Comparison

Big 2! vs 誰是臥底

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

Head to head
About

Big 2!

Experience a classic card game with online and offline multiplayer modes. Compete against AI or friends, with support for various regional rules. Enjoy a free, ad-supported experience with customizable gameplay.

Highlights
  • Online multiplayer with matchmaking
  • Play with Facebook friends
  • Offline play against AI
  • Supports multiple regional rules (Taiwan, Hong Kong, etc.)
  • Completely free to play
  • Crystal clear graphics
Features
Read full description

JJPlay Big 2 (also known as 大老二, 鋤大D, 步步高升, Pusoy Dos), the best FREE Big 2 experience available on smartphones and tablets. Get ready to out wit your opponents in this Chinese classic. Supports multiple rules, including Taiwan, Hong Kong, Shanghai and Philippine rules. ONLINE MULTIPLAYER Automatic matchmaking – So you always find fun and challenging opponents. Or play with friends – Just log in with Facebook to connect with each other. Or play offline with the computer. COMPLETELY FREE TO PLAY No registration No dangerous permissions MORE COOL FEATURES Full retina display support for crystal clear graphics. Also works great on budget devices down to (320x240) resolution. PLAY WITH ALL YOUR FRIENDS Supported Languages: English, Chinese, Japanese Rules of the game can be found here: http://en.wikipedia.org/wiki/Big_Two Please send your comments and suggestions to jjplaycardgames@gmail.com User Notes: Your rating is determined by online play against random players. Games with friends do not affect your online rating, but your wins against them are recorded separately. Try to finish a round that has started. If you quit prematurely, you need to pay your all opponents their maximum potential winnings. You can drag cards to reorder them manually. Playing with Facebook friends: To play with friends, from the main menu click “Multiplayer” then “Friends”. You will see available Facebook friends on the right side on the screen. Click “Add” to add friends to your game. Both you and your friends need to be in the game to see each other.

About

誰是臥底

Features
Read full description

誰是臥底?這是個適合多人一起玩的遊戲,臥底會看到和其他人不同的文字,透過大家的說詞來找出誰是臥底吧!只需要一台手機就可以多人一起玩。 【遊戲特色】 - 繁中精選題庫:嚴選 200+ 無尷尬機翻,只有最道地的用詞! - 超彈性人數支援:3 人即可開局,最多支援 16 人大亂鬥。 - 完全離線遊玩:沒網路也能玩,出國、露營、飛機上都能嗨。 - 自訂題目無上限:想玩更辛辣的?更在地的?自己出題最好玩! - 豐富遊戲模式:加入「白板」讓推理更刺激,自訂結束條件。 EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Big 2!2 screens
誰是臥底4 screens

Verdict

The call

The clearest difference is in-app purchases: Big 2! at none against 誰是臥底's 1. Big 2! also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads 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

Both are free to download. 誰是臥底 sells 1 in-app purchase, starting at $0.99 per month. Big 2! asks for nothing beyond the download.

UpkeepUpdate frequency

Big 2! ships an update every 6 weeks, 誰是臥底 every 5 weeks. Both last shipped on October 16, 2026.

Scorecard2 real differences · 8 level
Big 2! versus 誰是臥底: the parameters behind the verdict, then further details
ParameterBig 2!誰是臥底
PriceFreeFree
Rating4.4 (719 ratings) — better—
Positive reviews32.2% of reviews—
Number of ratings719 — better—
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size35 MB21 MB
Age rating4+4+
DeveloperJJPlay Inc.LiangYu Ko

Bugs and requests

Big 2!

Reported bugs

5 issues
  • Game freezes when new players join
  • Losing points for no reason
  • Ads that cannot be closed
  • Multiplayer mode not working
  • Incorrect card ranking and suit order

Requested features

5 requests
  • Ability to play with friends
  • Option to disable ads
  • Customizable difficulty settings
  • Improved card distribution and shuffling
  • Voice chat or in-game communication

誰是臥底

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Big 2!

No in-app purchases

1 purchases

誰是臥底

Subscriptions1
  • 找出臥底 Pro$0.991 Month

Questions

Is Big 2! free?
Big 2! is free to download, with no in-app purchases.
Is 誰是臥底 free?
誰是臥底 is free to download, with in-app purchases available.
Do Big 2! or 誰是臥底 have ads?
Both Big 2! and 誰是臥底 show ads.
Which is updated more often, Big 2! or 誰是臥底?
Big 2! ships an update every 6 weeks, and 誰是臥底 every 5 weeks. Most recently, Big 2! was updated on October 16, 2026 and 誰是臥底 on October 16, 2026.

Other comparisons