# OpeNoise vs SnapPoll

The clearest difference is update cadence: SnapPoll at daily against OpeNoise's every 7 months. SnapPoll also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OpeNoise ships an update every 7 months, SnapPoll daily. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | OpeNoise | SnapPoll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/openoise/id1387499991/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Monetization | Free | — |
| Size | 12 MB | 86 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Arpa Piemonte](https://appshunter.io/developer/1317255035) | [Mobil80 Solutions and Services Private Limited](https://appshunter.io/developer/1450372355) |

## What reviewers say

### OpeNoise

[App page](https://appshunter.io/ios/app/openoise/id1387499991)

This application measures real-time sound pressure levels, displaying minimum and maximum values. It offers advanced analysis like third octave and FFT, with options to save data, calibrate, and share measurements with a community. Note: it is not intended for professional use.

**Highlights:** Real-time A-weighted sound pressure level measurement, Minimum and maximum level tracking, Third octave and FFT analysis, Data saving in text file, Calibration functionality, Measurements displayed on a map, Community sharing of calibration and measurements

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

**In-app purchases:** none


### SnapPoll

[App page](https://appshunter.io/ios/app/snappoll/id6761996393)

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

**In-app purchases:** none


## Frequently asked questions

### Is OpeNoise free?

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

### Is SnapPoll free?

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

### Do OpeNoise or SnapPoll have ads?

Neither OpeNoise nor SnapPoll shows ads.

### Which is updated more often, OpeNoise or SnapPoll?

OpeNoise ships an update every 7 months, and SnapPoll daily. Most recently, OpeNoise was updated on October 13, 2026 and SnapPoll on October 17, 2026.

---

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