Comparison

Streamster vs Castream

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Streamster

This app provides a comprehensive solution for live streamers to multistream from their mobile devices. It supports both portrait and landscape modes, integrates YouTube comments for audience engagement, and allows remote control of computer-based streams.

Highlights
  • Multistream to multiple platforms
  • Portrait and landscape mode support
  • Integrated YouTube comments
  • Remote control for computer streaming
  • Mobile live streaming solution
Features
Read full description

Take control of your live streams with ease and flexibility! Our app offers a complete streaming solution for creators looking to multistream from their mobile devices. Whether you're streaming in portrait or landscape mode, we've got you covered with seamless integration. Key Features: Multistream Capabilities: Stream to multiple platforms simultaneously from your mobile device. Multistreaming to 2 destinations is free. Portrait & Landscape Mode: Switch between modes with ease to suit your streaming style. Integrated YouTube Comments: Engage with your audience directly by reading and responding to YouTube comments in real-time. Remote Control for Computer Streaming: Use your smartphone as a remote control to manage your streams from a connected computer—perfect for adjusting settings without missing a beat on camera. Empower your content creation with a streaming tool that adapts to your needs. Whether you're live streaming on the go or controlling a more complex setup, our app makes it all possible.

About

Castream

This app transforms your phone into a professional live broadcasting studio. Stream to multiple platforms simultaneously with real-time overlays, AI-powered tools, and unified chat. It's designed for easy, high-quality multistreaming.

Highlights
  • Multistreaming to multiple platforms
  • Real-time overlays and Picture-in-Picture
  • Unified live chat with AI insights
  • Scheduled broadcasts and stream recording
  • AI title & description generator
  • Camera filters and voice effects
Read full description

Castream makes going live incredibly easy — turning your phone into a complete live broadcasting studio. Whether you're a creator, musician, pastor, journalist, gamer, or anyone with something to share, you can stream to YouTube, Facebook, Twitch, and any RTMP-compatible platform — including TikTok Live and Instagram Live — simultaneously, straight from your phone. Now with screen capture, real-time overlays, AI-powered tools, and scheduled broadcasts. Perfect for anyone who wants professional multistreaming without the complexity. What’s inside: • Multistreaming — Go live to YouTube, Facebook, Twitch, TikTok Live (RTMP), Instagram Live (RTMP), and custom destinations simultaneously • Screen Capture — Broadcast your phone’s screen for gaming, tutorials, presentations, and more • Picture-in-Picture (PIP) — Use front and back camera together and position it on screen • Live Broadcasting Studio — Add overlays, lower thirds, and customize your stream in real time • Live Location Overlay — Show where you’re streaming from or set a custom location • Camera Filters & Voice Effects — Add visual styles and experimental voice filters • Unified Live Chat — View messages from YouTube, Facebook, and Twitch in one feed • Chat Insights (AI) — Get post-stream summaries and insights across platforms • Chat Operator Mode — Separate streaming and chat moderation across devices • AI Title & Description Generator — Instantly improve your stream metadata • Scheduled Video Broadcasts — Upload a video, set a time, and go live automatically • Stream Recording — Every stream is recorded and saved for 30 days • 1080p or 720p — Choose your preferred resolution • Portrait & Landscape Support — Stream in any orientation • Ultra-Low Latency — Smooth, reliable video • Synced Audio & Video — No drift • Auto Bitrate — Adapts to your network automatically • No Watermarks — Clean, professional output • Mobile-First Design — Built for performance on your phone • Public Profile — Share your streams at castream.io/@handler and view insights Free to use. Upgrade only if you need more. Go live everywhere with one tap. By using this app, you agree to Apple’s standard [Terms of Use (EULA)](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/).

Screenshots

Streamster4 screens
Castream4 screens

Verdict

The call

The clearest difference is rating: Castream at 5.0 against Streamster's 4.2. Castream also leads on update cadence (every 4 days vs every 4 months) and review sentiment (100% vs 75%). Streamster's advantage is in-app purchases (none vs 4) and ratings volume (12 vs 1). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Castream sells 4 in-app purchases, starting at $12.99 per month. Streamster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Castream holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Streamster has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Streamster's written reviews are positive against 100% of Castream's.

UpkeepUpdate frequency

Streamster ships an update every 4 months, Castream every 4 days. Both last shipped on October 14, 2026.

Scorecard7 real differences · 3 level
Streamster versus Castream: the parameters behind the verdict, then further details
ParameterStreamsterCastream
PriceFreeFree
Rating4.2 (12 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings12 — better1
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.4 — better15.6
Further details — not scored
Size35 MB101 MB
Age rating4+17+
DeveloperStreamster OUPik Technologies LLC

Customer experience

Streamster

All ratings12 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews8 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Castream

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Streamster

No in-app purchases

4 purchases

Castream

Subscriptions4
  • Creator Plan Monthly$12.991 Month
  • Pro Plan Monthly$19.991 Month
  • Creator Plan Yearly$129.991 Year
Show 1 more
  • Pro Plan Yearly$199.991 Year

Questions

Is Streamster free?
Streamster is free to download, with no in-app purchases.
Is Castream free?
Castream is free to download, with in-app purchases available.
Which has better reviews, Streamster or Castream?
Castream is rated higher. Streamster averages 4.2 out of 5 from 12 ratings, while Castream averages 5.0 from 1 ratings.
Do Streamster or Castream have ads?
Neither Streamster nor Castream shows ads.
Which is updated more often, Streamster or Castream?
Streamster ships an update every 4 months, and Castream every 4 days. Most recently, Streamster was updated on October 14, 2026 and Castream on October 14, 2026.

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