Comparison

Mahjong Win! vs PeerPlay Sync Player

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

Head to head
About

Mahjong Win!

This app uses AI to recognize Mahjong tiles from photos, automatically calculating han, fu, and scores. It simplifies complex Japanese Mahjong rules for players of all levels, allowing for more enjoyable face-to-face games with friends.

Highlights
  • AI tile recognition
  • Automatic yaku identification
  • Han and fu calculation
  • Accurate score calculation
  • User-friendly interface
  • Fast local processing
Features
Read full description

Japanese Mahjong (Riichi Mahjong) is a popular tabletop game, but its complex rules make it difficult for many players to accurately calculate the number of han and scores. To solve this problem, we have developed "Mahjong Win! - Smart Japanese Mahjong Helper" to help everyone play face-to-face with friends. Mahjong Win! is a powerful and practical Mahjong assistant app, whose main function is to quickly and accurately calculate the number of han, fu, and scores for players based on photos taken of the playing table. Whether you are a beginner or an experienced player, after using our application, you will be able to enjoy the fun of Japanese Mahjong more conveniently. [Features] • Tile recognition: Using artificial intelligence technology, our app can intelligently recognize the tiles on the photos, including numbers, suits, and wind directions, to ensure accurate display. • Yaku identification: Yaku is an important indicator for calculating scores in Japanese Mahjong. Our application can automatically analyze the player's hand tiles and melds, and quickly identify yakuman based on the rules, allowing you to focus on the game itself. • Number of han and fu: Our application can automatically calculate the number of han and fu based on factors such as tile patterns and yaku, avoiding tedious manual calculations and saving time and effort. • Score calculation: Score calculation in Japanese Mahjong is extremely complicated. Our app can accurately calculate the score for you, making game settlement easier and allowing you to enjoy the joy of winning. [Highlights] • User-friendly interface: Our application has a simple and intuitive user interface, making operations easier and more natural. No need for complicated settings, just take photos to enjoy the convenient services of calculating number of han, fu, and scores. • Powerful tile recognition: Our AI algorithm has been carefully trained to efficiently and accurately recognize common Mahjong tiles. • Extraordinary calculation efficiency: With the built-in efficient AI recognition and calculation engine, our software can run locally quickly, saving a lot of time and allowing you to focus more on the game experience. • Timely updates: Our team will continue to improve and enhance the functionality of the application, adding more auxiliary functions. If you have any suggestions, welcome to communicate with us through the in-app feedback. After using the "Mahjong Win!" assistant, we hope you will experience the great convenience brought by the powerful features of this application. Whether you are a beginner or an expert in Japanese Mahjong, we sincerely hope that "Mahjong Win!" can bring you fun and the joy of success in your game journey, and enjoy pleasant matches with friends!

About

PeerPlay Sync Player

Watch videos together in perfect sync with friends and family. This app allows up to four devices to play the same video file simultaneously over a local network, requiring no internet or accounts. Enjoy synchronized playback with automatic drift correction.

Highlights
  • Synchronized playback for up to 4 devices
  • Wi-Fi and Bluetooth connectivity
  • Automatic drift correction
  • No internet or accounts required
  • Supports common video formats
  • Episode queue functionality
  • Local network communication
Read full description

Watch videos together, perfectly synchronized. PeerPlay lets up to 4 iPhones play the same video file in sync — no server, no internet, no accounts required. HOW IT WORKS 1. One person hosts a session, others join nearby over Wi-Fi or Bluetooth 2. Everyone picks the same video file on their device 3. Press play — playback stays synchronized automatically PeerPlay uses smart drift correction to keep all players within a fraction of a second of each other. If anyone falls behind, all devices briefly pause and resync before resuming together. The host acts as the clock source, so everyone stays aligned. FEATURES - Up to 4 viewers synced over Wi-Fi or Bluetooth - Automatic drift correction keeps playback aligned - Simple lobby — host or join in one tap - Double-tap to skip forward or back 5 seconds - Supports MP4, MOV, M4V, and other common video formats - Works with any video file on your device - Pick a folder of video files to create an automatic episode queue - Episodes play back-to-back in order, synced across all peers - All playback controls (play/pause, seek, skip) stay in sync for every viewer PRIVACY-FIRST PeerPlay collects no data of any kind. No analytics, no tracking, no accounts. All communication happens on your local network and never touches an external server.

Screenshots

Mahjong Win!3 screens
PeerPlay Sync Player4 screens

Verdict

The call

The clearest difference is price: PeerPlay Sync Player at Free against Mahjong Win!'s $4.99. PeerPlay Sync Player also leads on rating (5.0 vs 4.0). Mahjong Win!'s advantage is update cadence (every 3 days vs weekly) and ratings volume (3 vs 1). On 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

CostPrice · In-app purchases · Ads · Monetization

PeerPlay Sync Player is free to download; Mahjong Win! costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

PeerPlay Sync Player holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Mahjong Win! ships an update every 3 days, PeerPlay Sync Player weekly. The most recent releases landed on September 11, 2026 and June 4, 2026 respectively.

Scorecard6 real differences · 4 level
Mahjong Win! versus PeerPlay Sync Player: the parameters behind the verdict, then further details
ParameterMahjong Win!PeerPlay Sync Player
Price$4.99Free — better
Rating4.0 (3 ratings)5.0 (1 ratings) — better
Positive reviews80.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 3 days — betterWeekly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.5
Further details — not scored
Size58 MB2 MB
Age rating12+4+
DeveloperPotatso Lab LTDRyan Le

Customer experience

Mahjong Win!

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

PeerPlay Sync Player

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Mahjong Win!

No in-app purchases

None

PeerPlay Sync Player

No in-app purchases

Questions

Is Mahjong Win! free?
Mahjong Win! costs $4.99, with no in-app purchases.
Is PeerPlay Sync Player free?
PeerPlay Sync Player is free to download, with no in-app purchases.
Which has better reviews, Mahjong Win! or PeerPlay Sync Player?
PeerPlay Sync Player is rated higher. Mahjong Win! averages 4.0 out of 5 from 3 ratings, while PeerPlay Sync Player averages 5.0 from 1 ratings.
Do Mahjong Win! or PeerPlay Sync Player have ads?
Neither Mahjong Win! nor PeerPlay Sync Player shows ads.
Which is updated more often, Mahjong Win! or PeerPlay Sync Player?
Mahjong Win! ships an update every 3 days, and PeerPlay Sync Player weekly. Most recently, Mahjong Win! was updated on September 11, 2026 and PeerPlay Sync Player on June 4, 2026.

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