Comparison

Number Sum Up vs AetherSum

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

AetherSum

Features
Read full description

AetherSum is an elegant number puzzle game where you swipe to chain adjacent tiles and hit the target sum. Simple to learn, deeply satisfying to master. HOW TO PLAY • Swipe across neighbouring tiles to form a path • Release when your path sums to the target number • Clear all valid combinations to complete the level • Earn combo bonuses for consecutive matches FEATURES • 99+ progressively challenging levels — all free • Larger grids and trickier targets as you advance • Combo multiplier rewards skillful chains • Speed bonus for fast completions • Achievement system with 22 unlockable badges • 3 beautiful themes (Cosmic, Obsidian, Neon) • Leaderboard to compete with players worldwide • Statistics tracking across all sessions • Full support for English, Traditional Chinese, Simplified Chinese, Japanese, Korean, Spanish No subscriptions. No level gates. Just pure number flow.

Screenshots

Number Sum Up4 screens
AetherSum2 screens

Verdict

The call

The clearest difference is in-app purchases: AetherSum at none against Number Sum Up's 1. Number Sum Up's advantage is ads (none vs shown) and update cadence (every 3 days vs every 3 months). On price and device support 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. AetherSum asks for nothing beyond the download.

UpkeepUpdate frequency

Number Sum Up ships an update every 3 days, AetherSum every 3 months. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 6 level
Number Sum Up versus AetherSum: the parameters behind the verdict, then further details
ParameterNumber Sum UpAetherSum
PriceFreeFree
Rating4.6 (19 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings19 — better—
Update frequencyEvery 3 days — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size197 MB9 MB
Age rating4+4+
DeveloperALICE GAMESSui Fai Law

In-app purchases

1 purchases

Number Sum Up

One-time1
  • Remove Ads$3.99
None

AetherSum

No in-app purchases

Questions

Is Number Sum Up free?
Number Sum Up is free to download, with in-app purchases available.
Is AetherSum free?
AetherSum is free to download, with no in-app purchases.
Do Number Sum Up or AetherSum have ads?
AetherSum shows ads; Number Sum Up does not.
Which is updated more often, Number Sum Up or AetherSum?
Number Sum Up ships an update every 3 days, and AetherSum every 3 months. Most recently, Number Sum Up was updated on September 27, 2026 and AetherSum on September 30, 2026.

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