# Scan2Ring vs Decibel Meter

The clearest difference is update cadence: Decibel Meter at every 3 weeks against Scan2Ring's every 2 months. Decibel Meter also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Scan2Ring sells 8 in-app purchases, starting at $0.99 per year and Decibel Meter sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Scan2Ring ships an update every 2 months, Decibel Meter every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Scan2Ring | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (10 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id6482288270/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 32 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SCAN2RING LIMITED](https://appshunter.io/developer/1415559347) | [Bustgrow Ltd](https://appshunter.io/developer/1729557461) |

## What reviewers say

### Scan2Ring

[App page](https://appshunter.io/ios/app/scan2ring/id6472387207)

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plan 1-4 | $0.99 | per year |
| Plan 3-7 | $2.99 | per year |
| Plan 5-10 | $4.99 | per year |
| Plan 10-15 | $9.99 | per year |
| 10 video tokens | $0.99 | one-time |
| 20 video tokens | $1.79 | one-time |
| 40 video tokens | $2.99 | one-time |
| 100 video tokens | $6.49 | one-time |


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-analyzer/id6482288270)

Measure and understand ambient noise levels with this intuitive tool. It provides instant decibel readings, logs historical data with notes, and offers visual and auditory representations of sound. Ideal for ensuring safety, monitoring environments, or protecting hearing.

**Highlights:** Instant dB readings, Historical data logging, Add personal notes to recordings, Simple and intuitive interface, Real-time audio analysis, Visual and auditory sound representation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $4.99 | per month |
| Premium Access | $39.99 | per year |


## Frequently asked questions

### Is Scan2Ring free?

Scan2Ring is free to download, with in-app purchases available.

### Is Decibel Meter free?

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

### Do Scan2Ring or Decibel Meter have ads?

Neither Scan2Ring nor Decibel Meter shows ads.

### Which is updated more often, Scan2Ring or Decibel Meter?

Scan2Ring ships an update every 2 months, and Decibel Meter every 3 weeks. Most recently, Scan2Ring was updated on October 24, 2026 and Decibel Meter on October 24, 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.*