Auction Bridge & IB Card Game
Auction Bridge & IB Card Game Summary
Auction Bridge & IB Card Game is a ad-supported, with in-app purchases Android app in Card by Knight's Cave. Released in Feb 2019 (7 years ago). It has about 321.3K+ installs and 1.5K ratings with a 4.22★ (good) average. Based on AppGoblin estimates, it reaches roughly 12.8K monthly active users and generates around $<10K monthly revenue (83% IAP / 17% ads). Store metadata: updated Mar 31, 2026, version 38.
Recent activity: 3.5K installs this week (17.4K over 4 weeks) showing above average growth View trends →
Advertising: AppGoblin detected 1.00 monetized ad creatives shown inside the app.
Data tracking: SDKs and third-party integrations were last analyzed on May 9, 2026. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Dec 31, 2025.
Store info: Last updated on Google Play on Mar 31, 2026 (version 38).
Auction Bridge & IB Card Game was last scanned for SDKs 2026-05-09. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
Google
AppLovin
Facebook
Unity
Kotlin
JetBrains IntelliJ
JetBrains
AdMob
Firebase4.22★
Ratings: 1.5K
Screenshots
App Description
Play Auction Bridge & IB, the classic bridge game that preceded Contract Bridge!
The card game Auction Bridge & International Bridge (IB), the third step in the evolution of the general game of bridge, was developed from the straight bridge (i.e. bridge whist). The precursor to contract bridge, its predecessors were whist and bridge whist.
Auction Bridge & IB Card Game's trick scoring, bonus scoring, and penalty scoring are radically different from contract bridge, and there is no concept of vulnerability in Auction Bridge & IB.
Selecting trump rules is nearly the same, although in the contract bridge selecting Trump is more complex. The play and laws are also similar to the contract bridge.
The dealer opens the first trump selection and must declare to win at least the odd trick in a trump suit or at No-trumps. It goes higher if it contracts for a higher number of points (ignoring doubles) rather than a higher number of tricks. As an example, 3 Spades (27 points) beats 4 Clubs (24 points).
Each trick exceeding six scores:
Notrumps: 10 points
Spades: 9 points
Hearts: 8 points
Diamonds: 7 points
Clubs: 6 points
Game is 30 points
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