# Castos vs Audstreamer

The clearest difference is in-app purchases: Castos at none against Audstreamer's 3. Castos also leads on iOS requirement (15.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Audstreamer sells 3 one-off in-app purchases. Castos asks for nothing beyond the download.

Castos ships an update every 2 months, Audstreamer every 4 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Castos | Audstreamer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (43 ratings)](https://appshunter.io/ios/app/castos/id1555924824/reviews)** | — |
| Number of ratings | **43** | — |
| Positive reviews | 24.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 50 MB | 27 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Castos](https://appshunter.io/developer/1555924826) | [Barna Nemeth](https://appshunter.io/developer/956673653) |

## What reviewers say

### Castos

[App page](https://appshunter.io/ios/app/castos/id1555924824)

Access all your invited private podcasts in one unified app. Stream company updates, course content, or community information without managing multiple RSS feeds. Enjoy a secure, streamlined listening experience with easy login and playback controls.

**Highlights:** Unified private podcast access, Magic Link login, Customizable playback speed, Skip forward/backward controls, View episode show notes, Streaming only (no downloads)

**Features:** Vision Pro support

**In-app purchases:** none


### Audstreamer

[App page](https://appshunter.io/ios/app/audstreamer/id6503644817)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $0.99 | one-time |
| Capuccino | $1.99 | one-time |
| Caramel Macchiato | $7.99 | one-time |


## Frequently asked questions

### Is Castos free?

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

### Is Audstreamer free?

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

### Do Castos or Audstreamer have ads?

Neither Castos nor Audstreamer shows ads.

### Which is updated more often, Castos or Audstreamer?

Castos ships an update every 2 months, and Audstreamer every 4 weeks. Most recently, Castos was updated on October 14, 2026 and Audstreamer on October 7, 2026.

---

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