# Sound vs Keep Me Informed

The clearest difference is ads: Keep Me Informed at none against Sound's shown. On price, update cadence, 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.

Sound ships an update every 2 weeks, Keep Me Informed fortnightly. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Sound | Keep Me Informed |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Size | 36 MB | 92 MB |
| Requires iOS | 15.8.3 | **15.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Jesus Jimenez](https://appshunter.io/developer/1612123506) |

## What reviewers say

### Sound

[App page](https://appshunter.io/ios/app/sound-classification/id6504697264)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keep Me Informed

[App page](https://appshunter.io/ios/app/keep-me-informed/id6746662629)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sound free?

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

### Is Keep Me Informed free?

Keep Me Informed is free to download, with no in-app purchases.

### Do Sound or Keep Me Informed have ads?

Sound shows ads; Keep Me Informed does not.

### Which is updated more often, Sound or Keep Me Informed?

Sound ships an update every 2 weeks, and Keep Me Informed fortnightly. Most recently, Sound was updated on September 14, 2026 and Keep Me Informed on September 18, 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.*