Best Cross Sums Apps & Games

168+ iOS apps & games curated and reviewed

4.3 avg rating
19 free apps & games
Updated September 2026

Looking for free cross sums apps and games? 19 of our 168+ tracked titles are free to download โ€” no subscription, no trial. The rest are premium picks worth paying for.

Compare top Cross Sums Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Number Sums - Numbers GameNumber Sums - Numbers GameFree4.6โ˜… (32K)YesYesNov 2026
2Kakuro++ Cross Sums PuzzlesKakuro++ Cross Sums PuzzlesFree4.8โ˜… (641)YesYesOct 2026
3Kakuro: Number CrosswordKakuro: Number CrosswordFree4.8โ˜… (2K)NoYesNov 2026
4Zenkuro: Kakuro Cross SumsZenkuro: Kakuro Cross SumsFreeโ€”YesYesNov 2026
5Kakuro Cross Sums PuzzlesKakuro Cross Sums PuzzlesFree2.3โ˜… (3)YesNoOct 2026
6Kakuro - Cross sumsKakuro - Cross sumsFree1.0โ˜… (1)YesNoNov 2026
7Cross Sum ManiaCross Sum ManiaFree5.0โ˜… (1)NoNoMay 2026
8Kakuro Challenge - Cross SumKakuro Challenge - Cross SumFree4.0โ˜… (64)YesYesOct 2026

Top Picks for Cross Sums

Number Sums - Numbers Game#1

Number Sums - Numbers Game by Easybrain Ltd

Math puzzle games for adults
Editor's Choice
๐ŸŽฎ Games
4.6๐Ÿ˜(32K ratings)
FreeAdsIn-App Purchases
Number Sums - Numbers Game screenshot 1
Number Sums - Numbers Game screenshot 2
Number Sums - Numbers Game screenshot 3
Number Sums - Numbers Game screenshot 4
Number Sums - Numbers Game screenshot 5
Number Sums - Numbers Game screenshot 6

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.

What We Love

  • ๐Ÿง  Challenging brain exercise
  • ๐Ÿ”ข Enjoyable number-based gameplay
  • ๐Ÿ‘ Well-designed interface
  • ๐Ÿ•ฐ๏ธ No time pressure

Room to Improve

  • ๐Ÿ’ข Excessive mid-game ads
  • ๐Ÿค” Toggle button issues
  • ๐Ÿ” Small text/numbers
  • ๐Ÿ”‹ Game drains battery
Kakuro++ Cross Sums Puzzles#2

Kakuro++ Cross Sums Puzzles by Chaviro Software

Logic Puzzle Game with Numbers
Strong Contender
๐ŸŽฎ Games
4.8๐Ÿ˜Š(641 ratings)
FreeAdsIn-App Purchases
Kakuro++ Cross Sums Puzzles screenshot 1
Kakuro++ Cross Sums Puzzles screenshot 2
Kakuro++ Cross Sums Puzzles screenshot 3
Kakuro++ Cross Sums Puzzles screenshot 4
Kakuro++ Cross Sums Puzzles screenshot 5
Kakuro++ Cross Sums Puzzles screenshot 6

This logic puzzle game challenges you to fill a grid with numbers, similar to a crossword. It offers over 3800 puzzles with varying difficulty levels and unique solutions, designed to test your addition and logical reasoning skills.

What We Love

  • ๐Ÿ‘ Clean and beautiful interface design
  • ๐ŸŽฎ Engaging puzzle gameplay mechanics
  • ๐Ÿ“ฆ Substantial free content available
  • ๐Ÿงฉ Well-implemented Kakuro puzzle mechanics
  • โญ High-quality user experience overall
  • ๐ŸŽฏ Easy to use and intuitive controls

Room to Improve

  • ๐Ÿ“บ Intrusive ads and advertisements
  • ๐Ÿ”„ Repetitive puzzle layouts and content
  • ๐Ÿ“œ Poor navigation requiring excessive scrolling
  • โ“ Unclear game features and mechanics
  • ๐Ÿ› Crashes wiping puzzle progress
  • โš ๏ธ Unresolvable puzzles in puzzle sets
Kakuro: Number Crossword#3

Kakuro: Number Crossword by Conceptis Ltd.

Cross sum challenges
Worth Considering
๐ŸŽฎ Games
4.8๐Ÿ˜Š(2K ratings)
FreeIn-App Purchases
Kakuro: Number Crossword screenshot 1
Kakuro: Number Crossword screenshot 2
Kakuro: Number Crossword screenshot 3
Kakuro: Number Crossword screenshot 4
Kakuro: Number Crossword screenshot 5

Fill empty squares with numbers 1-9 so that each block sums to the clue on its left or top. No number can be repeated within a block. This logic puzzle offers endless fun and sharpens cognitive skills.

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Smooth gameplay
  • ๐Ÿ”’ No ads
  • ๐Ÿ’ก Variety of difficulty levels
  • ๐Ÿ‘ Helpful features (pencil marks, check progress)

Room to Improve

  • ๐Ÿ› Some puzzles have multiple valid solutions
  • ๐Ÿ’ก Wish for more advanced solving techniques
  • ๐Ÿ’ก Ability to highlight/add pencil marks to multiple cells at once
  • ๐Ÿ’ก Option to auto-fill pencil marks after using hints

More Cross Sums apps to explore

FAQ about Cross Sums

What are the best cross sums apps & games for iPhone?
Number Sums - Numbers Game tops our cross sums apps & games ranking as of September 2026, with a 4.6-star average from 32K App Store ratings, and it's free to download.
Yes โ€” 19 of the top cross sums apps & games we rank are free to download, including Number Sums - Numbers Game and Kakuro++ Cross Sums Puzzles.
Number Sums - Numbers Game shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 168+ cross sums apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

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