Comparison

Sudoku (No Limits) vs Sudoku 20,000+

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

Head to head
About

Sudoku (No Limits)

This app offers a digital Sudoku experience with multiple difficulty levels and input modes. It includes features like pencil marks, intelligent hints, and auto-saving, allowing you to track progress and compete with others online.

Highlights
  • 4 difficulty levels
  • 3 input modes
  • Pencil marks with auto fill/erase
  • Highlighting options
  • Intelligent hints
  • Online progress tracking
  • Real-time competitions
Features
Read full description

Sudoku with no limits: every level, every feature, every puzzle – yours from the start. Pick your challenge – Easy, Medium, Hard or Extreme – and solve with an interface that keeps every tool a tap away. Interrupted? Just leave: your puzzle is saved exactly as you left it. Want to see how you compare? Upload your results, check the top scores, or join the weekly Sudoku competition. Features: * 4 difficulty levels: Easy, Medium, Hard, Extreme * Custom mode: enter any puzzle and solve it in the same familiar interface * 3 input modes: "Digit first", "Cell first" or pop-up * Pencil marks (notes) with automatic fill and erase * Highlighting of the selected digit, plus crosshairs for the current row, column and box * Digit counts show how many of each digit are placed * Smart hints that use logic only – never guesses * Two levels of automatic error checking * Unlimited undo and redo * Night and Day modes * Auto-save * Plays offline – no internet needed to solve * Works on iPhone and iPad * Online results, top scores, history and real-time competitions Free with ads. Prefer no ads? An optional ad-free subscription is available in the app. Questions or suggestions? Contact us at sudoku@genina.com. Like us on Facebook: https://www.facebook.com/Genina-135806803144543 Follow us on X: @GeninaDotCom Or visit us online: http://www.genina.com/apps/sudoku/ Enjoy! PS The use of this application is governed by the standard Apple Terms of Use (EULA) located here - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/, and is subject to our Privacy Policy located here - http://www.genina.com/pages/privacy/privacy.jsf

About

Sudoku 20,000+

Challenge your mind with over 20,000 classic Sudoku puzzles. Featuring 7 difficulty levels, daily challenges, and helpful tools like notes and hints, it's perfect for brain training and relaxation.

Highlights
  • Over 20,000 Sudoku puzzles
  • 7 difficulty levels
  • Daily Challenge
  • Note & Auto-Note functions
  • Hint system
  • Undo function
Features
Read full description

Challenge your brain with Sudoku! "Nanpure" is a classic Sudoku app designed for puzzle lovers and seniors who enjoy training their minds. With over 20,000 puzzles, from easy levels to extremely hard challenges, this app is perfect for both casual play and serious brain workouts. ◆ Features ・Over 20,000 Sudoku puzzles to enjoy ・7 difficulty levels: from beginner-friendly to expert-level challenges ・Daily Challenge: a new puzzle every day ・Note & Auto-Note functions to help you play comfortably ・Hint system when you get stuck ・Undo function for stress-free solving ・Subscription option to remove ads ◆ Recommended for ・Seniors who want to keep their minds sharp ・Puzzle fans who love solving difficult Sudoku ・Players looking for real brain training and logical thinking practice ・Anyone who wants a relaxing way to focus and refresh ・Advanced users seeking “impossible” Sudoku challenges ◆ How to play Fill the 9x9 grid with numbers 1–9, making sure no duplicates appear in the same row, column, or block. Start with an easy puzzle, then climb your way up to extreme expert-level Sudoku. Use hints and notes whenever needed. ◆ Brain Training & Relaxation Sudoku is not only fun—it’s also great for memory, concentration, and preventing cognitive decline. Seniors and puzzle lovers alike can enjoy sharpening their logic skills while relaxing at the same time. Download “Nanpure” now and put your brain to the ultimate test! --- About in-app subscriptions - What you can do with an in-app subscription You can remove ads in the app. $ $3.49 / month --- Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. After purchase, manage your subscriptions in App Store Account Settings. Any unused portion of a free trial period, will be forfeited when the user purchases a subscription. --- privacy policy: https://zero2one-mys.github.io/sudoku/privacy-policy/ Terms & Conditions: https://zero2one-mys.github.io/sudoku/terms-and-conditions/

Screenshots

Sudoku (No Limits)4 screens
Sudoku 20,000+3 screens

Verdict

The call

Sudoku (No Limits) and Sudoku 20,000+ both sit at 4.8 stars, but that hides the real split: 93% of Sudoku (No Limits)'s written reviews are positive against 33% of Sudoku 20,000+'s. Sudoku (No Limits) also leads on ratings volume (8.5K vs 8). Sudoku 20,000+'s advantage is update cadence (every 2 months vs every 7 months) and iOS requirement (15.6 vs 17.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sudoku (No Limits) sells 2 in-app purchases, starting at $0.99 per 3 months and Sudoku 20,000+ sells 1 in-app purchase, starting at $3.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for Sudoku (No Limits) against 4.9 for Sudoku 20,000+. That said, the two scores are not equally well evidenced: Sudoku (No Limits) has 8.5K ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 93% of Sudoku (No Limits)'s written reviews are positive against 33% of Sudoku 20,000+'s.

UpkeepUpdate frequency

Sudoku (No Limits) ships an update every 7 months, Sudoku 20,000+ every 2 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Sudoku (No Limits) versus Sudoku 20,000+: the parameters behind the verdict, then further details
ParameterSudoku (No Limits)Sudoku 20,000+
PriceFreeFree
Rating4.8 (8.5K ratings)4.9 (8 ratings) — better
Positive reviews93.4% of reviews — better33.3% of reviews
Number of ratings8.5K — better8
Update frequencyEvery 7 monthsEvery 2 months — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.6 — better
Further details — not scored
Size11 MB61 MB
Age rating4+4+
Developergenina.comryo fujise

Customer experience

Sudoku (No Limits)

All ratings8,456 ratings
Positive97.5%
Neutral1.4%
Negative1.2%
Written reviews1,841 reviews
Positive93.4%
Neutral3.1%
Negative3.5%

Sudoku 20,000+

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

2 purchases

Sudoku (No Limits)

Subscriptions2
  • Ad-free quarterly$0.993 Months
  • Ad-free yearly$2.991 Year
1 purchases

Sudoku 20,000+

Subscriptions1
  • Remove in-app advertisements.$3.491 Month

Questions

Is Sudoku (No Limits) free?
Sudoku (No Limits) is free to download, with in-app purchases available.
Is Sudoku 20,000+ free?
Sudoku 20,000+ is free to download, with in-app purchases available.
Which has better reviews, Sudoku (No Limits) or Sudoku 20,000+?
Sudoku 20,000+ is rated higher. Sudoku (No Limits) averages 4.8 out of 5 from 8.5K ratings, while Sudoku 20,000+ averages 4.9 from 8 ratings.
Do Sudoku (No Limits) or Sudoku 20,000+ have ads?
Both Sudoku (No Limits) and Sudoku 20,000+ show ads.
Which is updated more often, Sudoku (No Limits) or Sudoku 20,000+?
Sudoku (No Limits) ships an update every 7 months, and Sudoku 20,000+ every 2 months. Most recently, Sudoku (No Limits) was updated on November 4, 2026 and Sudoku 20,000+ on November 3, 2026.

Other comparisons