# CastleBird vs noiz.to

The clearest difference is update cadence: CastleBird at every 3 months against noiz.to's every 16 months. noiz.to's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

CastleBird ships an update every 3 months, noiz.to every 16 months. The most recent releases landed on September 13, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | CastleBird | noiz.to |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 16 months |
| Size | 93 MB | 8 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [CastleBird](https://appshunter.io/developer/1689612442) | [Life flow AB](https://appshunter.io/developer/1530731830) |

## What reviewers say

### CastleBird

[App page](https://appshunter.io/ios/app/castlebird/id6449547159)

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

**In-app purchases:** none


### noiz.to

[App page](https://appshunter.io/ios/app/noizto/id6450180301)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CastleBird free?

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

### Is noiz.to free?

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

### Do CastleBird or noiz.to have ads?

Neither CastleBird nor noiz.to shows ads.

### Which is updated more often, CastleBird or noiz.to?

CastleBird ships an update every 3 months, and noiz.to every 16 months. Most recently, CastleBird was updated on September 13, 2026 and noiz.to on September 8, 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.*