# Sound Meter (SPL meter) vs Wavemini

The clearest difference is price: Wavemini at Free against Sound Meter (SPL meter)'s $0.99. Wavemini also leads on in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Wavemini is free to download; Sound Meter (SPL meter) costs $0.99 up front. Sound Meter (SPL meter) sells 1 one-off in-app purchase. Wavemini asks for nothing beyond the download.

Sound Meter (SPL meter) ships an update every 6 weeks, Wavemini every 2 weeks. The most recent releases landed on October 15, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Sound Meter (SPL meter) | Wavemini |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 25 MB | 7 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [庆鸿 林](https://appshunter.io/developer/1558629938) | [Alok Maurya](https://appshunter.io/developer/1794058003) |

## What reviewers say

### Sound Meter (SPL meter)

[App page](https://appshunter.io/ios/app/sound-meter-spl-meter/id1558634102)

This utility app uses your device's microphone to measure ambient noise levels in decibels. It displays readings with graphical representations and provides historical data like minimum, average, and maximum values. Calibration options are available for different devices.

**Highlights:** Measures noise in decibels (dB), Displays decibel readings on a gauge, Shows current, min, avg, and max dB values, Graphs decibel levels over time, Tracks elapsed time of measurements, Allows device-specific decibel calibration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | one-time |


### Wavemini

[App page](https://appshunter.io/ios/app/wavemini/id6741412174)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sound Meter (SPL meter) free?

Sound Meter (SPL meter) costs $0.99, and also offers in-app purchases.

### Is Wavemini free?

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

### Do Sound Meter (SPL meter) or Wavemini have ads?

Sound Meter (SPL meter) shows ads; Wavemini does not.

### Which is updated more often, Sound Meter (SPL meter) or Wavemini?

Sound Meter (SPL meter) ships an update every 6 weeks, and Wavemini every 2 weeks. Most recently, Sound Meter (SPL meter) was updated on October 15, 2026 and Wavemini on September 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.*