Kosmi vs Sync Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kosmi
This app provides a unified platform for entertainment, combining TV, movies, games, and music. Users can create virtual rooms to invite friends and share these experiences together.
- Watch TV and movies together
- Play games with friends
- Listen to music collaboratively
- Create private hangouts rooms
- Invite friends to join rooms
- Stream various entertainment apps
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Kosmi is your entertainment universe, bringing together your favorite TV, movies, games, music, and other apps, all in one place. Hang out in one of your rooms, invite your friends, and see who shows up.
Sync Player
Watch videos with friends in real-time, no matter the distance. Create shared rooms, chat via text or voice, and sync playback for a seamless viewing experience. It also functions as a robust local media player for various file formats.
- Create shared watch rooms
- Text and voice chat
- Synchronized video playback
- Local media player
- Supports MP4, MKV, MOV, WEBM, AVI
- Customizable captions and playback
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Start chilling with friends now by creating a room and sharing your invite code. Text & Voice chat while watching videos together — every moment feels closer. Easily switch captions and playback options to enjoy content your way. More than just syncing with friends, Sync Player is also a powerful local media player, supporting MP4, MKV, MOV, WEBM, AVI, and more. From movie nights to quick laughs, Sync Player makes staying connected effortless. Download now and enjoy together! Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Sync Player at 89% against Kosmi's 35%. Sync Player also leads on rating (4.6 vs 2.7) and update cadence (weekly vs every 10 months). Kosmi's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume, device support and iOS requirement 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. Sync Player sells 4 in-app purchases, starting at $4.99 per month. Kosmi asks for nothing beyond the download.
Sync Player holds the better App Store score, 4.6 against 2.7. Both are backed by a comparable volume of ratings — 35 and 31 respectively. Written reviews point the same way: 35% of Kosmi's written reviews are positive against 89% of Sync Player's.
Kosmi ships an update every 10 months, Sync Player weekly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.
| Parameter | Kosmi | Sync Player |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (35 ratings) | 4.6 (31 ratings) — better |
| Positive reviews | 34.9% of reviews | 88.9% of reviews — better |
| Number of ratings | 35 — better | 31 |
| Update frequency | Every 10 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 60 MB | 145 MB |
| Age rating | 17+ | 17+ |
| Developer | Kosmi Inc. | EverSync Pty Ltd |
Customer experience
Kosmi
Sync Player
In-app purchases
Kosmi
No in-app purchases
Sync Player
- Premium Monthly Subscription$4.991 Month
- Premium Yearly Subscription$14.991 Year
- Gift: 1 Month of Premium$4.99
- Gift: 1 Year of Premium$14.99








