Comparison

KakuroX vs Kakuro u

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

Head to head
About

KakuroX

This app offers an endless supply of Sudoku and Kakuro puzzles for your iOS device. Enjoy a variety of sizes and difficulty levels, with boards generated on demand for unlimited gameplay.

Highlights
  • Unlimited Sudoku boards
  • Unlimited Kakuro boards
  • Customizable board sizes
  • Adjustable difficulty levels
  • On-demand board generation
Features
Read full description

KakuroX brings an unlimited number of Sudoku and Kakuro boards to your iPhone, iPod Touch or iPad. Kakuro is a numeric logic game in a similar style to Sudoku. KakuroX allows you to generate and play boards of various sizes and difficulties, and since it generates the boards on demand there is no limit to the number of games you can play.

About

Kakuro u

Engage in a classic math logic puzzle game that offers a challenging and addictive experience. Explore a vast number of puzzles with unique features designed for daily brain training or relaxation. Progress through difficulty levels and master complex number combinations.

Highlights
  • Unlimited Kakuro puzzles
  • Puzzle generator
  • Bookmark and 'Ball of String' function
  • Combo calculator
  • Color-coded entries
  • Multiple hint types
  • Six difficulty levels and board sizes
Features
Read full description

The most powerful and feature rich mobile Kakuro game available. (Smartphone Magazine - Best Number Puzzle Game Winner 2007, 2008) Ready for a new challenge? Kakuro, also known as cross sums, is similar to Sudoku but with an additional twist. It is the latest craze to come from the land of the rising sun. Infact it's a bigger hit in Japan than SuDoku ! Similar rules and just as addictive... V3 Features a Brand New Puzzle Generator - All puzzles guaranteed to be solvable by logic alone. Kakuro is our mathematics and logic puzzle game that includes many unique features. Ideal for daily brain training or relaxation. "As the Kakuro puzzles get more advanced, the Mastersoft tools supplied are extremely clever and really help. If you like logic puzzles, I recommend Mastersoft’s ingenious implementation of this game." - Smartphone Magazine Features: Unlimited kakuros. * Many Unique Mastersoft Features including the ability to set bookmarks (or flags) during the game, which allows you to explore possible solutions and quickly get back to a known starting point if it doesn't work out using the 'Ball of String' function. Includes a uniques 'combo calcuator' which quickly shows you potential number combinations for each sequence in the puzzle. Ball of String, Flag Trail, combo calc and more ... Work your way up from Beginner to Kakuro Master ! Cool scoring system. Easily the most powerful Kakuro / Cross Sums game for iPhone. Enter your working out. Choose from a full pallette to color code your entries which with multiple undos makes it easy to try different solution strategies.. Various types of hint such including: 1. Naked Singles 2. Unique Combos 3. Suggest a Cell 4. Suggest a value and many more ... Six levels of difficulty from 'Simple' to "Kakuro Master" . Six board sizes. Unique gameplay with increasing difficulty. Designed with the help of over 100 Kakuro Players. Plays the way you want it to ! Built in timer. Rating. Advanced statistics. and Lots, lots more! >- EULA Agreement: http://www.mastersoftmobilesolutions.com/eula.htm Privacy policy: http://www.mastersoftmobilesolutions.com/privacy.htm About our auto-renewal subscriptions: All subscriptions are related to our Kakuro Pro service. See "What's Included" for more details. Service prices depend on the length of service purchased as shown on the purchase buttons. You can currently subscribe for 1 month. Payment will be charged to your iTunes account upon confirmation of purchase. Your subscription will be automatically renewed unless automatic renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period and the cost of renewal will be shown. You can manage your subscriptions, and auto-renewal can be turned off if you go to your account settings after purchase.

Screenshots

KakuroX3 screens
Kakuro u4 screens

Verdict

The call

The clearest difference is price: Kakuro u at Free against KakuroX's $0.99. Kakuro u also leads on rating (4.5 vs 3.2) and ratings volume (302 vs 14). KakuroX's advantage is in-app purchases (none vs 2) and ads (none vs shown). On review sentiment 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

Kakuro u is free to download; KakuroX costs $0.99 up front. Kakuro u sells 2 in-app purchases, starting at $1.99 per month. KakuroX asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kakuro u holds the better App Store score, 4.5 against 3.2. That said, the two scores are not equally well evidenced: Kakuro u has 302 ratings behind it against 14, so its average is the more settled of the two. Written reviews split almost evenly too, at 45% and 44% positive.

UpkeepUpdate frequency

KakuroX ships an update every 2 months, Kakuro u every 3 weeks. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

Scorecard8 real differences · 2 level
KakuroX versus Kakuro u: the parameters behind the verdict, then further details
ParameterKakuroXKakuro u
Price$0.99Free — better
Rating3.2 (14 ratings)4.5 (302 ratings) — better
Positive reviews44.6% of reviews — better43.9% of reviews
Number of ratings14302 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better14.1
Further details — not scored
Size25 MB168 MB
Age rating4+17+
DeveloperFiendsoftMastersoft

Customer experience

KakuroX

All ratings14 ratings
Positive57.1%
Neutral0.0%
Negative42.9%
Written reviews56 reviews
Positive44.6%
Neutral12.5%
Negative42.9%

Kakuro u

All ratings299 ratings
Positive90.3%
Neutral3.7%
Negative6.0%
Written reviews132 reviews
Positive43.9%
Neutral7.6%
Negative48.5%

Bugs and requests

KakuroX

Not enough reviews yet to summarise bugs or requests.

Kakuro u

Reported bugs

5 issues
  • Glitchy, crashes often
  • Doesn't work on iOS 8
  • Doesn't work anymore after updates
  • Buttons don't respond
  • Loses progress when app is interrupted

Requested features

3 requests
  • Easier way to mark the board and rewind to an earlier mark
  • Dark mode option
  • More hints for beginners

In-app purchases

None

KakuroX

No in-app purchases

2 purchases

Kakuro u

Subscriptions1
  • Monthly Pro Subscription$1.991 Month
One-time1
  • Purchase Kakuro Outright$2.99

Questions

Is KakuroX free?
KakuroX costs $0.99, with no in-app purchases.
Is Kakuro u free?
Kakuro u is free to download, with in-app purchases available.
Which has better reviews, KakuroX or Kakuro u?
Kakuro u is rated higher. KakuroX averages 3.2 out of 5 from 14 ratings, while Kakuro u averages 4.5 from 302 ratings.
Do KakuroX or Kakuro u have ads?
Kakuro u shows ads; KakuroX does not.
Which is updated more often, KakuroX or Kakuro u?
KakuroX ships an update every 2 months, and Kakuro u every 3 weeks. Most recently, KakuroX was updated on October 21, 2026 and Kakuro u on October 26, 2026.

Other comparisons