# logSPL vs Piano Sight Training

The clearest difference is price: Piano Sight Training at Free against logSPL's $1.99. Piano Sight Training also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (12.0 vs 15.2). logSPL's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Piano Sight Training is free to download; logSPL costs $1.99 up front. Piano Sight Training sells 2 in-app purchases, starting at $1.99 per 7 days. logSPL asks for nothing beyond the download.

logSPL ships an update every 4 months, Piano Sight Training fortnightly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | logSPL | Piano Sight Training |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/logspl/id491999427/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 1 MB | 32 MB |
| Requires iOS | 15.2 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fabien Lefebvre](https://appshunter.io/developer/338004167) | [Dan Arfi](https://appshunter.io/developer/1732517253) |

## What reviewers say

### logSPL

[App page](https://appshunter.io/ios/app/logspl/id491999427)

This app functions as a sophisticated sound level meter, offering both basic and advanced features for measuring noise. It allows users to adjust update rates, select weighting types, and view historical data and real-time histograms. Calibration is recommended for optimal accuracy.

**Highlights:** Sound level measurement, Adjustable update rates (fast/slow), Weighting options (A, C, Z), Min/max value monitoring, Average value computation (Leq), Historical curve with grid, Real-time histogram, Dosemetering capabilities

**Features:** Vision Pro support

**In-app purchases:** none


### Piano Sight Training

[App page](https://appshunter.io/ios/app/piano-sight-training/id6566196725)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly subscription | $1.99 | per 7 days |
| yearly subscription | $12.99 | per year |


## Frequently asked questions

### Is logSPL free?

logSPL costs $1.99, with no in-app purchases.

### Is Piano Sight Training free?

Piano Sight Training is free to download, with in-app purchases available.

### Do logSPL or Piano Sight Training have ads?

Neither logSPL nor Piano Sight Training shows ads.

### Which is updated more often, logSPL or Piano Sight Training?

logSPL ships an update every 4 months, and Piano Sight Training fortnightly. Most recently, logSPL was updated on October 8, 2026 and Piano Sight Training on October 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.*