# Open Sound Meter vs LSV Tempo

The clearest difference is price: LSV Tempo at Free against Open Sound Meter's $69.99. LSV Tempo also leads on update cadence (every 2 weeks vs every 2 months). Open Sound Meter's advantage is iOS requirement (12.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

LSV Tempo is free to download; Open Sound Meter costs $69.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Open Sound Meter ships an update every 2 months, LSV Tempo every 2 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Open Sound Meter | LSV Tempo |
| --- | --- | --- |
| Price | $69.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/open-sound-meter/id1552933259/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 45 MB | 4 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Pavel Smokotnin](https://appshunter.io/developer/1552933261) | [Ramiro Contreras Leon](https://appshunter.io/developer/1581526545) |

## What reviewers say

### Open Sound Meter

[App page](https://appshunter.io/ios/app/open-sound-meter/id1552933259)

This application allows real-time tuning and control of audio systems. It provides comprehensive measurement and analysis tools for various audio parameters, with options to store, adjust, and average results. Calibration files and direct console connections enhance measurement accuracy.

**Highlights:** Real-time audio system tuning, Spectrum, SPL, Magnitude, Phase analysis, Store, adjust, and average measurements, Apply calibration files for microphones, Direct connection to mixing consoles, Project saving to device or iCloud

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

**In-app purchases:** none


### LSV Tempo

[App page](https://appshunter.io/ios/app/lsv-tempo/id6743356806)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Open Sound Meter free?

Open Sound Meter costs $69.99, with no in-app purchases.

### Is LSV Tempo free?

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

### Do Open Sound Meter or LSV Tempo have ads?

Neither Open Sound Meter nor LSV Tempo shows ads.

### Which is updated more often, Open Sound Meter or LSV Tempo?

Open Sound Meter ships an update every 2 months, and LSV Tempo every 2 weeks. Most recently, Open Sound Meter was updated on October 24, 2026 and LSV Tempo on October 10, 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.*