# AR Ruler Measuring Tape：Metrix vs Ring Sizer

The clearest difference is rating: AR Ruler Measuring Tape：Metrix at 4.2 against Ring Sizer's 3.7. AR Ruler Measuring Tape：Metrix also leads on ratings volume (1.2K vs 3) and update cadence (weekly vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. AR Ruler Measuring Tape：Metrix sells 9 in-app purchases, starting at $6.99 per 7 days and Ring Sizer sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AR Ruler Measuring Tape：Metrix holds the better App Store score, 4.2 against 3.7. That said, the two scores are not equally well evidenced: AR Ruler Measuring Tape：Metrix has 1.2K ratings behind it against 3, so its average is the more settled of the two.

AR Ruler Measuring Tape：Metrix ships an update weekly, Ring Sizer every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AR Ruler Measuring Tape：Metrix | Ring Sizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (1.2K ratings)](https://appshunter.io/ios/app/ar-ruler-measuring-tapemetrix/id6739498078/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/ring-sizer-size-your-finger/id6816963164/reviews) |
| Number of ratings | **1.2K** | 3 |
| Positive reviews | 20.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#111** | — |
| Size | 410 MB | 52 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MobileTech OU](https://appshunter.io/developer/1796212608) | [Desidari Holding Ltd.](https://appshunter.io/developer/1576843270) |

## What reviewers say

### AR Ruler Measuring Tape：Metrix

[App page](https://appshunter.io/ios/app/ar-ruler-measuring-tapemetrix/id6739498078)

**Currently charting:** #111 Top Grossing · Utilities (US App Store)

Transform your phone into a precise digital measuring tool using augmented reality. Measure objects, calculate room dimensions, and find ring sizes with ease. Save and share your measurements in various formats.

**Highlights:** Real-time object measurement, Accurate ring sizer, 3D room scanning, Perimeter and square footage calculation, Save and share measurements, Imperial and metric unit support

**Features:** Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Weekly Access | $9.99 | per 7 days |
| Weekly Family Premium | $9.99 | per 7 days |
| Annual Family Premium | $39.99 | per year |
| Annual Premium | $49.99 | per year |
| Annual Family Premium | $59.99 | per year |
| Annual Access | $64.99 | per year |
| Lifetime Premium | $59.99 | one-time |
| Lifetime Access | $69.99 | one-time |

**What reviewers like**

- ✨ Accurate ring sizing (limited)
- 💡 AR feature is clever (sometimes)
- 👍 Handy for quick checks
- 💯 Impressive accuracy (sometimes)
- 👍 Cool AR mode (needs steady hands)

**What reviewers complain about**

- ❌ Impossible to cancel subscription
- ❌ Contact buttons/links not working
- ❌ No response from customer service
- ❌ Charged without subscription/trial
- ❌ App freezes or won't load

**Reported bugs**

- Contact button does not work
- App continues to freeze
- Buttons not clickable
- App didn't work for one day
- App won't load

**Requested features**

- Provide clear instructions/directions
- Make cancellation process straightforward
- Ensure contact methods are functional
- Allow account deletion
- Fix app freezing/loading issues


### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-size-your-finger/id6816963164)

Measure your finger or an existing ring accurately on your iPhone. Get your ring size in multiple international systems, including diameter and circumference. No printing or extra tools needed.

**Highlights:** Measure existing rings on screen, Measure finger without a ring, US, UK, EU, and JP sizing, View diameter and circumference, No printing or extra tools required, Quick and simple measurement

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly | $7.99 | per 7 days |
| Ring Sizer Monthly | $19.99 | per month |
| Ring Sizer Annual | $24.99 | per year |
| Ring Sizer Yearly | $49.99 | per year |


## Frequently asked questions

### Is AR Ruler Measuring Tape：Metrix free?

AR Ruler Measuring Tape：Metrix is free to download, with in-app purchases available.

### Is Ring Sizer free?

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

### Which has better reviews, AR Ruler Measuring Tape：Metrix or Ring Sizer?

AR Ruler Measuring Tape：Metrix is rated higher. AR Ruler Measuring Tape：Metrix averages 4.2 out of 5 from 1.2K ratings, while Ring Sizer averages 3.7 from 3 ratings.

### Do AR Ruler Measuring Tape：Metrix or Ring Sizer have ads?

Neither AR Ruler Measuring Tape：Metrix nor Ring Sizer shows ads.

### Which is updated more often, AR Ruler Measuring Tape：Metrix or Ring Sizer?

AR Ruler Measuring Tape：Metrix ships an update weekly, and Ring Sizer every 3 weeks. Most recently, AR Ruler Measuring Tape：Metrix was updated on November 5, 2026 and Ring Sizer on October 31, 2026.

---

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