Unfoldit vs Eureka
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Unfoldit
This app offers a unique puzzle experience where you visualize folding paper and predicting where holes will appear. It's designed to sharpen spatial reasoning, memory, and logic skills through over 1,800 levels. Enjoy brain training that fits into your day, with progress tracking and offline play.
- Visualize paper folds and hole punches
- 1,885+ handcrafted levels
- Hints and step-by-step animations
- Strengthen focus and memory
- Track stats for accuracy and speed
- Offline play
- iCloud sync across devices
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BOOST YOUR BRAINPOWER WITH EVERY FOLD & PUNCH. Sharpen your spatial reasoning, short-term memory, and logic skills — one puzzle at a time. Unfoldit is the original brain training game of paper folding and hole punching, inspired by real cognitive assessments and enjoyed by thousands around the world. BRILLIANT VISUAL PUZZLES THAT WORK YOUR MIND. • Visualize folds and mentally unfold them to predict hole punches across 1,885+ handcrafted levels • Start easy and progress through expert-level puzzles with precision • Learn as you go — hints and step-by-step unfolding animations guide you • Strengthen focus, memory, and cognitive flexibility with each puzzle BASED ON REAL COGNITIVE SCIENCE. • Modeled after spatial reasoning and visual memory tests used in academia, research, and admissions • Gameplay designed to challenge and enhance short-term memory and attention • Used by students, professionals, and puzzle lovers alike TAP IT, UNFOLD IT, WIN IT. • Short levels are perfect for those in-between moments throughout your day • Play hundreds of free levels — no ads, no distractions BUILT FOR PLAY — AND FOR PROGRESS. • Track your stats for each level — accuracy, speed, and precision • Personalize your experience with light/dark mode and gameplay settings • Play offline anytime — on flights, subways, or in short breaks INTEGRATED WITH YOUR LIFE. • Sync progress and stats automatically with iCloud across iPhone, iPad, and Mac • Set optional daily reminders for encouragement to build a brain-training habit • Share level links with friends to challenge them to solve what you’ve mastered • Use Handoff to continue levels between devices for seamless gameplay • Use Siri Shortcuts to jump back into your next level instantly AWARD-WINNING & FEATURE-RICH. Unfoldit was a finalist in the 2019 Georgia Tech InVenture Prize invention competition. It's been refined for thoughtful minds, clever thinkers, and everyday geniuses. UNFOLD YOUR MIND. START TRAINING TODAY. Download Unfoldit now and join a global community of players improving their minds one fold at a time.
Eureka
This app offers over 50 mini-games designed to test and improve various cognitive skills like logic, memory, creativity, and focus. It provides a fun and challenging way to stimulate your brain and see if you can outsmart others.
- Over 50 mini-games
- Tests logic, memory, creativity, speed
- Improves focus and brain skills
- Diverse and unique puzzles
- Addictive brain challenge
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If you think you are smart, think twice! Eureka is the right brain game to tell if you are a real genius! Featuring more than 50 mini-games to challenge your brain skills (logic, memory, creativity, speed, reflex, focus, etc.), Eureka is the addictive brain challenge your brain needs to go from dumb to genius. Are you up to the challenge? Eureka is full of brainteasers and fun mini-games that you can enjoy forever. Each brain game will be different from the previous, so you can enjoy original, creative and unique puzzles specifically designed to push your brain limits! Are you smarter than your friends are? Do you think outside the box? Can you pass more than 50 different brainy tricky mini-games? Eureka is the brain challenge you need! GAME FEATURES: • Diverse gameplay to keep your brain activated for hours • Each level is a different brain game • Simple to learn and easy to understand • Fun yet challenging brain challenge • Improve your focus and brain skills with diverse mini-games Accept the brain challenge and prove you have a creative mind! Infinity Games aims to provide the best game experience within its titles. We love showcasing new minimalist puzzle games and making people think while relaxing. Do you like our work? Connect below: Facebook: https://www.facebook.com/infinitygamespage Instagram: 8infinitygames (https://www.instagram.com/8infinitygames/)
Screenshots
Verdict
The clearest difference is ads: Unfoldit at none against Eureka's shown. Unfoldit also leads on review sentiment (98% vs 77%) and rating (4.9 vs 4.7). On price, ratings volume, update cadence and in-app purchases 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. Unfoldit sells 7 one-off in-app purchases and Eureka sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Unfoldit holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 607 and 513 respectively. Written reviews point the same way: 98% of Unfoldit's written reviews are positive against 77% of Eureka's.
Unfoldit ships an update every 3 weeks, Eureka every 4 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Unfoldit | Eureka |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (607 ratings) — better | 4.7 (513 ratings) |
| Positive reviews | 98.4% of reviews — better | 76.9% of reviews |
| Number of ratings | 607 — better | 513 |
| Update frequency | Every 3 weeks — better | