Word Serenity: Fun Brain Game

Name: Word Serenity: Fun Brain Game
Rating: 4.6644454 (29349 reviews)
Author: HI STUDIO LIMITED

HI STUDIO LIMITED

★ 4.7 (29,349 ratings)

⬇ 1,000,000+ downloads

Est. actual: 3,216,222

Style: Word

Free

Released: Feb 2, 2020

IAP: $0.99 - $99.99 per item

Contains ads

Rated: Everyone

Mechanics Word game

Signals

4 this week · 3 positive All of this week's signals →

📈Last 7 days +279 installs — 25% faster than the week before (+224) · 34/day since Sep 18
🏆Among Word games top 10% by installs gained this week (7603 peers growing)
⭐Rating steady at ★ 4.66 since Sep 18
🛠Updates actively updated · updated 25 days ago

Installs since launch

+1,486 installs · +75 ratings since Sep 18

SDKs in the app · version 8.3.30, analysed Oct 27, 2026

Ad mediationAppLovin MAX ironSource / Unity LevelPlay
Ad networkAppLovin SDK DT Exchange (Fyber)Google Mobile Ads (AdMob) 25.4.0 InMobi Liftoff Monetize (Vungle) 7.7.8 Meta Audience Network 6.20.0 Mintegral Moloco Ads 4.12.0 Pangle 8.3.0.3 Unity Ads 4.20.0
Ad qualityAppLovin Ad Review (SafeDK)
AnalyticsFirebase Analytics 23.2.0
AttributionAdjust Facebook App Events 18.3.0 TikTok Business SDK 1.6.1
BackendFirebase Authentication 24.1.0
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 8.3.0
PlatformPlay Asset Delivery 2.2.1
SecurityPlay Integrity API 1.3.0
Social & loginFacebook Gaming Services Facebook Login Facebook SDK (core) 18.3.0 Facebook Share Google Sign-In 20.7.0

12 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 11.4.1.2AppLovin MAX adapter → AppLovin 8.4.7.0AppLovin MAX adapter → AppLovin 4.12.0.0AppLovin MAX adapter → UnityAds 8.3.0.3.0AppLovin MAX adapter → UnityAds 6.20.0.0AppLovin MAX adapter → UnityAds 25.4.0.0AppLovin MAX adapter → UnityAds 25.4.0.0AppLovin MAX adapter → UnityAds 9.6.0.0.0AppLovin MAX adapter → UnityAds 17.1.81.0AppLovin MAX adapter → UnityAds 4.20.0.0AppLovin MAX adapter → UnityAds 7.7.8.0

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

Update history

8.3.30 Oct 8, 2026 · seen Oct 18, 2026

Minor bugs fixed.

8.3.22 Oct 8, 2026 · seen Sep 18, 2026

Minor bugs fixed.

Trailer

Word Serenity: Fun Brain Game screenshot

Word Serenity: Fun Brain Game is a word game by HI STUDIO LIMITED with 1,000,000+ downloads (about 3.2M estimated). +279 installs in the last 7 days. Rated 4.7 from 29K ratings. Released Feb 2, 2020. Install growth, rank history, SDKs and ad networks.

From the store listing: “Looking for the best way to sharpen your mind, relax your brain, and expand your vocabulary? Welcome to Word Serenity, the NEWEST hit from the makers of top-rated puzzles Word Town and Word Search Pop! This game brings you an addictive and exciting word puzzle experience that you won't be able to put down. Playing…”