# Plumbly vs Ring Sizer

The clearest difference is in-app purchases: Ring Sizer at none against Plumbly's 1. Ring Sizer also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Plumbly sells 1 one-off in-app purchase. Ring Sizer asks for nothing beyond the download.

## The numbers

| Metric | Plumbly | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 5 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tobias Huppertz](https://appshunter.io/developer/1548106214) | [Yaroslav Trofimov](https://appshunter.io/developer/1851395994) |

## What reviewers say

### Plumbly

[App page](https://appshunter.io/ios/app/plumbly-level-ruler-and-angle/id6761428272)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plumbly Pro | $0.99 | one-time |


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-ruler/id6793472743)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plumbly free?

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

### Is Ring Sizer free?

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

### Do Plumbly or Ring Sizer have ads?

Neither Plumbly nor Ring Sizer 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.*