-time |


## Frequently asked questions

### Is Posture Chart free?

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

### Is Joint Angle Camera free?

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

### Do Posture Chart or Joint Angle Camera have ads?

Neither Posture Chart nor Joint Angle Camera shows ads.

### Which is updated more often, Posture Chart or Joint Angle Camera?

Posture Chart ships an update every 3 weeks, and Joint Angle Camera every 3 weeks. Most recently, Posture Chart was updated on October 14, 2026 and Joint Angle Camera on October 7, 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.*