CastLink vs WhatToWatch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CastLink
Discover connections between actors and movies. Find shared films for two actors or common cast members for two titles. Play a game to explore the entertainment world's interconnectedness.
- Find common movies between two actors
- Find common actors between two titles
- Play Six Degrees from Kevin Bacon
- Generate shareable links
- Fast search, no account needed
- Ad-free experience
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Search two actors to find the movies and shows they have both appeared in. Search two titles to find the actors they share. Or play Six Degrees from Kevin Bacon and see how closely connected the entertainment world really is. Whether you are settling an argument, following a cast rabbit hole, or just exploring for fun, CastLink makes it fast and easy to uncover shared connections across film and television. Features: • Find common movies and shows between two actors • Find common actors between two movies or shows • Play Six Degrees from Kevin Bacon • Generate shareable links for search results • Fast, simple search with no account required • Clean, focused experience with no ads CastLink is built for movie fans, TV fans, trivia lovers, and anyone who enjoys exploring the connections behind the cast. This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.
WhatToWatch
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WhatToWatch makes it effortless to decide what to watch next. Swipe through movies and TV shows, save the ones that catch your eye, and instantly see where to stream them. No more endless scrolling through Netflix wondering what to watch. FEATURES • Swipe through trending movies and TV shows • Save titles to Watch Later or mark as already seen • See exactly which streaming services carry each title • Filter by genre — Action, Comedy, Drama, Horror, Sci-Fi and more • Tap any title for full details, cast, and streaming links • Rate and organise your personal library • Undo any accidental swipe GO PRO • Unlimited daily swipes • Save unlimited titles • Ad-free experience • Rate and organize your library Terms of Use: https://sites.google.com/view/whattowatch-app/home
Screenshots
Verdict
The clearest difference is in-app purchases: CastLink at none against WhatToWatch's 2. CastLink also leads on iOS requirement (15.0 vs 17.0). WhatToWatch's advantage is device support. On price 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. WhatToWatch sells 2 in-app purchases, starting at $1.99 per month. CastLink asks for nothing beyond the download.
| Parameter | CastLink | WhatToWatch |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | — | Every 2 days |
| Ads | — | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | — | iPhone, iPad — better |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 1 MB |
| Age rating | 9+ | 12+ |
| Developer | William Ward | Steffen Weintraub |
In-app purchases
CastLink
No in-app purchases
WhatToWatch
- Pro Monthly$1.991 Month
- Pro Yearly$14.991 Year









