Comparison

Castream vs Overlay Expert

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

Head to head
About

Castream

Transform your phone into a live broadcasting studio and an AI-powered shorts editor. Stream simultaneously to multiple platforms and automatically generate captioned vertical clips from your best moments for social media.

Highlights
  • Multistreaming to multiple platforms
  • AI-generated vertical video clips with captions
  • Stream camera or phone screen
  • Real-time overlays and filters
  • Unified chat across platforms
  • Scheduled broadcasts
Read full description

Castream turns your phone into a live studio, and now into a shorts editor too. Go live to YouTube, Facebook, Twitch and any RTMP platform at the same time, then let AI Shorts turn the best moments into captioned vertical clips, ready to post on TikTok, Instagram Reels and YouTube Shorts. NEW: AI SHORTS • Finds your best moments: Castream listens to your video, reads your chat and picks the moments worth sharing • Vertical clips with captions: up to 60 seconds each, word-by-word captions and a hook to open • Any video: your streams, a video from your phone, or a Google Drive, Dropbox or direct video link • Caption styles and editor: pick a look, drag the captions where you want them, fix any word and update the short for free • Share anywhere: save to your phone or share straight to your apps, with the title and hashtags copied for you • Included with Creator (50 credits a month) and Pro (200 credits a month). 1 credit = 1 minute of video GO LIVE EVERYWHERE • Multistreaming: YouTube, Facebook, Twitch, TikTok Live and Instagram Live (with an RTMP key), and custom RTMP destinations, all at once • Camera, screen, or both: stream your camera, broadcast your phone's screen for gaming, tutorials and demos, or use front and back cameras together with picture-in-picture • Keep streaming when you switch apps • Scheduled broadcasts: upload a video, pick a time, and it goes live on its own YOUR LIVE STUDIO • Overlays and lower thirds, edited in real time • Live location overlay • Camera filters and voice effects • Portrait and landscape CHAT AND CO-PILOT • One chat for YouTube, Facebook and Twitch • Moderator mode: run chat from a second device with a QR code • Copilot: control a stream running on another device AFTER THE STREAM • Recordings kept for 30 days (Creator and Pro) • Chat Insights: AI summaries of what your audience loved (paid plans) • AI titles and descriptions for your streams • Public profile at castream.io/@yourname BUILT FOR QUALITY • Up to 1080p (Pro) or 720p • Auto bitrate that adapts to your network • Low latency, with audio and video in sync • No watermark on paid plans Free to start. Upgrade when you need more. Go live everywhere, then post the best part. By using this app, you agree to Apple’s standard [Terms of Use (EULA)](https://www.apple.com/legal/internet-services/itunes/dev/stdeula/).

About

Overlay Expert

Transform your iPhone into a professional streaming tool for consoles and IRL content. Easily add polished overlays, branding, and alerts to your broadcasts without a PC or capture card. Stream directly to platforms like Twitch and YouTube in high definition.

Highlights
  • Console streaming via Wi-Fi
  • IRL streaming from iPhone camera
  • Discord party chat integration
  • 1080p 60 FPS streaming
  • Customizable overlays and branding
  • Animated alerts
  • PC-free setup
Read full description

