# dBMeter Pro vs Ring Sizer Pro

The clearest difference is review sentiment: Ring Sizer Pro at 100% against dBMeter Pro's 57%. Ring Sizer Pro also leads on price ($1.99 vs $5.99) and device support (3 vs 1). dBMeter Pro's advantage is rating (5.0 vs 2.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

dBMeter Pro costs $5.99 and Ring Sizer Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

dBMeter Pro holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews complicate that: 57% of dBMeter Pro's written reviews are positive against 100% of Ring Sizer Pro's, so the app with the better star average is not the one people write more warmly about.

dBMeter Pro ships an update every 5 months, Ring Sizer Pro every 4 months. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | dBMeter Pro | Ring Sizer Pro |
| --- | --- | --- |
| Price | $5.99 | **$1.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/dbmeter-pro/id296264086/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/ring-sizer-pro/id1064173293/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 56.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 6 MB | 2 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Matthias Schorer](https://appshunter.io/developer/290579382) | [Mike Melnikov](https://appshunter.io/developer/398340766) |

## What reviewers say

### dBMeter Pro

[App page](https://appshunter.io/ios/app/dbmeter-pro/id296264086)

This application transforms your iPhone into a sound level meter for analyzing ambient noise or testing audio equipment. It offers dual-input measurement, a contextual reference guide, and long-term data logging up to 12 hours. Data can be exported for further analysis.

**Highlights:** Dual-input measurement, Contextual reference guide, Long-term data logging, CSV data export, External microphone support

**In-app purchases:** none


### Ring Sizer Pro

[App page](https://appshunter.io/ios/app/ring-sizer-pro/id1064173293)

Easily determine your jewelry ring size with this accurate tool. It offers multiple measurement units, visual guides, and supports numerous international sizing systems. Share your findings effortlessly.

**Highlights:** Metric and imperial units, Diameter or circumference measurement, Visual guides for precision, Shareable results, Multiple international sizing systems, Wide size range support

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is dBMeter Pro free?

dBMeter Pro costs $5.99, with no in-app purchases.

### Is Ring Sizer Pro free?

Ring Sizer Pro costs $1.99, with no in-app purchases.

### Which has better reviews, dBMeter Pro or Ring Sizer Pro?

dBMeter Pro is rated higher. dBMeter Pro averages 5.0 out of 5 from 2 ratings, while Ring Sizer Pro averages 2.0 from 1 ratings.

### Do dBMeter Pro or Ring Sizer Pro have ads?

Neither dBMeter Pro nor Ring Sizer Pro shows ads.

### Which is updated more often, dBMeter Pro or Ring Sizer Pro?

dBMeter Pro ships an update every 5 months, and Ring Sizer Pro every 4 months. Most recently, dBMeter Pro was updated on October 31, 2026 and Ring Sizer Pro on November 1, 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.*