# Orvyn vs DikDur

The clearest difference is in-app purchases: DikDur at none against Orvyn's 2. Orvyn's advantage is iOS requirement (18.0 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Orvyn sells 2 in-app purchases, starting at $4.99 per month. DikDur asks for nothing beyond the download.

## The numbers

| Metric | Orvyn | DikDur |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 13 MB | 3 MB |
| Requires iOS | **18.0** | 26.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 12+ |
| Developer | [MERT GOLCU](https://appshunter.io/developer/1834710750) | [Mustafa ERDOGAN](https://appshunter.io/developer/1891153908) |

## What reviewers say

### 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 |


### DikDur

[App page](https://appshunter.io/ios/app/dikdur/id6798813261)

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

**In-app purchases:** none


## Frequently asked questions

### Is Orvyn free?

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

### Is DikDur free?

DikDur is free to download, with no in-app purchases.

### Do Orvyn or DikDur have ads?

Neither Orvyn nor DikDur shows ads.

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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.*