# صلة | Sila vs Echo

The clearest difference is in-app purchases: صلة | Sila at none against Echo's 2. صلة | Sila also leads on update cadence (daily vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Echo sells 2 in-app purchases, starting at $4.99 per month. صلة | Sila asks for nothing beyond the download.

صلة | Sila ships an update daily, Echo weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | صلة | Sila | Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Size | 50 MB | 52 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Suliman Alfowzan](https://appshunter.io/developer/1885929422) | [Khaled Almare](https://appshunter.io/developer/1895344294) |

## What reviewers say

### صلة | Sila

[App page](https://appshunter.io/ios/app/sila/id6762495046)

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

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-ai-prompt-library/id6783035728)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Premium | $4.99 | per month |
| Echo Premium | $49.99 | per year |


## Frequently asked questions

### Is صلة | Sila free?

صلة | Sila is free to download, with no in-app purchases.

### Is Echo free?

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

### Do صلة | Sila or Echo have ads?

Neither صلة | Sila nor Echo shows ads.

### Which is updated more often, صلة | Sila or Echo?

صلة | Sila ships an update daily, and Echo weekly. Most recently, صلة | Sila was updated on October 25, 2026 and Echo 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.*