# Ring Sizer+ vs FRL Authenticator

The clearest difference is in-app purchases: FRL Authenticator at none against Ring Sizer+'s 4. FRL Authenticator also leads on ads (none vs shown) and update cadence (every 9 days vs every 23 months). On price and device support there is nothing between them.

Both are free to download. Ring Sizer+ sells 3 in-app purchases, starting at $4.99 per month. FRL Authenticator asks for nothing beyond the download.

Ring Sizer+ ships an update every 23 months, FRL Authenticator every 9 days. The most recent releases landed on September 3, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Ring Sizer+ | FRL Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (12 ratings)](https://appshunter.io/ios/app/ring-sizer-plus/id6449985641/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | — | 57.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 6 MB | 33 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arda Sen](https://appshunter.io/developer/1670665250) | [Fraser Research Labs. Inc](https://appshunter.io/developer/1762586332) |

## What reviewers say

### Ring Sizer+

[App page](https://appshunter.io/ios/app/ring-sizer-plus/id6449985641)

Effortlessly measure rings, jewelry, and other objects with precision using visual cues and a digital ruler. Supports global sizing standards and stores measurement history for convenience. Ensures a perfect fit for your precious items.

**Highlights:** Seamless measurement experience, Versatile digital ruler, Global size support, Perfect fit guarantee, Measurement history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $19.99 | per year |
| Yearly Subscription | $29.99 | per year |


### FRL Authenticator

[App page](https://appshunter.io/ios/app/frl-authenticator/id6633428582)

Instantly verify the authenticity of Fraser Research Labs products by scanning their unique QR codes. Protect yourself from counterfeits and ensure you're using genuine, safe, and effective items.

**Highlights:** Scan product QR codes, Verify product authenticity, Identify genuine vs. counterfeit items, Blockchain encryption for security, Guided scanning instructions

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

**In-app purchases:** none


## Frequently asked questions

### Is Ring Sizer+ free?

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

### Is FRL Authenticator free?

FRL Authenticator is free to download, with no in-app purchases.

### Do Ring Sizer+ or FRL Authenticator have ads?

Ring Sizer+ shows ads; FRL Authenticator does not.

### Which is updated more often, Ring Sizer+ or FRL Authenticator?

Ring Sizer+ ships an update every 23 months, and FRL Authenticator every 9 days. Most recently, Ring Sizer+ was updated on September 3, 2026 and FRL Authenticator on September 7, 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.*