X-Sum - Cross Sum Puzzle

Name: X-Sum - Cross Sum Puzzle
Author: Eldstorm

LiveEldstorm100 apps · 82.7K installsPuzzleFreecom.eldstorm.xsum

Solve clever cross-sum logic puzzles using X-Sum clues and pure deduction.

Alert me ★ Watch Open in Play ↗

Total installs: 41
Installs / day: +1
Rating: —★
Released: 9 Apr 2026
Last update: 9 Apr 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

Full history

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

No data shared with third parties
No data collected

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 3 groups

4 Sensitive0 Notable2 Routine

What this app can do with your phone

Read photos, videos, and other files saved in your phone's shared storage
Add, change or delete photos, videos and other files in your phone's storage

Photos/Media/FilesSensitive2

Access to photos, videos, music and other files stored on your device

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

StorageSensitive2

Access to files, photos and media saved on your phone's storage

Read photos, videos, and other files saved in your phone's shared storageread the contents of your USB storage · READ_EXTERNAL_STORAGE
Add, change or delete photos, videos and other files in your phone's storagemodify or delete the contents of your USB storage · WRITE_EXTERNAL_STORAGE

OtherRoutine2

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

Connect to the internet to load content and send datafull network access · INTERNET
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Read more · all 6 permissions Show less

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

Download

Full description

Sharpen your mind with X-Sum - Cross Sum Puzzle, a clean and satisfying number puzzle built around logic and deduction. Fill each grid with the numbers 1 to n so that every row and column contains each number exactly once. The clues around the grid show the X-Sum: the sum of the first x numbers seen from that side, where the first number tells you how many numbers to count. It starts simple, then quickly becomes a rewarding logic challenge with smart deductions and satisfying breakthroughs. Features: - Pure logic gameplay - Easy to learn, tricky to master - Clean and readable interface - Multiple difficulty levels Great for quick sessions or longer puzzle solving Designed for thoughtful, relaxing play If you enjoy number puzzles, brain teasers, and logic games, X-Sum - Cross Sum Puzzle delivers a fresh twist with a simple rule and deep gameplay.

What's new

Enjoy a fresh logic puzzle where clues determine how many numbers to sum from each side. Easy to learn, satisfying to solve, and designed for pure deduction. Includes multiple difficulty levels and a clean, responsive interface for smooth gameplay.

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