# Kosmi vs Sync Player

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.

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.

## The numbers

| Metric | Kosmi | Sync Player |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (35 ratings)](https://appshunter.io/ios/app/kosmi/id1547460222/reviews) | **[4.6 (31 ratings)](https://appshunter.io/ios/app/sync-player-watch-party/id6754025100/reviews)** |
| Number of ratings | **35** | 31 |
| Positive reviews | 34.9% of reviews | **88.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 145 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Kosmi Inc.](https://appshunter.io/developer/1547460224) | [EverSync Pty Ltd](https://appshunter.io/developer/1846326025) |

## What reviewers say

### Kosmi

[App page](https://appshunter.io/ios/app/kosmi/id1547460222)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sync Player

[App page](https://appshunter.io/ios/app/sync-player-watch-party/id6754025100)

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.

**Highlights:** Create shared watch rooms, Text and voice chat, Synchronized video playback, Local media player, Supports MP4, MKV, MOV, WEBM, AVI, Customizable captions and playback

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $4.99 | per month |
| Premium Yearly Subscription | $14.99 | per year |
| Gift: 1 Month of Premium | $4.99 | one-time |
| Gift: 1 Year of Premium | $14.99 | one-time |


## Frequently asked questions

### Is Kosmi free?

Kosmi is free to download, with no in-app purchases.

### Is Sync Player free?

Sync Player is free to download, with in-app purchases available.

### Which has better reviews, Kosmi or Sync Player?

Sync Player is rated higher. Kosmi averages 2.7 out of 5 from 35 ratings, while Sync Player averages 4.6 from 31 ratings.

### Do Kosmi or Sync Player have ads?

Sync Player shows ads; Kosmi does not.

### Which is updated more often, Kosmi or Sync Player?

Kosmi ships an update every 10 months, and Sync Player weekly. Most recently, Kosmi was updated on November 7, 2026 and Sync Player on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*