# Orvyn vs Plumb

Orvyn and Plumb are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Orvyn sells 2 in-app purchases, starting at $4.99 per month and Plumb sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Orvyn ships an update weekly, Plumb every 10 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Orvyn | Plumb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 13 MB | 7 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [MERT GOLCU](https://appshunter.io/developer/1834710750) | [MOHAMMAD ALJARAD](https://appshunter.io/developer/6784008263) |

## 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 |


### Plumb

[App page](https://appshunter.io/ios/app/plumb-posture-reminder/id6785198606)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plumb+ Weekly | $3.99 | per 7 days |
| Plumb+ Annual | $39.99 | per year |
| Plumb+ Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Orvyn free?

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

### Is Plumb free?

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

### Do Orvyn or Plumb have ads?

Neither Orvyn nor Plumb shows ads.

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

Orvyn ships an update weekly, and Plumb every 10 days. Most recently, Orvyn was updated on October 13, 2026 and Plumb on October 12, 2026.

---

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