# Decibel Meter vs WhichStats

The clearest difference is ads: WhichStats at none against Decibel Meter's shown. WhichStats also leads on iOS requirement (13.0 vs 15.0). Decibel Meter's advantage is update cadence (every 2 weeks vs every 3 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Decibel Meter sells 10 in-app purchases, starting at $3.99 per 7 days and WhichStats sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Decibel Meter ships an update every 2 weeks, WhichStats every 3 months. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Decibel Meter | WhichStats |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (347 ratings)](https://appshunter.io/ios/app/decibel-meter-sound-db/id1583767670/reviews)** | — |
| Number of ratings | **347** | — |
| Positive reviews | 81.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OV MEDIA](https://appshunter.io/developer/1634593107) | [Bezaleel Mambwe](https://appshunter.io/developer/967803874) |

## What reviewers say

### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-db/id1583767670)

Transform your device into a professional decibel meter to measure and track sound levels in real-time. Save measurements, view history charts, and set custom alerts for excessive noise. Useful for documenting sound exposure or identifying noise sources.

**Highlights:** Real-time decibel meter, Save and export noise measurements, Noise history charts, Customizable noise alerts, Offline functionality, SPL meter

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noise Level Premium | $3.99 | per 7 days |
| Noise Level Premium | $3.99 | per 7 days |
| Noise Level Premium | $4.99 | per 7 days |
| Noise Level Premium | $7.99 | per 7 days |
| Noise Level Premium | $7.99 | per 7 days |
| Noise Level Premium | $9.99 | per 7 days |
| Noise Level Premium | $14.99 | per 7 days |
| Noise Level Premium | $14.99 | per 7 days |
| Noise Level Premium | $19.99 | per year |
| Noise Level Premium | $49.99 | per year |

**What reviewers like**

- 👍 Accurate measurements
- 🚀 Easy to use
- 📊 Detailed data tracking
- 🔔 Helpful alerts
- 🔍 Versatile monitoring

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Inconsistent readings
- 🤔 Questionable accuracy

**Reported bugs**

- Unresponsive in loud environments
- Erratic gauge behavior

**Requested features**

- Reset measurement history
- Customizable alert thresholds
- Expanded data export options


### WhichStats

[App page](https://appshunter.io/ios/app/whichstats/id6759348199)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhichStats Pro Monthly | $1.99 | per month |
| WhichStats Pro Annual | $14.99 | per year |


## Frequently asked questions

### Is Decibel Meter free?

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

### Is WhichStats free?

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

### Do Decibel Meter or WhichStats have ads?

Decibel Meter shows ads; WhichStats does not.

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

Decibel Meter ships an update every 2 weeks, and WhichStats every 3 months. Most recently, Decibel Meter was updated on October 30, 2026 and WhichStats on October 25, 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.*