# Sound Meter (SPL meter) vs SKSB SIRIS

The clearest difference is price: SKSB SIRIS at Free against Sound Meter (SPL meter)'s $0.99. SKSB SIRIS 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.

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

Sound Meter (SPL meter) ships an update every 6 weeks, SKSB SIRIS every 11 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sound Meter (SPL meter) | SKSB SIRIS |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 25 MB | 49 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [庆鸿 林](https://appshunter.io/developer/1558629938) | [MZR Global Sdn Bhd](https://appshunter.io/developer/1464115504) |

## 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 |


### SKSB SIRIS

[App page](https://appshunter.io/ios/app/sksb-siris/id6472432001)

**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 SKSB SIRIS free?

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

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

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

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

Sound Meter (SPL meter) ships an update every 6 weeks, and SKSB SIRIS every 11 days. Most recently, Sound Meter (SPL meter) was updated on October 24, 2026 and SKSB SIRIS on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*