Castle Solitaire: Card Game

Name: Castle Solitaire: Card Game
Rating: 4.672691 (103669 reviews)
Author: MobilityWare

MobilityWare

★ 4.7 (103,669 ratings)

⬇ 1,000,000+ downloads

Est. actual: 4,960,771

Style: Card

Free

Released: Jan 16, 2019

IAP: $0.79 - $29.99 per item

Contains ads

Rated: Everyone

Mechanics Solitaire (card)

Signals

4 this week · 1 positive · 1 warning All of this week's signals →

📈Last 7 days +3.7K installs — 31% slower than the week before (+5.3K) · 861/day since Sep 18
🏆Among Card games top 3% by installs gained this week (8016 peers growing)
⭐Rating steady at ★ 4.67 since Sep 18
🛠Updates quiet · updated 32 days ago · every ~9 days (2 updates tracked)

Installs since launch

+37,880 installs · +768 ratings since Sep 18

SDKs in the app · version 2.4.1.1977, analysed Oct 25, 2026

Ad mediationAppLovin MAX
Ad networkAmazon Publisher Services 11.3.0 AppLovin SDK BidMachine Chartboost DT Exchange (Fyber)Google Mobile Ads (AdMob) 25.3.0 Liftoff Monetize (Vungle) 7.7.4 Meta Audience Network 6.21.0 Unity Ads 4.18.1
AnalyticsFirebase Analytics 23.0.0
AttributionAppsFlyer
ConsentGoogle User Messaging Platform 4.0.0
Crash reportingFirebase Crashlytics
Customer supportHelpshift
Engagement & messagingPlay In-App Review 2.0.0
Game engineUnity (engine)
PaymentsPlay Billing Library 8.0.0
PlatformPlay Asset Delivery 2.1.0
Remote configFirebase Remote Config 23.0.1
SecurityPlay Integrity API 1.3.0
Social & loginGoogle Sign-In 20.7.0

8 mediation adapters

Adapters connect a mediation SDK to an ad network. An adapter alone does not mean the network’s own SDK is bundled.

AppLovin MAX adapter → AppLovinAppLovin MAX adapter → AppLovin 6.21.0.0AppLovin MAX adapter → AppLovin 25.3.0.0AppLovin MAX adapter → Vungle 3.7.1.0AppLovin MAX adapter → Vungle 9.12.0.0AppLovin MAX adapter → Vungle 8.4.5.0AppLovin MAX adapter → Vungle 4.18.1.0AppLovin MAX adapter → Vungle 7.7.4.0

Found by static analysis of the app package; bundled is not the same as active. All SDKs →

Update history

2.4.1.1977 Sep 30, 2026 · seen Oct 7, 2026

Thank you for playing Castle! This update includes bug fixes and performance optimizations.

2.4.0.1973 Sep 21, 2026 · seen Sep 24, 2026

Thank you for playing Castle! This update includes bug fixes and performance optimizations.

2.3.1.1845 Sep 21, 2026 · seen Sep 18, 2026

Castle Solitaire: Card Game is a card game by MobilityWare with 1,000,000+ downloads (about 5M estimated). +3.7K installs in the last 7 days. Rated 4.7 from 104K ratings. Released Jan 16, 2019. Install growth, rank history, SDKs and ad networks.

From the store listing: “Meet your new addiction! Break out of your boredom cell and cash in on the fun with Castle Solitaire card games! Castle Solitaire is a fun and free Solitaire card game from MobilityWare, the maker of all your favorite solitaire card games. In this fast and easy to learn game, you can clash with kings, crush your…”