Castos vs Sartorius Events
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Castos
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.
- Unified private podcast access
- Magic Link login
- Customizable playback speed
- Skip forward/backward controls
- View episode show notes
- Streaming only (no downloads)
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Listen to all of your favorite private podcasts in one place with the Castos app. Log in once with your email and instantly access all of the Castos private podcasts you've been invited to. Great for internal company podcasts, for membership sites, courses, and online communities, and even local organizations who want to share information only with a select group of listeners. Save yourself the trouble of trying to manage multiple private RSS feeds, and clunky 3rd party listening experiences, and get all your private podcast content in one easy-to-access app. If a private podcast you're subscribed to is hosted on the Castos platform then it will be instantly available to you as soon as you log into the Castos app. With private podcasting, companies can: - Share latest updates from the leadership team - Connect remote employees with the home office - Communicate best practices to sales teams - Improve and sustain employee engagement - Help with the transition to remote work while staying connected Online Communities, membership sites, and courses can use private podcasting to: - Repurpose written or video content into audio format - Share long-form content in an easy-to-consume, mobile, asynchronous manner - Create additional ways to deliver value with their members - Stand out from the competition with higher engagement with students and audience App Features: - Customizable playback speed. - Skip forward 30s and backwards 10s with just a tap. - Easily view episode show notes and resources. - Security focused: streaming only, no download allowed for listeners. - Persistent playback bar in the bottom of the screen for easy access. - Easy to use, Magic Link login - no password to remember (or forget). - View new, unplayed episodes, and ones you've already listened to. Privacy Policy: https://castos.com/privacy
Sartorius Events
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Discover a seamless on-site event experience with the Sartorius Event App. This app serves as your comprehensive guide to upcoming on-site Sartorius events, offering detailed information about the agenda, locations, speakers, and more. Stay in the loop with real-time updates, announcements, and notifications. You can also share your event experience and provide valuable feedback through in-app surveys. This app is intended for registered attendees of on-site Sartorius events. Some features may require login for access.
Screenshots
Verdict
The clearest difference is update cadence: Castos at every 2 months against Sartorius Events's every 13 months. Sartorius Events's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Castos ships an update every 2 months, Sartorius Events every 13 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Castos | Sartorius Events |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (43 ratings) — better | — |
| Positive reviews | 24.2% of reviews | — |
| Number of ratings | 43 — better | — |
| Update frequency | Every 2 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 50 MB | 48 MB |
| Age rating | 4+ | 17+ |
| Developer | Castos | Sartorius AG |
In-app purchases
Castos
No in-app purchases
Sartorius Events
No in-app purchases
Questions
Is Castos free?
Is Sartorius Events free?
Do Castos or Sartorius Events have ads?
Which is updated more often, Castos or Sartorius Events?
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