Comparison

Number Sum Up vs Numbers Up Skill Challenge

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Number Sum Up

Solve number puzzles by circling and erasing digits to make rows and columns add up to target sums. This game offers a clean design and varying difficulty levels to sharpen your mental math skills.

Highlights
  • Circle and erase numbers
  • Solve row and column sum puzzles
  • Multiple difficulty levels
  • Varying board sizes
  • Hint system
  • Clean and simple design
Features
Read full description

Get ready to boost your brainpower and have a blast with Number Sum Up: Quick Math, the addictive math puzzle game that’s perfect for all ages! Number Sums is your ticket to mental math mastery! Solve puzzles by circling the right numbers and erasing the ones you don’t need. Your goal is to make each row and column add up to the clues on the side of the board. It’s simple, challenging, and oh-so-satisfying! Being good at mental math is useful in everyday life. Number Sum Up: Quick Math, you’ll find math puzzles that range from easy to hard. The game is simple to understand but takes careful thinking to solve. Playing these number games can help improve your math skills. If you enjoy number puzzles or free math games for adults, and want to practice your addition skills, try this fun and engaging game for hours of entertainment! How To Play: Circle the numbers that add up to the targets shown at the ends of each row and column. Use the toggle to change between circling and erasing. This helps you keep the right numbers and remove the extras. Each puzzle has only one solution. Make sure all rows and columns add up correctly. Practice addition with this free game, featuring different board sizes from 4x4 to 8x8 and varying difficulty levels. Tips to Improve Your Skills in Number Sum Up: Quick Math: Erase Large Numbers: First, remove numbers from the board that are bigger than the target sums. Odd and Even: If a row or column has only one odd number and the target sum is even, remove that odd number. Check Largest Number: If the biggest number on the board doesn’t match the target sum, add the smallest number to it. If the total is too high, erase the largest number. Benefits of Playing Number Sum Up: Quick Math: Enjoy many number puzzles that challenge your brain and improve your math skills. Experience a clean and simple design that makes playing enjoyable. Use hints when you get stuck to solve the puzzles. Play at your own pace and take your time to find the single correct solution. Why You’ll Love Number Sum Up: Quick Math: If you like addictive games like Number Match: Match Ten 10, you’ll love Number Sum Up: Quick Math. Play it anywhere, anytime to improve your math and logic skills!

About

Numbers Up Skill Challenge

Features
Read full description

Numbers Up is a fast-paced, skill-based arcade challenge designed to test your focus, timing, and reaction speed. The rules are simple. The numbers rise. You react. What begins as an easy rhythm quickly becomes a true test of awareness and precision. Each round increases the challenge, pushing you to stay sharp and respond faster as the pace builds. Whether you have a few minutes or want to chase your personal best, Numbers Up delivers smooth performance and immediate gameplay with no complicated setup. There are no accounts to create and no learning curve — just pure, escalating challenge. Features • Instant start gameplay • Increasing difficulty every round • Skill-based scoring • Clean, distraction-free design • Quick play sessions • Optimized for smooth performance How high can you go? Developed by corrIQ technologies.

Screenshots

Number Sum Up4 screens
Numbers Up Skill Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Numbers Up Skill Challenge at none against Number Sum Up's 1. Number Sum Up's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Number Sum Up sells 1 one-off in-app purchase. Numbers Up Skill Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on September 27, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
Number Sum Up versus Numbers Up Skill Challenge: the parameters behind the verdict, then further details
ParameterNumber Sum UpNumbers Up Skill Challenge
PriceFreeFree
Rating4.6 (19 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 3 daysEvery 3 days
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size197 MB26 MB
Age rating4+4+
DeveloperALICE GAMESWAYNE BRIAN CORRICK

In-app purchases

1 purchases

Number Sum Up

One-time1
  • Remove Ads$3.99
None

Numbers Up Skill Challenge

No in-app purchases

Questions

Is Number Sum Up free?
Number Sum Up is free to download, with in-app purchases available.
Is Numbers Up Skill Challenge free?
Numbers Up Skill Challenge is free to download, with no in-app purchases.
Do Number Sum Up or Numbers Up Skill Challenge have ads?
Numbers Up Skill Challenge shows ads; Number Sum Up does not.
Which is updated more often, Number Sum Up or Numbers Up Skill Challenge?
Number Sum Up ships an update every 3 days, and Numbers Up Skill Challenge every 3 days. Most recently, Number Sum Up was updated on September 27, 2026 and Numbers Up Skill Challenge on September 8, 2026.

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