Comparison

Sudoku Cam vs Nuddle

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

Head to head
About

Sudoku Cam

Easily digitize paper Sudoku puzzles by scanning them with your phone's camera. Get help with hints or have the app solve challenging puzzles for you. You can also generate new puzzles from scratch.

Highlights
  • Scan paper Sudoku puzzles
  • Solve puzzles within the app
  • Get puzzle hints
  • Automatic puzzle solving
  • Generate new Sudoku puzzles
Read full description

Get stuck on a Sudoku puzzle and don't know the answers? Playing a sudoku puzzle on paper and want to complete it on your phone? Want to generate a new sudoku puzzle from scratch? Try Sudoku Cam! Sudoku Cam allows you to easily bring your paper sudoku puzzles onto your iPhone. Simply scan the puzzle using the camera, and then complete the puzzle within the app! If you get stuck, you can ask for a hint or have the app solve the puzzle for you.

About

Nuddle

Engage your mind with daily number sequence puzzles. Discover the underlying system to find the missing digits and build your solving streak. Enjoy unlimited random puzzles and share challenges with friends.

Highlights
  • Daily global number puzzles
  • Infinite random sequences
  • Streak building system
  • Local puzzle caching
  • Share puzzles with friends
  • Recognize number systems
Features
Read full description

Solve number sequences and daily number puzzles in short, focused brain breaks. Spot patterns in number sequences, solve the Daily Nuddle, and keep your streak alive. When you want more, jump into quick mental-math rounds, pattern sprints, memory challenges, Code Recall, and Number Matrix. Nuddle is not a traditional exam-prep app. But if you want training for MedAT or other admission tests on the go, it can help you practice faster pattern recognition, focused number work, and memory in short sessions. Each puzzle is short enough for any spare moment, but clever enough to feel satisfying when the rule clicks. No long instructions, no puzzle clutter: Nuddle shows you numbers, you find the system. What you get: - Logic: Sequences, Sequence Challenge, Number Matrix, Emoji Equations, Dice Fold - Speed: Quick Math, Pattern Sprint, Number Rush, Odd One Out, True or False, Path to Target, Gravity Shift - Memory: Target Recall, Code Recall, Count Recall, Path Recall, Match Math - Casual: Four in a Row, Tower of Hanoi, Merge, Nonogram - Admission-test training on the go - Local progress, streaks, and best scores - Light and dark design - Offline play whenever you want a quick brain break Nuddle is for anyone who likes number puzzles, logic games, mental math, patterns, and small daily challenges. Download Nuddle and find the next two numbers. Nuddle is free to download and includes the Daily Nuddle plus selected game modes at no cost. Nuddle Plus is available as an optional auto-renewable monthly or yearly subscription and unlocks all game modes while the subscription is active. Nuddle contains no ads. Payment is charged to your store account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your store account settings. You can try every locked game mode once for free before subscribing. Terms of Use (EULA): https://nuddle.schmutweiss.com/terms Privacy Policy: https://nuddle.schmutweiss.com/privacy

Screenshots

Sudoku Cam4 screens
Nuddle4 screens

Verdict

The call

The clearest difference is rating: Nuddle at 4.9 against Sudoku Cam's 4.2. Nuddle also leads on update cadence (weekly vs fortnightly). Sudoku Cam's advantage is in-app purchases (none vs 3). On price, review sentiment, ratings volume and ads 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. Nuddle sells 3 in-app purchases, starting at $4.99 per month. Sudoku Cam asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Nuddle holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews complicate that: 50% of Sudoku Cam's written reviews are positive against 43% of Nuddle's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Sudoku Cam ships an update fortnightly, Nuddle weekly. Both last shipped on November 3, 2026.

Scorecard4 real differences · 6 level
Sudoku Cam versus Nuddle: the parameters behind the verdict, then further details
ParameterSudoku CamNuddle
PriceFreeFree
Rating4.2 (5 ratings)4.9 (8 ratings) — better
Positive reviews50.0% of reviews — better42.9% of reviews
Number of ratings58 — better
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size36 MB42 MB
Age rating4+4+
DeveloperJeffrey WolbergSCHMUT WEISS GmbH

Customer experience

Sudoku Cam

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Nuddle

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive42.9%
Neutral28.6%
Negative28.6%

In-app purchases

None

Sudoku Cam

No in-app purchases

3 purchases

Nuddle

Subscriptions2
  • Nuddle Plus Monthly$4.991 Month
  • Nuddle Plus Yearly$14.991 Year
One-time1
  • Remove ads$12.99

Questions

Is Sudoku Cam free?
Sudoku Cam is free to download, with no in-app purchases.
Is Nuddle free?
Nuddle is free to download, with in-app purchases available.
Which has better reviews, Sudoku Cam or Nuddle?
Nuddle is rated higher. Sudoku Cam averages 4.2 out of 5 from 5 ratings, while Nuddle averages 4.9 from 8 ratings.
Do Sudoku Cam or Nuddle have ads?
Neither Sudoku Cam nor Nuddle shows ads.
Which is updated more often, Sudoku Cam or Nuddle?
Sudoku Cam ships an update fortnightly, and Nuddle weekly. Most recently, Sudoku Cam was updated on November 3, 2026 and Nuddle on November 3, 2026.

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