Factor Find vs Number Sums
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Factor Find
This math puzzle game challenges players to create target numbers using factors found on a board. It offers strategic gameplay that improves math, reasoning, and memory skills through unlimited puzzles and various modes. Compete with others on global leaderboards or enjoy daily challenges.
- Create target numbers with factors
- Unlimited puzzles
- Daily challenges
- Global leaderboards
- 4 difficulty levels
- 3 special game modes
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Inspired by the classic Word Search and Sudoku games, Factor Find is a puzzle game about math! The rules are simple: solve puzzles by making target numbers with factors on the board. For example, make 12 from 4*3 or 2*6. Factor Find is more strategic than it initially appears. With the right strategy, it's possible to solve even the most complicated puzzles without doing complicated math! Calculators might be better than people at simple arithmetic, but they could never solve a Factor Find puzzle! With unlimited puzzles, Factor Find is a great way to improve your math, reasoning, and memory skills. While playing, you can learn math concepts such as divisibility rules and prime factorization to improve your gameplay! Whether you're looking to compare your scores against other players on global leaderboards, or simply want a fun new game, you'll enjoy playing Factor Find! Current features: - 4 classic difficulty levels - 3 special game modes (pairs, negatives, primes) - Daily challenges - Game Center leaderboards - Game Center achievements - Unlimited puzzles - Unlimited hints - Timed and untimed modes - Available in 10 languages - Works with VoiceOver - More coming soon! Enjoy!
Number Sums
This app offers a challenging number puzzle designed to enhance mental math skills. Players must make the sum of numbers in rows, columns, and colored regions match given clues by circling correct numbers and erasing extras. It provides a fun way to practice arithmetic and logic with various difficulty levels.
- Summing numbers in rows and columns
- Matching sums to clues
- Circling and erasing numbers
- Multiple difficulty levels
- Board sizes from 3x3 to 10x10
- Hint system
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Number Sums is a challenging number puzzle to train your mental math. The goal is to make the sum of numbers in each row, column, and colored region be equal to the clues on the side of the board and inside the colored regions. Practice your math skills and logic with Number Sums! Each row, column, and region has its own solution, but the goal of this math game with numbers is to make them all work at the same time. You have to circle the correct numbers and erase the numbers you don't need. Remember, the sums of the numbers in rows, columns and colored regions should be equal to the numbers on the sides of the board and inside each region. Each level of this numbers game has only one solution, try to find it to solve educational math puzzles! Mental arithmetic is an invaluable math skill for your everyday life. Inside Number Sums you'll find math puzzles of various difficulty. The mechanics of these math riddles sounds simple but requires a lot of thinking. Playing sum number games and solving math problems can improve your arithmetic skills. If you are interested in number puzzles or math games for adults, and in training your addition skills, play this engaging number game for hours of fun! How to play Number Sums: - Circle the correct numbers that add up to the values on the sides of the rows, columns and regions. - Use the toggle to switch between circling and erasing modes. It will help you to mark the correct numbers and the extra numbers that you don't need. - Each level of these math puzzles has only one possible solution, so make sure that the rows, columns and colored regions work together at the same time. - Train your math skills with this free number puzzle with various levels of difficulty. Open different types of board from 3x3 to 10x10. Tips to hone your skills: - Erase numbers on the board that are greater than the totals in the boxes. - If there is only one odd number in a column or row, and an even number is the sum in the box outside the board, then remove it. - If the largest number on the board isn't the same as the total outside the board, then add the smallest number from the board to it. If the sum is greater than the value in the box, then erase the largest number. What you get by playing the Number Sums game: - Tons of number puzzle games to challenge your brain. - Enjoy your game experience with the minimalistic and simple design. - Useful hints to help you when you’re stuck. - Mind puzzles with no time limits. Take your time to find the one and only solution to these number games. If you enjoy number games, take a break with Number Sums puzzles. Challenge your logic and play Number Sums anywhere, anytime!
Screenshots
Verdict
Factor Find and Number Sums both sit at 4.7 stars, but that hides the real split: 98% of Factor Find's written reviews are positive against 26% of Number Sums's. Factor Find also leads on iOS requirement (11.0 vs 15.0). Number Sums's advantage is ratings volume (31K vs 155) and update cadence (every 2 months vs every 7 months). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Factor Find sells 1 one-off in-app purchase and Number Sums sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for Factor Find against 4.6 for Number Sums. That said, the two scores are not equally well evidenced: Number Sums has 31K ratings behind it against 155, so its average is the more settled of the two. Written reviews are what separate them: 98% of Factor Find's written reviews are positive against 26% of Number Sums's.
Factor Find ships an update every 7 months, Number Sums every 2 months. The most recent releases landed on November 6, 2026 and November 8, 2026 respectively.
| Parameter | Factor Find | Number Sums |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (155 ratings) — better | 4.6 (31K ratings) |
| Positive reviews | 97.9% of reviews — better | 25.5% of reviews |
| Number of ratings | 155 | 31K — better |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 17 MB | 227 MB |
| Age rating | 4+ | 12+ |
| Developer | Electric Bear Gaming LLC | Easybrain Ltd |
Customer experience
Factor Find
Number Sums
User reviews
Factor Find
From 155 App Store ratingsWhat we love
- 👍 Educational and great for learning math
- 👍 Voiceover compatible
- 👍 User-friendly interface
- 👍 Highly recommended
- 👍 Fun and engaging gameplay
Room to improve
- 🐛 Drag and drop can be annoying
- 🐛 Ads persist even after purchase
Number Sums
From 31K App Store ratingsWhat we love
- 🧠 Challenging brain exercise
- 🔢 Enjoyable number-based gameplay
- 👍 Well-designed interface
- 🕰️ No time pressure
Room to improve
- 💢 Excessive mid-game ads
- 🤔 Toggle button issues
- 🔍 Small text/numbers
- 🔋 Game drains battery
Bugs and requests
Factor Find
Reported bugs
1 issue- App purchase did not remove ads
Requested features
2 requests- More fun educational applications
- Option to type answers instead of drag and drop
Number Sums
Reported bugs
2 issues- Incorrect number removal function removed
- Ads randomly opening browser pages
Requested features
4 requests- Dark mode option
- Separate buttons for circle/erase
- Auto-erase incorrect numbers
- Difficulty/grid size selection
In-app purchases
Factor Find
- Remove Ads$2.99
Number Sums
- Number Sums No Ads$14.99









