Comparison

Dr Evil's Math Challenge Game vs Pick The Difference

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

Head to head
About

Dr Evil's Math Challenge Game

A unique number puzzle game blending Sudoku mechanics with arithmetic challenges. Solve puzzles by making cells in 3x3 houses add up to 10, with added column sum targets in advanced modes. Enjoy a 1970s disco game show theme with a funky soundtrack and a mad-scientist host.

Highlights
  • Arithmetic number puzzles
  • Sudoku-like house sums
  • Column sum targets (Gauntlet mode)
  • Daily challenges
  • Multiple difficulty levels
  • Disco funk soundtrack
  • Interactive tutorial
Features
Read full description

Think Sudoku, but with arithmetic and a whole lot of disco. Welcome to Dr Evil's Math Lab. Fill every 3x3 house so all nine cells add up to exactly 10. Sounds simple? Try it with 25 houses on the board and column targets breathing down your neck. Dr Evil's Math Challenge is a number puzzle game wrapped in a 1970s game show theme—complete with a disco funk soundtrack, a theatrical mad-scientist host, and enough groovy style to make your calculator jealous. WHAT'S INCLUDED - Easy, Medium, and Hard difficulty (4, 9, or 16 houses) - Daily challenges with a new puzzle every day - Interactive tutorial hosted by Dr Evil himself - The Gauntlet on Easy: column sum targets that add a second layer of challenge - Game Center leaderboard - Two funky soundtrack tracks - Drag-and-drop or tap-to-place controls - Save and resume your game anytime - Full stats: games played, best times, daily streaks THE GAUNTLET — YOUR NEW OBSESSION This is not just another number puzzle. In Gauntlet mode, every column on the board has a target sum. Houses must still add to 10, AND columns must match their targets. One correct arrangement. Zero room for error. It turns a relaxing puzzle into a genuine brain workout. GO PRO — UNLOCK EVERYTHING - Expert mode: 5x5 grid with 25 houses and 225 cells - Expert daily challenges - The Gauntlet on all difficulties - 14 additional disco funk tracks (16 total) - Advanced stats: streaks, trends, per-difficulty breakdowns - Gauntlet-specific performance tracking - Daily challenge archive: 90 days of past puzzles - Unlimited undo (standard play includes one per game) HOW TO PLAY 1. Tap a number tile in the deck to pick it up 2. Tap an empty cell in any house to place it 3. Fill all nine cells so the house sums to exactly 10 4. Complete every house on the board to win Drag tiles directly onto the board, swap placed tiles, or use the undo button. The interactive tutorial walks you through it in under 90 seconds. FEATURES AT A GLANCE - 4 difficulty levels: Easy, Medium, Hard, Expert - Daily challenges with streak tracking - The Gauntlet: column sum target mode - 16 original disco funk music tracks - 10 Dr Evil character poses and animations - Pinch-to-zoom on larger boards - Universal app: iPhone and iPad Dr Evil is waiting... impatiently. Download now to start your daily brain training and see if you can beat The Gauntlet!

About

Pick The Difference

Engage in a relaxing puzzle game by comparing two nearly identical images to find subtle distinctions. This easy-to-play experience is ideal for beginners seeking to sharpen their observation skills at their own pace.

Highlights
  • Compare two similar images
  • Find subtle differences
  • Circle the discrepancies
  • Improve observation skills
  • Relaxing puzzle experience
  • Beginner-friendly gameplay
Features
Read full description

The "Find the Difference" game is a fun and simple puzzle where players look at two similar pictures and spot the small differences between them. Each image has a few subtle changes, like missing objects, different colors, or added details. The goal is to find all the differences and circle them! This version is designed to be easy, making it perfect for beginners or anyone who wants to enjoy a relaxing challenge. Players can take their time and have fun while improving their observation skills. Ready to play? Let’s spot the differences!

Screenshots

Dr Evil's Math Challenge Game4 screens
Pick The Difference4 screens

Verdict

The call

The clearest difference is in-app purchases: Pick The Difference at none against Dr Evil's Math Challenge Game's 3. Pick The Difference also leads on iOS requirement (13.0 vs 18.0). Dr Evil's Math Challenge Game's advantage is ads (none vs shown). On price 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. Dr Evil's Math Challenge Game sells 3 one-off in-app purchases. Pick The Difference asks for nothing beyond the download.

Scorecard4 real differences · 6 level
Dr Evil's Math Challenge Game versus Pick The Difference: the parameters behind the verdict, then further details
ParameterDr Evil's Math Challenge GamePick The Difference
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 91 months—
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size322 MB139 MB
Age rating4+4+
DeveloperSocially Conscious Software LLCGreen Camel FZE LLC

Customer experience

Dr Evil's Math Challenge Game

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Pick The Difference

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

Dr Evil's Math Challenge Game

One-time3
  • Unlock Medium$0.99
  • Unlock Hard$0.99
  • Unlock Pro$0.99
None

Pick The Difference

No in-app purchases

Questions

Is Dr Evil's Math Challenge Game free?
Dr Evil's Math Challenge Game is free to download, with in-app purchases available.
Is Pick The Difference free?
Pick The Difference is free to download, with no in-app purchases.
Do Dr Evil's Math Challenge Game or Pick The Difference have ads?
Pick The Difference shows ads; Dr Evil's Math Challenge Game does not.

Other comparisons