# Leda vs Sound Recognition

The clearest difference is ads: Leda at none against Sound Recognition's shown. Leda also leads on iOS requirement (8.0 vs 15.8.3). Sound Recognition's advantage is update cadence (every 2 weeks vs every 8 months). On price, 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.

Leda ships an update every 8 months, Sound Recognition every 2 weeks. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Leda | Sound Recognition |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sound-recognition/id6504954671/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 56 MB | 36 MB |
| Requires iOS | **8.0** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Omega software d.o.o](https://appshunter.io/developer/1241260236) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Leda

[App page](https://appshunter.io/ios/app/leda/id1420451337)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Recognition

[App page](https://appshunter.io/ios/app/sound-recognition/id6504954671)

This utility app notifies users with a screen change and light when a specific target voice is recognized. It also displays the most likely speech recognition result, including its type and evaluation value.

**Highlights:** Voice recognition alerts, Screen and light notification, Displays speech recognition results, Configurable recognition threshold

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Leda free?

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

### Is Sound Recognition free?

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

### Do Leda or Sound Recognition have ads?

Sound Recognition shows ads; Leda does not.

### Which is updated more often, Leda or Sound Recognition?

Leda ships an update every 8 months, and Sound Recognition every 2 weeks. Most recently, Leda was updated on October 9, 2026 and Sound Recognition on October 7, 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.*