Crossum — Brain Math Cross

Name: Crossum — Brain Math Cross
Author: The JoyPlus Soft, Inc.

LiveThe JoyPlus Soft, Inc.14 apps · 293.5K installsTriviaFree · contains adsIn-app purchases: $3.89 per itemcom.thejoyplussoft.crossum

Fill cross equations to train your brain. Solve daily & raise your IQ rank!

Alert me ★ Watch Open in Play ↗

Total installs: 9
Installs / day: 0
Rating: —★
Released: 15 Aug 2026
Last update: 15 Aug 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

Shares data with third parties Device or other IDs
Collects data Personal info, App info and performance, and Device or other IDs
Data is encrypted in transit
You can ask for your data to be deleted

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

6 in 2 groups

0 Sensitive1 Notable5 Routine

Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE

OtherNotable5

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Crossum is a crossword made with numbers! Place the right numbers into intersecting cells to complete every horizontal and vertical equation. It is not just arithmetic — use logic to decide which cell to solve first. ■ FEATURES - 4 difficulties, from Easy 5×5 to Expert 11×11 - Brain rank: rise from Novice to Einstein as your IQ grows - Daily Challenge with the same puzzle worldwide - 3 hints and 3 hearts to help when you get stuck - Achievements and a global best-IQ leaderboard - Full offline play Perfect for fans of sudoku, math puzzles, and logic games, or for a focused break on your commute. Wake up your brain with Crossum for five minutes a day!

What's new

Crossum — a brain-training cross-math puzzle you solve with numbers! Fill the crossing equation cells so every formula checks out. From plus/minus to multiply/divide and three-term chains, the challenge grows as your brain does. • 4 levels — Easy, Normal, Hard, Expert — plus a fresh Daily Challenge every day • A brain rank that climbs as you play (Novice → Scholar), with an IQ gauge The perfect daily number workout for a sharp mind. Start now!

Growing in Trivia

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