Intelligence Test vs The Einstein`s Riddle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Intelligence Test
Discover your IQ with a free intelligence test. Get instant results to see if you measure up to genius levels. This game offers a quick way to assess your cognitive abilities.
- Free intelligence test
- Instant IQ score
- Assess cognitive abilities
- Suitable for all ages
- Available on iOS devices
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Is your IQ score high enough to be considered a genius? Take this free intelligence test and see your score instantly!
The Einstein`s Riddle
Engage your mind with challenging logic puzzles, including a modern take on the classic 15 Puzzle and the timeless Peg Solitaire. Test your reasoning skills with evolving rules and progressive difficulty across various game modes, designed to keep your brain sharp and active.
- Logic puzzle experience
- Slide Puzzle (15 Puzzle)
- Peg Solitaire
- Multiple game modes (Classic, Timer, Challenge)
- Progressive campaign mode
- Modern visuals and animations
- Brain training exercises
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Einstein’s Riddle is a logic puzzle experience designed to challenge your mind and reasoning skills. Do you dare to face the riddle Albert Einstein claimed was impossible for 98 percent of the population? Discover if you belong to the 2 percent who truly master logical thinking. In Einstein’s Riddle, classic logic puzzles are presented with modern visuals, smooth animations and evolving rules that constantly challenge the way you think. Every move matters and every decision has consequences. This game pushes your mental limits in an experience where logic and controlled chaos go hand in hand. Slide Puzzle (15 Puzzle) Arrange the board, race against time and adapt to changing rules inspired by Einstein himself. The classic 15 Puzzle returns with progressive difficulty and multiple game modes that demand strategy and quick thinking. Available game modes include 1. Classic Mode, solve puzzles at your own pace with no time pressure 2. Timer Mode, race against the clock and improve your performance 3. Challenge Mode, each level introduces new mechanics such as bombs, frozen tiles and locked pieces Campaign mode features progressive worlds with 3x3, 4x4 and 5x5 boards. Each stage increases difficulty and introduces new mechanics, creating a true test of logic, memory and focus. The game features a clean interface, vibrant colors and fluid animations designed for clarity and immersion. This is a smart, fun and highly engaging puzzle experience. Peg Solitaire In addition to the Slide Puzzle, Einstein’s Riddle also includes Peg Solitaire, a timeless logic challenge. The objective is simple but difficult to master. Remove all pegs from the board until only one remains. Key characteristics include traditional rules, strategic moves that require planning and foresight, and gameplay that encourages concentration, patience and logical reasoning. Peg Solitaire offers a calm, elegant and deeply satisfying experience. Train your brain every day Logic puzzles are more than entertainment. They stimulate reasoning, memory and problem solving skills, helping keep the mind active, sharp and engaged over time. Whether you want to relax, challenge yourself or simply keep your brain active, Einstein’s Riddle is a reliable companion for anyone who enjoys thinking, learning and mental growth at any age. Train your mind. Enjoy the challenge. Discover how far your reasoning can go.
Screenshots
Verdict
The clearest difference is in-app purchases: The Einstein`s Riddle at none against Intelligence Test's 1. The Einstein`s Riddle also leads on update cadence (every 3 weeks vs every 5 months) and review sentiment (41% vs 30%). Intelligence Test's advantage is rating (4.5 vs 4.3). On price, ratings volume, ads 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. Intelligence Test sells 1 one-off in-app purchase. The Einstein`s Riddle asks for nothing beyond the download.
Intelligence Test holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 16 and 28 respectively. Written reviews complicate that: 30% of Intelligence Test's written reviews are positive against 41% of The Einstein`s Riddle's, so the app with the better star average is not the one people write more warmly about.
Intelligence Test ships an update every 5 months, The Einstein`s Riddle every 3 weeks. The most recent releases landed on September 13, 2026 and June 1, 2026 respectively.
| Parameter | Intelligence Test | The Einstein`s Riddle |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (16 ratings) — better | 4.3 (28 ratings) |
| Positive reviews | 30.0% of reviews | 41.2% of reviews — better |
| Number of ratings | 16 | 28 — better |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 56 MB | 47 MB |
| Age rating | 4+ | 12+ |
| Developer | Horea Bucerzan | Rodrigo Daboit |
Customer experience
Intelligence Test
The Einstein`s Riddle
In-app purchases
Intelligence Test
- Extra Content + Ad-Free$3.99
The Einstein`s Riddle
No in-app purchases
Questions
Is Intelligence Test free?
Is The Einstein`s Riddle free?
Which has better reviews, Intelligence Test or The Einstein`s Riddle?
Do Intelligence Test or The Einstein`s Riddle have ads?
Which is updated more often, Intelligence Test or The Einstein`s Riddle?
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