# Ring Sizer vs Invoice Maker

The clearest difference is device support: Ring Sizer at 3 against Invoice Maker's —. Ring Sizer also leads on iOS requirement (13.0 vs 15.1). On price and in-app purchases there is nothing between them.

Both are free to download. Ring Sizer sells 3 in-app purchases, starting at $3.99 per 7 days and Invoice Maker sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Ring Sizer | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (80 ratings)](https://appshunter.io/ios/app/ring-sizer-measure-ring-size/id6477376330/reviews)** | — |
| Number of ratings | **80** | — |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 4 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [TECHISTIC LTD](https://appshunter.io/developer/1628067321) | [Ali Goktas](https://appshunter.io/developer/1604433091) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-measure-ring-size/id6477376330)

Easily determine your precise ring size using your iPhone's camera. Get measurements in various units and international standards, with helpful guides and sharing options.

**Highlights:** Measure ring size with iPhone camera, Metric and imperial units, International ring size standards, Visual guides for accuracy, Save and share measurements, Includes ring sizing guide

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Measure Ring Size - Ring Sizer | $3.99 | per 7 days |
| Ring Sizer App: Ring Size Tool | $8.99 | per month |
| Ring Sizer Unlimited Access | $29.99 | per year |


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-fast-invoicing/id6759600178)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime Pro Unlock | $89.99 | one-time |


## Frequently asked questions

### Is Ring Sizer free?

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

### Is Invoice Maker free?

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

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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.*