Number Sums is a grid-based math puzzle game for adults, offering arithmetic challenges across varying board sizes on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
#100
Games · free
Sentiment
4.4
137k reviews
Nemesis
Sudoku ▦
The App DNA
What makes this app unique?
The app removes the friction of finding structured mental math practice, serving users who want a quick, logic-based brain workout without complex narratives.
For Adults seeking mental math practice and logic-based brain training.
What does it look like?
Key features
Grid-based number puzzles requiring row, column, and region sums to match target clues.
Switching mechanism between circling correct numbers and erasing incorrect ones.
Board sizes ranging from 3x3 to 10x10 with varying complexity.
How much does it cost?
Monetization relies on ad-supported free play, which users report is currently too aggressive.
Velocity
Maintenance developmentperformanceopaqueShow more...
The app has been in a period of stagnation for 264 days, with no significant feature updates or content additions. Development activity is limited to minor performance and stability patches, indicating a maintenance-only lifecycle. Given the lack of updates over the last eight months, the development momentum is effectively stalled.
Who built it?
Easybrain
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Differences - Find & Spot Them
Easy Game - Brain PuzzlesUser Sentiment
What do users think recently?
Recent user voice shows a frustrated sentiment. Users appreciate stimulating logic puzzles provide a rewarding mental workout for players who enjoy number-based challenges, but report excessive ad frequency during active gameplay disrupts concentration and makes the experience feel unplayable.
How are ratings & reviews evolving?
What users say, by theme
- Stimulating logic puzzles provide a rewarding mental workout for players who enjoy number-based challenges
- Excessive ad frequency during active gameplay disrupts concentration and makes the experience feel unplayable
60 of 142 recent reviews analyzed · high confidence · Frustrated overall
Read the full review analysisUnlock 2 more frustration themes and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Number Sums - Numbers Game
How's the Games market?
Number Sums maintains a stable presence in the puzzle category, though its monetization strategy is currently misaligned with user expectations. The high price for ad-free access creates a barrier that limits the conversion of casual players.
Read the market outlookThe rivals identified
By Beetles Studio
The most direct competitor in the high-volume math-logic space, combining arithmetic sum constraints with grid-based logic to target the exact same 'brain training' demographic.
- Combines classic Sudoku constraints with the sum-based 'cages' mechanic
- More complex puzzle depth requiring both elimination and arithmetic
- Highly optimized ad-reward loop that typically sees better user retention in the logic sub-genre
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Number Sums - Numbers Game
Where is it heading?
The casual puzzle market is consolidating around titles with active live-ops and balanced monetization. Number Sums' current maintenance-mode cadence and aggressive ad-load leave it exposed to churn, as the core mental-math value is currently overshadowed by user frustration.
- Excessive ad frequency disrupts active gameplay, leading to mass uninstalls and a negative sentiment trend.
- The lack of feature updates for eight months leaves the app vulnerable to more active, live-ops-driven puzzle competitors.
The SWOT
- Minimalistic logic mechanics provide a high-value mental workout
- Zoom feature for larger grids improves accessibility
Next best moves
Cut ad frequency during active puzzle sessions because it is the #1 complaint driving churn → improve retention.
+ 2 more prioritized movesThe counter-intuitive read
The app's maintenance-mode status is a hidden advantage: by avoiding feature bloat…
Read the full takeSince the last report: Development momentum has stalled into an eight-month maintenance cycle, causing the outlook to shift from stable to declining as unresolved ad-frequency and technical complaints persist.
Bottom line
Aggressive ad placement during active play is invalidating the core value of the mental-math mechanic, and a pivot to a more balanced ad-load would unlock the retention potential of the existing user base.
Unlock 2 critical frictions, 1 market threat, 2 more prioritized moves and the analyst’s take.
Access the full report for freeFAQ
Is Number Sums suitable for casual players?
Does Number Sums have intrusive ads?
What are some alternatives to Number Sums?
Sources
- [1] Play Store listing, source
Report last updated