Dr Evil's Math Challenge Game vs Einstein Riddle Megamix
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Arithmetic number puzzles
- Sudoku-like house sums
- Column sum targets (Gauntlet mode)
- Daily challenges
- Multiple difficulty levels
- Disco funk soundtrack
- Interactive tutorial
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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!
Einstein Riddle Megamix
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Einstein Riddle Megamix is a logical puzzle inspired by the well-known Einstein’s Riddle (also known as the Zebra Puzzle or Logic Elimination). Unlike the original, this game offers four different versions, each with a unique twist. The first version follows the classic format: each row represents a distinct set of items (such as fruits, animals, cars, etc.). You are given a list of clues like “The apple is to the left of the rabbit,” “The car is in the same column as the book,” or “The duck is next to the bottle.” Using deductive reasoning, you gradually determine the correct positions of all items. By piecing together the clues step by step, you eventually arrive at the complete solution. Each riddle has a single, unique answer. The other three versions build on the same logical foundation but introduce new gameplay mechanics. In one variation, the icons are scattered randomly across the board rather than organized in rows. Another uses the same set of icons for all groups. The final version features just one set of icons shared across the entire board. Each variation offers a distinct and refreshing gameplay experience. Game Features - Thousands of riddles in various sizes, from easy to truly challenging - Four distinct versions of the puzzle, each offering a unique gameplay experience - Daily Challenge featuring 16 brand-new puzzles every day - Weekly Challenge with 40 fresh, unique puzzles each week - Play anytime - no internet connection needed - Intuitive system for tracking your progress toward the solution - Clues presented both visually and with written descriptions How to Play - Start by checking the clues to get initial hints about item placement. - Click on a clue, then tap the “?” icon for a detailed written explanation of the pictograms. - Use the clues and logical deduction to eliminate possibilities and determine the correct locations of the items. - Once you're sure about an item's position, click on the cell and place the item. - Place all items correctly to solve the puzzle and win the game! If you enjoy puzzles, riddles, and logic challenges, this game is just what you're looking for! Privacy Policy: https://blackpumalabs.com/privacy_policy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Dr Evil's Math Challenge Game at none against Einstein Riddle Megamix's shown. Einstein Riddle Megamix's advantage is update cadence (every 4 days vs every 91 months) and iOS requirement (15.3 vs 18.0). On price, 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. Dr Evil's Math Challenge Game sells 3 one-off in-app purchases and Einstein Riddle Megamix sells 6 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Dr Evil's Math Challenge Game ships an update every 91 months, Einstein Riddle Megamix every 4 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Dr Evil's Math Challenge Game | Einstein Riddle Megamix |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 91 months | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.3 — better |
| Further details — not scored | ||
| Size | 322 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Socially Conscious Software LLC | LIBOR MASICEK |
In-app purchases
Dr Evil's Math Challenge Game
- Unlock Medium$0.99
- Unlock Hard$0.99
- Unlock Pro$0.99
Einstein Riddle Megamix
- Supporter | Weekly$0.997 Days
- Supporter | Monthly$1.991 Month
- Supporter | Yearly$14.991 Year
- +10 hints$0.99
- +25 hints$1.99
- +100 hints$4.99
Questions
Is Dr Evil's Math Challenge Game free?
Is Einstein Riddle Megamix free?
Do Dr Evil's Math Challenge Game or Einstein Riddle Megamix have ads?
Which is updated more often, Dr Evil's Math Challenge Game or Einstein Riddle Megamix?
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