# Posture Workout vs Shelby

The clearest difference is iOS requirement: Shelby at 13.0 against Posture Workout's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Posture Workout sells 4 in-app purchases, starting at $9.99 per month and Shelby sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Posture Workout | Shelby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (146 ratings)](https://appshunter.io/ios/app/posture-workout/id6754630930/reviews)** | — |
| Number of ratings | **146** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 651 MB | 93 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vanilla b.v.](https://appshunter.io/developer/517474510) | [Nguyen Manh](https://appshunter.io/developer/1500937406) |

## What reviewers say

### Posture Workout

[App page](https://appshunter.io/ios/app/posture-workout/id6754630930)

Improve your posture with short, daily workouts designed to combat the effects of prolonged sitting and screen time. This app offers personalized plans focusing on key areas like tech neck and rounded shoulders, requiring no equipment and fitting easily into your day.

**Highlights:** 8-minute daily workouts, Personalized posture plans, Addresses tech neck and forward head posture, Corrects rounded shoulders and tight chest, Improves pelvic tilt and lower back imbalance, Beginner-friendly and bodyweight only

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $9.99 | per month |
| Premium Subscription | $19.99 | per year |
| Premium Subscription | $39.99 | per year |
| Premium Subscription | $69.99 | per year |


### Shelby

[App page](https://appshunter.io/ios/app/shelby-neck-exercise/id6785951753)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly Pro | $34.99 | per year |


## Frequently asked questions

### Is Posture Workout free?

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

### Is Shelby free?

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

### Do Posture Workout or Shelby have ads?

Neither Posture Workout nor Shelby shows ads.

### Which is updated more often, Posture Workout or Shelby?

Posture Workout ships an update weekly, and Shelby weekly. Most recently, Posture Workout was updated on November 5, 2026 and Shelby on November 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.*