# Adio.fm vs Castria

The clearest difference is iOS requirement: Adio.fm at 14.0 against Castria's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Adio.fm | Castria |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Free |
| Size | 29 MB | 47 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Juan Manuel Ortega Segui](https://appshunter.io/developer/1707819798) | [Extroverted Developer, LLC](https://appshunter.io/developer/879103427) |

## What reviewers say

### Adio.fm

[App page](https://appshunter.io/ios/app/adiofm/id6670161963)

**Features:** macOS Compatibility

**In-app purchases:** none


### Castria

[App page](https://appshunter.io/ios/app/castria/id6773306883)

This podcast app automatically removes ads, sponsor reads, and commercial breaks from episodes. It also offers AI-powered summaries, searchable transcripts, and chapter navigation for a seamless listening experience. Enjoy offline playback and cross-device syncing for free.

**Highlights:** Automatic ad skipping, AI episode summaries, Searchable transcripts, Tap-to-jump topics, Offline downloads, Cross-device syncing

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

**In-app purchases:** none


## Frequently asked questions

### Is Adio.fm free?

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

### Is Castria free?

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

### Do Adio.fm or Castria have ads?

Neither Adio.fm nor Castria shows ads.

### Which is updated more often, Adio.fm or Castria?

Adio.fm ships an update every 2 weeks, and Castria every 2 weeks. Most recently, Adio.fm was updated on October 2, 2026 and Castria on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*