By Easybrain
Report updated Apr 17, 2026
Number Sums - Numbers Game
For adults and puzzle enthusiasts looking for a daily mental workout to improve arithmetic skills, logic, and stress relief.
Number Sums - Numbers Game is a challenged games app that is free with in-app purchases. With a 4.4/5 rating from 137.5K reviews, it faces significant user friction. Users particularly appreciate engaging gameplay, though intrusive ad placement remains a common concern.
What is Number Sums - Numbers Game?
Current Momentum
v1.11
- Performance and stability improvements We read all your reviews and always try to make the game better. Please leave us some feedback if you love what we do and feel free to suggest any improvements. Challenge your brain with Number Sums puzzle and have fun!
Active Nemesis
Sudoku ▦
By Tripledot Studios
Other Rivals
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Puzzles requiring numbers to satisfy row, column, and colored region sums simultaneously
Switch between circling correct numbers and erasing unnecessary ones to solve the board
Offers board sizes ranging from 3x3 to 10x10 to accommodate different skill levels
How much does it cost?
- Free (Ad-supported)
- $14.99 Ad-removal IAP
The app employs an aggressive ad-supported model with mid-game interruptions. The $14.99 price point for ad removal is significantly higher than category averages, leading to user perception of the pricing as predatory.
Who Built It?
Easybrain
Providing casual gamers and puzzle enthusiasts with accessible, meditative brain-training experiences to decompress and stay mentally active.
Portfolio
13
Apps
Who is Easybrain?
Easybrain has established a dominant position in the meditative puzzle category by digitizing classic pen-and-paper logic games with high-fidelity production values. Their moat is built on a massive content library—often exceeding 10,000 assets per title—and a sophisticated live-ops engine that utilizes seasonal events to drive retention in traditionally static genres. The primary strategic tension lies in their aggressive monetization strategy, where high-friction ad-serving is balanced against premium-priced ad-removal tiers, testing the limits of user tolerance in a highly competitive utility-game market.
Who is Easybrain for?
- Adults
- Seniors seeking stress relief
- Memory exercise
- Creative outlets through low-intensity
Portfolio momentum
The publisher maintains an exceptionally high development cadence, having shipped 73 updates across its 27 active apps in the last six months.
What other apps does Easybrain make?
Logic Puzzles - Clue Game
Brick Blast - Ball Breaker
Groovepad - Music & Beat Maker
Art Puzzle - Jigsaw Games
Easy Words - Word Puzzle Games
Number Match - Numbers Game
What do users think recently?
High confidence · Latest 100 of 142 total reviews analyzed · Based on 142 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate engaging gameplay, but report intrusive ad placement and high ad-free pricing.
What Users Love
What Frustrates Users
What is the competitive landscape for Number Sums - Numbers Game?
How's The Games Market?
How does it evolve in the Games market?
| Country | Category | Chart | Rank | Change |
|---|---|---|---|---|
| 🇦🇹 Austria | Puzzle | AndroidFree | #45 | NEW |
| 🇺🇸 US | Board | iOSFree | #92 | ▼12 |
The rivals identified
The Nemesis
Head to Head
Killer Sudoku currently holds the market edge due to its superior scale and better-managed ad experience. While Number Sums has a more accessible 'pure math' mechanic, it must address the negative sentiment surrounding ad frequency to compete with Beetles Studio's retention metrics.
What sets Number Sums - Numbers Game apart
Number Sums features a unique 'colored region' constraint that is more visually intuitive than Sudoku cages
Minimalist design and cleaner UI compared to the data-heavy interface of Killer Sudoku
What's Sudoku ▦'s Edge
Significantly higher rating count and established user base (100k+ ratings)
Better sentiment regarding ad frequency; Number Sums currently suffers from a low 28 sentiment score due to intrusive ads
Contenders
Includes multiple operators (multiplication/division) whereas Number Sums focuses on addition
Crossword-style layout provides a different visual logic flow
Sudoku - logic puzzles games
★4.5 (32)Cleverside
💀The digital gold standard for the 'Cross Sums' genre that Number Sums is based on, offering high-fidelity, hand-crafted puzzles.
Focuses on professional-grade, hand-crafted puzzles rather than algorithmically generated ones
Advanced features like 'pencil marks' and error highlighting for serious enthusiasts
Peers
Spatial reasoning focus rather than arithmetic
Tactile 'wood' aesthetic compared to Number Sums' digital minimalist look
Sudoku _ Classic Sudoku Puzzle
0Ahmed kajjaj
💀The primary alternative for users seeking number-based logic without the specific addition mechanics.
Pure logic/elimination without math calculations
Massive global community and competitive leaderboards
The outtake for Number Sums - Numbers Game
Strengths to defend, gaps to attack
Core Strengths
- Unique colored-region logic differentiator
- Minimalist and clean UI design
- High volume of levels (3x3 to 10x10)
Critical Frictions
- Mid-game ad interruptions causing flow disruption
- High price point for ad-free experience ($14.99)
- Technical issues including device overheating and battery drain
Growth Levers
- Implement daily challenges and seasonal trophies to increase retention
- Add 'pencil marks' for advanced logic solving
- Introduce multi-operator puzzles (multiplication/division)
Market Threats
- Killer Sudoku's superior ad-reward loop and retention features
- Viral growth of AI-themed competitors like Sumplete
- Negative sentiment trend leading to increased uninstalls
What are the next best moves?
Relocate ad triggers to level transitions only
Top complaint theme is 'Intrusive Ad Placement' where mid-game ads 'screw up the flow' of the logic puzzle.
A/B test a lower-priced ad-removal tier (e.g., $4.99 - $6.99)
Users explicitly labeled the $14.99 price point as 'insane' and 'excessive,' creating a barrier to conversion.
Optimize background processes to reduce device heat
Multiple reports of the app making phones 'constantly warm/hot' and killing battery more than other games.
Feature Gaps vs Competitors
- Daily challenges and seasonal trophies (available in Killer Sudoku)
- Pencil marks and error highlighting (available in Kakuro Logic Puzzles)
- Multi-operator support (available in Math Crossword)
- Dark mode (available in Sumple)
Key Takeaways
Number Sums has a winning core mechanic with its colored-region logic, but it is currently being 'monetized to death.' If I were the PM, I would immediately move ads out of the active puzzle state and lower the ad-removal price to $6.99 to salvage the 28-score sentiment and prevent further churn to Killer Sudoku.
Where Is It Heading?
Stable
Upset user sentiment due to mid-game ads — high risk of churn to better-optimized competitors like Killer Sudoku.
Recent updates (v1.11.0) focused only on stability — indicates maintenance mode rather than active feature growth.
Strong category ranking (#59) and high rating count — indicates effective top-of-funnel acquisition despite retention risks.