# Ring Sizer vs Ring Sizer Tool

The clearest difference is monetization model: Ring Sizer at free with in-app purchases against Ring Sizer Tool's subscription. Ring Sizer Tool's advantage is review sentiment (70% vs 33%) and ads (none vs shown). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Ring Sizer sells 6 in-app purchases, starting at $1.99 per 7 days and Ring Sizer Tool sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

Ring Sizer Tool holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Ring Sizer Tool has 604 ratings behind it against 73, so its average is the more settled of the two. Written reviews point the same way: 33% of Ring Sizer's written reviews are positive against 70% of Ring Sizer Tool's.

Ring Sizer ships an update every 2 months, Ring Sizer Tool every 5 weeks. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Ring Sizer | Ring Sizer Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (73 ratings)](https://appshunter.io/ios/app/ring-sizer-size-measure-app/id1644578569/reviews) | **[4.7 (604 ratings)](https://appshunter.io/ios/app/ring-sizer-tool/id6466219535/reviews)** |
| Number of ratings | 73 | **604** |
| Positive reviews | 33.3% of reviews | **70.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 55 MB | 68 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Nemtsou](https://appshunter.io/developer/1612416096) | [Appcano LLC](https://appshunter.io/developer/1626754199) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-size-measure-app/id1644578569)

Easily determine your ring size using your phone's screen. Simply place a ring on the designated area and adjust the slider to match its inner edges. The app then displays your ring size in various international formats.

**Highlights:** Measure ring size on screen, Adjustable slider for precise fit, Multiple international size formats (US, AU/GB, EU/ISO, JP/CN), In-app ruler for inches and mm

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Premium | $1.99 | per 7 days |
| Premium Weekly | $3.99 | per 7 days |
| Ring Sizer | $4.99 | per month |
| Annual One-Time | $7.99 | per year |
| Ring Sizer | $9.99 | per year |
| Lifetime Premium | $19.99 | one-time |


### 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


## Frequently asked questions

### Is Ring Sizer free?

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

### Is Ring Sizer Tool free?

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

### Which has better reviews, Ring Sizer or Ring Sizer Tool?

Ring Sizer Tool is rated higher. Ring Sizer averages 4.4 out of 5 from 73 ratings, while Ring Sizer Tool averages 4.7 from 604 ratings.

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

Ring Sizer shows ads; Ring Sizer Tool does not.

### Which is updated more often, Ring Sizer or Ring Sizer Tool?

Ring Sizer ships an update every 2 months, and Ring Sizer Tool every 5 weeks. Most recently, Ring Sizer was updated on October 1, 2026 and Ring Sizer Tool on September 30, 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.*