# Silent AI vs Kai Sharing

The clearest difference is in-app purchases: Kai Sharing at none against Silent AI's 4. Kai Sharing also leads on update cadence (weekly vs every 3 weeks). Silent AI's advantage is iOS requirement (13.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. Silent AI sells 4 in-app purchases, starting at $1.99 per 7 days. Kai Sharing asks for nothing beyond the download.

Silent AI ships an update every 3 weeks, Kai Sharing weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Silent AI | Kai Sharing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (46 ratings)](https://appshunter.io/ios/app/silent-ai/id1577469934/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 8.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Subscription | — |
| Size | 56 MB | 23 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Hanshuang Technology Co., Ltd](https://appshunter.io/developer/1528130869) | [Seny Labs](https://appshunter.io/developer/1857416553) |

## What reviewers say

### Silent AI

[App page](https://appshunter.io/ios/app/silent-ai/id1577469934)

Enhance your environment with a variety of nature sounds and ambient audio. Control lighting, set sleep timers, and customize colors for a personalized atmosphere. This app is designed to be used with a compatible smart physical device.

**Highlights:** Night and forest sounds, Wave, rain, and thunder audio, Brook and bird singing sounds, Adjustable brightness, Set timer/sleep timer, Change colors

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Magical Lamp&Permium（weekly） | $1.99 | per 7 days |
| Silent AI & Premium(a month) | $1.99 | per month |
| Silent AI &Premium(six months) | $9.99 | per 6 months |
| Silent AI & Premium(a year) | $12.99 | per year |


### Kai Sharing

[App page](https://appshunter.io/ios/app/kai-sharing/id6755931543)

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

**In-app purchases:** none


## Frequently asked questions

### Is Silent AI free?

Silent AI is free to download, with in-app purchases available.

### Is Kai Sharing free?

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

### Do Silent AI or Kai Sharing have ads?

Neither Silent AI nor Kai Sharing shows ads.

### Which is updated more often, Silent AI or Kai Sharing?

Silent AI ships an update every 3 weeks, and Kai Sharing weekly. Most recently, Silent AI was updated on October 24, 2026 and Kai Sharing on October 25, 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.*