# Sound Level Analyzer PRO vs iSense

The clearest difference is price: iSense at Free against Sound Level Analyzer PRO's $9.99. iSense also leads on update cadence (monthly vs every 6 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

iSense is free to download; Sound Level Analyzer PRO costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sound Level Analyzer PRO ships an update every 6 months, iSense monthly. The most recent releases landed on September 20, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Sound Level Analyzer PRO | iSense |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 1 MB | 90 MB |
| Requires iOS | 26.2 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [EDS](https://appshunter.io/developer/958590126) |

## What reviewers say

### Sound Level Analyzer PRO

[App page](https://appshunter.io/ios/app/sound-level-analyzer-pro/id1321243615)

**In-app purchases:** none


### iSense

[App page](https://appshunter.io/ios/app/isense/id1535795397)

**In-app purchases:** none


## Frequently asked questions

### Is Sound Level Analyzer PRO free?

Sound Level Analyzer PRO costs $9.99, with no in-app purchases.

### Is iSense free?

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

### Do Sound Level Analyzer PRO or iSense have ads?

Neither Sound Level Analyzer PRO nor iSense shows ads.

### Which is updated more often, Sound Level Analyzer PRO or iSense?

Sound Level Analyzer PRO ships an update every 6 months, and iSense monthly. Most recently, Sound Level Analyzer PRO was updated on September 20, 2026 and iSense on September 16, 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.*