Turn your iPhone into a capture card and make your console streams look professional with Overlay Expert, the easiest way to add polished overlays and on-screen branding to your PlayStation or Xbox stream. It's not just for consoles: go live IRL with the same overlays and alerts, straight from your iPhone. KEY BENEFITS • Free to stream. Broadcast your console through the app to Twitch, YouTube, TikTok or Kick in 1080p at 60 FPS. No capture card needed. • Stream more than your console. Go live IRL from your iPhone camera, with the same overlays and alerts. • Talk with your party on stream. Join your Discord voice channel from the app and mix party chat straight into your broadcast. • Boost engagement. Overlays and animated alerts draw attention and keep viewers interacting. • Strengthen your brand. Consistent on-screen logos and graphics make your channel memorable. • Save setup time. Get a pro look in seconds, no design skills required. HOW IT WORKS 1. For console streams, connect your console and iPhone to the same Wi-Fi network. For PlayStation, use PlayStation Remote Play or our dedicated DNS server. For Xbox, use Remote Play. 2. Open Overlay Expert, choose your overlay, and go live. For console, your game stream appears on your iPhone; for IRL, use the front or back camera. 3. Broadcast to Twitch, YouTube, TikTok or Kick with your overlay live on stream. FEATURES • PlayStation Remote Play and DNS connection options, so you can pick whatever works best for your setup. • Xbox Remote Play support. • IRL streaming from your iPhone camera, with overlays and alerts. • Discord party voice chat. Link your Discord account, join a voice channel, and hear and talk with your party while you stream, with party audio mixed into your broadcast. • Stream in 1080p at 60 FPS to Twitch, YouTube, TikTok and Kick. • Customizable overlays, logos and on-screen graphics. • Animated alerts to drive viewer interaction. • Fast, no-PC setup so you can go live straight from your iPhone. FREE AND SUBSCRIPTION OPTIONS Overlay Expert is free to download and stream, with an on-stream watermark. Optional monthly or yearly subscriptions unlock more: • Remove the on-stream watermark. • Add custom browser sources to bring overlays from tools like Streamlabs and StreamElements onto your console stream, no PC needed. Subscriptions renew automatically at the end of each month or year, depending on the plan, unless cancelled in your App Store account settings. Terms of use: https://overlay.expert/terms-of-use. Privacy policy: https://overlay.expert/privacy-policy. WHO IT'S FOR Overlay Expert is built for console gamers on PlayStation and Xbox who want a professional on-screen presence without a capture card, a PC, or hours of setup, plus IRL streamers who want the same polished look from their iPhone.

Screenshots

Castream4 screens
Overlay Expert4 screens

Verdict

The call

The clearest difference is iOS requirement: Castream at 15.6 against Overlay Expert's 26.0. On price, rating, ratings volume and update cadence 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 $7.99 per month and Overlay Expert sells 10 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Castream against 5.0 for Overlay Expert. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Castream ships an update every 5 days, Overlay Expert every 4 days. The most recent releases landed on November 14, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 9 level
Castream versus Overlay Expert: the parameters behind the verdict, then further details
ParameterCastreamOverlay Expert
PriceFreeFree
Rating5.0 (1 ratings)5.0 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 5 daysEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better26.0
Further details — not scored
Size110 MB80 MB
Age rating17+4+
DeveloperPik Technologies LLCOverlay Expert Inc

Customer experience

Castream

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

Overlay Expert

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

Castream

Subscriptions4
  • Creator Plan Monthly3 Days trial$7.991 Month
  • Pro Plan Monthly$12.991 Month
  • Creator Plan Yearly$79.991 Year
Show 1 more
  • Pro Plan Yearly3 Days trial$129.991 Year
10 purchases

Overlay Expert

Subscriptions4
  • Partner7 Days trial$4.991 Month
  • Expert7 Days trial$9.991 Month
  • Partner7 Days trial$49.991 Year
Show 1 more
  • Expert7 Days trial$99.991 Year
One-time6
  • Marketplace overlay ($5.99)$5.99
  • Marketplace overlay ($7.99)$7.99
  • Marketplace overlay ($9.99)$9.99
Show 3 more
  • Marketplace Overlay ($14.99)$14.99
  • Marketplace Overlay $19.99$19.99
  • Marketplace Overlay ($24.99)$24.99

Questions

Is Castream free?
Castream is free to download, with in-app purchases available.
Is Overlay Expert free?
Overlay Expert is free to download, with in-app purchases available.
Which has better reviews, Castream or Overlay Expert?
Castream and Overlay Expert are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.
Do Castream or Overlay Expert have ads?
Neither Castream nor Overlay Expert shows ads.
Which is updated more often, Castream or Overlay Expert?
Castream ships an update every 5 days, and Overlay Expert every 4 days. Most recently, Castream was updated on November 14, 2026 and Overlay Expert on November 5, 2026.

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