Sudoku (No Limits) vs Surge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- 4 difficulty levels
- 3 input modes
- Pencil marks with auto fill/erase
- Highlighting options
- Intelligent hints
- Online progress tracking
- Real-time competitions
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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
Surge
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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
Verdict
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
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.
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.
| Parameter | Sudoku (No Limits) | Surge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (8.4K ratings) — better | — |
| Positive reviews | 93.5% of reviews | — |
| Number of ratings | 8.4K — better | — |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 11 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | genina.com | Gagan Chawla |
In-app purchases
Sudoku (No Limits)
- Ad-free quarterly$0.993 Months
- Ad-free yearly$2.991 Year
Surge
- Remove Ads$0.99









