# Dumanless vs Orvyn

The clearest difference is update cadence: Orvyn at weekly against Dumanless's every 3 months. Dumanless's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Dumanless sells 1 in-app purchase, starting at $6.99 per month 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.

Dumanless ships an update every 3 months, Orvyn weekly. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Dumanless | Orvyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 29 MB | 13 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Mindvia Digital LTD](https://appshunter.io/developer/1867129325) | [MERT GOLCU](https://appshunter.io/developer/1834710750) |

## What reviewers say

### Dumanless

[App page](https://appshunter.io/ios/app/dumanless/id6757463109)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dumanless Pro Monthly | $6.99 | per month |


### 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 Dumanless free?

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

### Is Orvyn free?

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

### Do Dumanless or Orvyn have ads?

Neither Dumanless nor Orvyn shows ads.

### Which is updated more often, Dumanless or Orvyn?

Dumanless ships an update every 3 months, and Orvyn weekly. Most recently, Dumanless was updated on October 5, 2026 and Orvyn on October 13, 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.*