Cellsum: Killer Sudoku

Name: Cellsum: Killer Sudoku
Author: Apptiary

LiveApptiary15 apps · 50 installsPuzzleFree · contains adsIn-app purchases: $1.89 - $8.49 per itemcom.apptiary.cellsum

Killer sudoku with no givens: cage sums only, a daily board, never a guess.

Alert me ★ Watch Open in Play ↗

Total installs: 3
Installs / day: 0
Rating: —★
Released: 14 Sept 2026
Last update: 11 Oct 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

7 changes

12 Oct 2026
Update date
15 Sept 202611 Oct 2026
12 Oct 2026
Version
1.3.1 → 1.4.0
12 Oct 2026
What's new
—🧵 A whole new quilt! Cellsum moves into a cosy sewing workshop: 560 boards across 8 chapters, 26 new rules stitched in, hints that refill on their own, and a fixed board for Arabic players.
12 Oct 2026
Description
Cellsum is a killer sudoku. Ordinary sudoku rules - the digits 1 to 9 once in every row, once in every column, once in every 3x3 box - except that not a single digit is given at the start. What replaces the givens is th…Cellsum is a killer sudoku. Ordinary sudoku rules - the digits 1 to 9 once in every row, once in every column, once in every 3x3 box - except that not a single digit is given at the start. What replaces the givens is th…
12 Oct 2026
Screenshots
18 screenshots18 screenshots
12 Oct 2026
Feature graphic
12 Oct 2026
Icon

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 Location and Device or other IDs
Collects data Location, Personal info and 4 others
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

8 in 1 group

0 Sensitive3 Notable5 Routine

OtherNotable8

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

Change volume and choose which speaker or headset plays soundchange your audio settings · MODIFY_AUDIO_SETTINGS
Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
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
Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

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

Cellsum is a killer sudoku. Ordinary sudoku rules - the digits 1 to 9 once in every row, once in every column, once in every 3x3 box - except that not a single digit is given at the start. What replaces the givens is the cages. The grid is tiled by them, each one prints a sum, the digits inside it add up to that sum, and no digit repeats inside a cage. That is the whole rule set, and it is enough to pin all eighty-one cells. Every board is generated and then proved by our own solver: exactly one solution, reachable by logic alone. If a board would ever make you guess, it does not ship. • DAILY - the same board for everyone, once a day. Beat the clock, keep your streak, share your result without spoiling it. • LEVELS - 560 boards in eight chapters, from a gentle opening to cages that need real bookkeeping. • ENDLESS - a fresh board in three difficulties. Its code sits on the board: send it to a friend and you both play the identical grid. Made to respect your time: • No lives, no forced timers, no forced videos. • Gold, silver or bronze on every board, by how close you came to par. • Three hints on every board. • Colour-blind shapes, high contrast and a choice of palettes. • Dark mode. Works offline. Tiny download. • No sign-up and no accounts: progress stays on your device. Pencil marks, an undo you can lean on, and a mistake check that only speaks when you ask.

What's new

🧵 A whole new quilt! Cellsum moves into a cosy sewing workshop: 560 boards across 8 chapters, 26 new rules stitched in, hints that refill on their own, and a fixed board for Arabic players.

Growing in Puzzle

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