# Silbato vs Whistlr

The clearest difference is iOS requirement: Silbato at 17.0 against Whistlr's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Silbato sells 1 in-app purchase, starting at $5.99 per year and Whistlr sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Silbato ships an update every 2 weeks, Whistlr every 9 days. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Silbato | Whistlr |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 7 MB | 10 MB |
| Requires iOS | **17.0** | 26.2 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Snacken](https://appshunter.io/developer/1636705471) | [Steven Clark](https://appshunter.io/developer/1819563597) |

## What reviewers say

### Silbato

[App page](https://appshunter.io/ios/app/silbato/id6473452472)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Year subscription  Pro | $5.99 | per year |


### Whistlr

[App page](https://appshunter.io/ios/app/whistlr/id6747310803)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free Trial | $4.99 | per year |


## Frequently asked questions

### Is Silbato free?

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

### Is Whistlr free?

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

### Do Silbato or Whistlr have ads?

Neither Silbato nor Whistlr shows ads.

### Which is updated more often, Silbato or Whistlr?

Silbato ships an update every 2 weeks, and Whistlr every 9 days. Most recently, Silbato was updated on October 18, 2026 and Whistlr on October 28, 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.*