Comparison

Sudoku (No Limits) vs Surge

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

Surge

Read full description

Surge is a fast-paced precision arcade game where perfect timing is everything. Tap at the exact moment to hit perfect rings, build combos, and push your reflexes to the limit. Features: • Simple one-tap gameplay • Endless and challenge modes • Combo multipliers and score tracking • Smooth haptics and visual feedback • Optional ad-free upgrade Can you master the perfect rhythm?

Screenshots

Sudoku (No Limits)4 screens
Surge4 screens

Verdict

The call

The clearest difference is update cadence: Surge at fortnightly against Sudoku (No Limits)'s every 7 months. Surge also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases 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. Sudoku (No Limits) sells 2 in-app purchases, starting at $0.99 per 3 months and Surge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Sudoku (No Limits) ships an update every 7 months, Surge fortnightly. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
Sudoku (No Limits) versus Surge: the parameters behind the verdict, then further details
ParameterSudoku (No Limits)Surge
PriceFreeFree
Rating4.8 (8.4K ratings) — better—
Positive reviews93.5% of reviews—
Number of ratings8.4K — better—
Update frequencyEvery 7 monthsFortnightly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.1 — better
Further details — not scored
Size11 MB47 MB
Age rating4+4+
Developergenina.comGagan Chawla

In-app purchases

2 purchases

Sudoku (No Limits)

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

Surge

One-time1
  • Remove Ads$0.99

Questions

Is Sudoku (No Limits) free?
Sudoku (No Limits) is free to download, with in-app purchases available.
Is Surge free?
Surge is free to download, with in-app purchases available.
Do Sudoku (No Limits) or Surge have ads?
Both Sudoku (No Limits) and Surge show ads.
Which is updated more often, Sudoku (No Limits) or Surge?
Sudoku (No Limits) ships an update every 7 months, and Surge fortnightly. Most recently, Sudoku (No Limits) was updated on October 26, 2026 and Surge on October 10, 2026.

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