# Sentic vs Orvyn

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

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

Sentic ships an update fortnightly, Orvyn weekly. The most recent releases landed on October 9, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sentic | Orvyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 4 MB | 13 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Omer FARUK DOGAN](https://appshunter.io/developer/1832438731) | [MERT GOLCU](https://appshunter.io/developer/1834710750) |

## What reviewers say

### Sentic

[App page](https://appshunter.io/ios/app/sentic/id6759304274)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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 Sentic free?

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

### Is Orvyn free?

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

### Do Sentic or Orvyn have ads?

Neither Sentic nor Orvyn shows ads.

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

Sentic ships an update fortnightly, and Orvyn weekly. Most recently, Sentic was updated on October 9, 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.*