# Ring Sizer Tool vs UnitTrace

The clearest difference is iOS requirement: UnitTrace at 13.0 against Ring Sizer Tool's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ring Sizer Tool sells 1 in-app purchase, starting at $19.99 per year and UnitTrace sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Ring Sizer Tool | UnitTrace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (614 ratings)](https://appshunter.io/ios/app/ring-sizer-tool/id6466219535/reviews)** | — |
| Number of ratings | **614** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Subscription | — |
| Size | 68 MB | 60 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appcano LLC](https://appshunter.io/developer/1626754199) | [QINGDAO XUFAN ZHILIAN INFORMATION TECHNOLOGY CO. LTD.](https://appshunter.io/developer/1888657658) |

## What reviewers say

### Ring Sizer Tool

[App page](https://appshunter.io/ios/app/ring-sizer-tool/id6466219535)

Accurately measure your finger size or compare existing rings to find the perfect fit. This tool simplifies ring sizing for confident online purchases and jewelry selection.

**Highlights:** Finger measurement without a ring, Ring comparison for sizing, Intuitive and simple interface, Accurate sizing for online shopping, Suitable for buyers and jewelers

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Annual | $19.99 | per year |

**What reviewers like**

- 👍 Easy to use
- ✅ Accurate sizing
- 💰 Free to use
- 📱 Works with newer iPhones
- 💡 Better than paper methods

**What reviewers complain about**

- ❌ Inaccurate finger sizing
- ❌ Wildly wrong estimates
- ❌ Doesn't work for some users

**Requested features**

- Dynamically update values as slider adjusts


### UnitTrace

[App page](https://appshunter.io/ios/app/unittrace/id6772764448)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitTrace Pro | $24.99 | one-time |


## Frequently asked questions

### Is Ring Sizer Tool free?

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

### Is UnitTrace free?

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

### Do Ring Sizer Tool or UnitTrace have ads?

Neither Ring Sizer Tool nor UnitTrace 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.*