# i Sound Level Meter vs Wind Triangle

The clearest difference is price: i Sound Level Meter at Free against Wind Triangle's $2.99. i Sound Level Meter also leads on iOS requirement (13.0 vs 17.6). Wind Triangle's advantage is ads (none vs shown). On update cadence, in-app purchases and device support there is nothing between them.

i Sound Level Meter is free to download; Wind Triangle costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | i Sound Level Meter | Wind Triangle |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (38 ratings)](https://appshunter.io/ios/app/i-sound-level-meter/id912170360/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 7 MB | 1 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [EONSOFT](https://appshunter.io/developer/899851112) | [Small Aviation Tools](https://appshunter.io/developer/1887792413) |

## What reviewers say

### i Sound Level Meter

[App page](https://appshunter.io/ios/app/i-sound-level-meter/id912170360)

Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.

**Highlights:** Measures ambient noise levels, Tracks maximum noise values, Tracks minimum noise values, Displays noise measurements

**Features:** Vision Pro support

**In-app purchases:** none


### Wind Triangle

[App page](https://appshunter.io/ios/app/wind-triangle/id6761390120)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is i Sound Level Meter free?

i Sound Level Meter is free to download, with no in-app purchases.

### Is Wind Triangle free?

Wind Triangle costs $2.99, with no in-app purchases.

### Do i Sound Level Meter or Wind Triangle have ads?

i Sound Level Meter shows ads; Wind Triangle does not.

### Which is updated more often, i Sound Level Meter or Wind Triangle?

i Sound Level Meter ships an update every 2 months, and Wind Triangle every 2 months. Most recently, i Sound Level Meter was updated on October 24, 2026 and Wind Triangle on October 17, 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.*