# SPL Meter vs ALMiG Air Calc

The clearest difference is in-app purchases: ALMiG Air Calc at none against SPL Meter's 2. ALMiG Air Calc also leads on iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SPL Meter sells 2 in-app purchases, starting at $1.99 per 7 days. ALMiG Air Calc asks for nothing beyond the download.

## The numbers

| Metric | SPL Meter | ALMiG Air Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686/reviews)** | — |
| Number of ratings | **11** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 23 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [金红 李](https://appshunter.io/developer/1781133144) | [INFO WEB s.r.o.](https://appshunter.io/developer/1114065010) |

## What reviewers say

### SPL Meter

[App page](https://appshunter.io/ios/app/spl-meter-dbtracker/id6742470686)

This tool measures ambient noise levels in real-time, providing decibel readings to help you understand noise intensity and protect your hearing. It features an intuitive gauge, explanations of noise levels, and recording capabilities to track variations across locations and times.

**Highlights:** Real-time decibel measurement, Intuitive gauge display, Noise level explanations, Recording functionality, Track noise variations, Hearing protection guidance

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $9.99 | per year |


### ALMiG Air Calc

[App page](https://appshunter.io/ios/app/almig-air-calc/id6782614191)

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

**In-app purchases:** none


## Frequently asked questions

### Is SPL Meter free?

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

### Is ALMiG Air Calc free?

ALMiG Air Calc is free to download, with no in-app purchases.

### Do SPL Meter or ALMiG Air Calc have ads?

Neither SPL Meter nor ALMiG Air Calc shows ads.

---

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