# Posture Trainer vs Orvyn

The clearest difference is update cadence: Orvyn at weekly against Posture Trainer's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Posture Trainer sells 3 in-app purchases, starting at $6.99 per 7 days and Orvyn sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Posture Trainer ships an update monthly, Orvyn weekly. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Posture Trainer | Orvyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 13 MB | 13 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [MERT GOLCU](https://appshunter.io/developer/1834710750) |

## What reviewers say

### Posture Trainer

[App page](https://appshunter.io/ios/app/posture-trainer-sit-straight/id6772211099)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $6.99 | per 7 days |
| Yearly | $34.99 | per year |
| Lifetime Pro | $69.99 | one-time |


### Orvyn

[App page](https://appshunter.io/ios/app/orvyn-posture-corrector/id6782555890)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Orvyn Pro Monthly | $4.99 | per month |
| Orvyn Pro Full Year | $29.99 | per year |


## Frequently asked questions

### Is Posture Trainer free?

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

### Is Orvyn free?

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

### Do Posture Trainer or Orvyn have ads?

Neither Posture Trainer nor Orvyn shows ads.

### Which is updated more often, Posture Trainer or Orvyn?

Posture Trainer ships an update monthly, and Orvyn weekly. Most recently, Posture Trainer was updated on October 12, 2026 and Orvyn on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*