# Sound Recognition vs i

The clearest difference is ads: i at none against Sound Recognition's shown. Sound Recognition's advantage is update cadence (every 2 weeks vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Sound Recognition ships an update every 2 weeks, i every 5 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | Sound Recognition | i |
| --- | --- | --- |
| 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 | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 36 MB | 1 MB |
| Requires iOS | 15.8.3 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Akos Koppany Csuta](https://appshunter.io/developer/1801611218) |

## What reviewers say

### 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


### i

[App page](https://appshunter.io/ios/app/i-control/id6743140364)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sound Recognition free?

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

### Is i free?

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

### Do Sound Recognition or i have ads?

Sound Recognition shows ads; i does not.

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

Sound Recognition ships an update every 2 weeks, and i every 5 months. Most recently, Sound Recognition was updated on October 30, 2026 and i on October 30, 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.*