Comparison

Kosmi vs Sync Player

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

Head to head
About

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.

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
Read full description

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.

About

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.

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
Read full description

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

Kosmi3 screens
Sync Player4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Kosmi ships an update every 10 months, Sync Player weekly. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard6 real differences · 4 level
Kosmi versus Sync Player: the parameters behind the verdict, then further details
ParameterKosmiSync Player
PriceFreeFree
Rating2.7 (35 ratings)4.6 (31 ratings) — better
Positive reviews34.9% of reviews88.9% of reviews — better
Number of ratings35 — better31
Update frequencyEvery 10 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size60 MB145 MB
Age rating17+17+
DeveloperKosmi Inc.EverSync Pty Ltd

Customer experience

Kosmi

All ratings34 ratings
Positive38.2%
Neutral8.8%
Negative52.9%
Written reviews43 reviews
Positive34.9%
Neutral11.6%
Negative53.5%

Sync Player

All ratings31 ratings
Positive90.3%
Neutral0.0%
Negative9.7%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

None

Kosmi

No in-app purchases

4 purchases

Sync Player

Subscriptions2
  • Premium Monthly Subscription$4.991 Month
  • Premium Yearly Subscription$14.991 Year
One-time2
  • Gift: 1 Month of Premium$4.99
  • Gift: 1 Year of Premium$14.99

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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