Comparison

B/air vs CastOn

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

Head to head
About

B/air

Features
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About

CastOn

Easily share your iPhone screen with others on a larger display. Stream photos, videos, browser content, or even use it as a live camera feed. Features a collaborative whiteboard for shared creativity.

Highlights
  • Screen mirroring for all iPhone content
  • Cast photos and videos to TV
  • Interactive whiteboard mode
  • Live camera streaming to TV
  • Browser mirroring for shared browsing
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Meet CastOn—the screen-mirroring app that puts your iPhone on the big screen with a single tap. Still squinting at a tiny iPhone screen while everyone crowds around? CastOn wirelessly connects to your Smart TV over WiFi, so you can share TikTok, YouTube, photos, and more without passing your phone around. No cables, no setup headaches—just tap and go big. Perfect for movie nights, family gatherings, or game nights, CastOn turns every moment into one worth sharing. With CastOn, you can: • Turn solo scrolling into something everyone can enjoy. Instantly stream TikTok, YouTube, and personal media on any Smart TV and share your favorite content on the big screen. • Upgrade your game nights. Give board games a modern twist with an interactive Whiteboard that turns your television into a virtual playground for unforgettable fun with family and friends. • Find movies you'll love faster. Let AI recommend and cast movies tailored to your interests, so movie night starts in seconds—no long searches required. • Bring live events to your living room. Watch live streams and local events on your main screen and feel closer to the action as it unfolds. • Enjoy lag-free mirroring, every time. Broadcast crisp HD video and audio straight to your TV in a single tap, with perfect synchronization and zero delays. • Keep your data private. Local network streaming mirrors your screen directly to your TV, keeping your personal data on your devices—not on our servers. SCREEN MIRRORING Mirror your entire iPhone to your TV in real time—TikTok feeds, YouTube videos, your browser, and more. Full HD, perfect sync, zero delays. PHOTO & VIDEO CAST Send your camera roll straight to the TV without handing your phone around. Birthday moments, travel snaps, funny clips—right there for everyone to see. You can still check messages and use your phone while casting. WHITEBOARD Draw on your iPhone and watch it appear on your TV instantly. Sketch out a party plan, brainstorm a project, or play tic-tac-toe with the kids. The bigger the canvas, the bolder the ideas. LIVE STREAM Turn your iPhone into a live camera feed for your TV. Monitor another room, keep tabs on your pets, or stream local events and live happenings straight to your living room screen. AI MOVIE PICKS Not sure what to watch? CastOn's AI recommends movies based on your taste and casts them instantly—so movie night starts the moment you're ready. Download CastOn now and turn every shared moment into a big-screen experience! FAQ Q: Do I need cables or special equipment? A: No. Just connect your iPhone and TV to the same WiFi network—that's all it takes. Q: Is the mirroring smooth and high-quality? A: Yes. CastOn streams crisp HD video and audio over your local network with no lag. Q: Is my personal data safe? A: Absolutely. All streaming happens locally between your devices, so your data never passes through our servers. UNLIMITED ACCESS Subscribe for unlimited access to all app features. Subscriptions are billed automatically based on your selected plan. By using CastOn, you agree to our Privacy Policy and Terms of Use: https://epicscale.io/mirror_ios/privacy https://epicscale.io/mirror_ios/terms

Screenshots

B/air4 screens
CastOn4 screens

Verdict

The call

The clearest difference is in-app purchases: B/air at none against CastOn's 11. B/air also leads on ads (none vs shown) and iOS requirement (12.3 vs 16.0). On price, update cadence 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. CastOn sells 11 in-app purchases, starting at $4.99 per 7 days. B/air asks for nothing beyond the download.

UpkeepUpdate frequency

B/air ships an update every 6 weeks, CastOn every 4 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
B/air versus CastOn: the parameters behind the verdict, then further details
ParameterB/airCastOn
PriceFreeFree
Rating—4.5 (5.6K ratings) — better
Positive reviews—36.2% of reviews
Number of ratings—5.6K — better
Update frequencyEvery 6 weeksEvery 4 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.3 — better16.0
Further details — not scored
Size37 MB60 MB
Age rating4+4+
DeveloperBOSSPLAST d.o.o.EpicScale Inc

Bugs and requests

B/air

Not enough reviews yet to summarise bugs or requests.

CastOn

Reported bugs

2 issues
  • Doesn't cast iPhone to LG tv
  • Unsuccessful screen sharing

Requested features

1 request
  • Sound transfer to TV

In-app purchases

None

B/air

No in-app purchases

11 purchases

CastOn

Subscriptions9
  • Weekly Plan3 Days trial$4.997 Days
  • Weekly Plan$4.997 Days
  • Weekly Plan3 Days trial$5.997 Days
Show 6 more
  • Weekly Premium$5.997 Days
  • Weekly Plan3 Days trial$6.997 Days
  • Weekly Plan$6.997 Days
  • Yearly Plan$19.991 Year
  • Annually Plan$29.991 Year
  • Annually Plan$39.991 Year
One-time2
  • Lifetime access$1.99
  • Lifetime access$4.99

Questions

Is B/air free?
B/air is free to download, with no in-app purchases.
Is CastOn free?
CastOn is free to download, with in-app purchases available.
Do B/air or CastOn have ads?
CastOn shows ads; B/air does not.
Which is updated more often, B/air or CastOn?
B/air ships an update every 6 weeks, and CastOn every 4 weeks. Most recently, B/air was updated on October 27, 2026 and CastOn on October 30, 2026.

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