GuestStar vs Castyy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GuestStar
Create quirky videos with friends or by browsing actors for scene partners. Explore roles as an actor, writer, casting director, or producer. Easily collaborate and edit videos for direct upload to platforms like TikTok and Instagram.
- Collaborative video creation
- Browse actors for scene partners
- Multiple takes for perfection
- Scriptwriting and actor performance
- Casting director and producer roles
- Direct upload to TikTok and Instagram
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GuestStar is the easiest way to make videos with friends. Don’t have a friend? No problem, browse actors to find your favorite scene partner and GuestStar with them. Express your creativity with multiple takes until you get it just right. Not sure being in front of the camera is right for you? Try your hand at writing a script and let other actors perform YOUR scene. Or maybe you want to be the Casting Director or even Producer. GuestStar let’s you easily share scenes with your friends and you can cast them in the roles. Use GuestStar to collaborate on videos with your friends and created edited videos you can upload directly to TikTok and Instagram. However you decide to use GuestStar it’s the most fun way to express yourself, explore your creativity and create some killer content along the way.
Castyy
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Castyy is Social Network for Entertainment Industry (Films/Music/Modeling/Advertising) Auditions, Jobs and News. This app provides way to post auditions/jobs related to entertainment industry. Actors/Models can search jobs, apply for jobs and submit auditions through the app. You can also review/edit job applicants and review their submitted auditions.
Screenshots
Verdict
The clearest difference is update cadence: GuestStar at every 9 days against Castyy's every 3 months. 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.
GuestStar ships an update every 9 days, Castyy every 3 months. The most recent releases landed on October 20, 2026 and September 15, 2026 respectively.
| Parameter | GuestStar | Castyy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 9 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.2 — better | 14.0 |
| Further details — not scored | ||
| Size | 19 MB | 42 MB |
| Age rating | 12+ | 17+ |
| Developer | Andrew Werhane | NeuroSpeech Technologies Private Limited |
In-app purchases
GuestStar
No in-app purchases
Castyy
No in-app purchases
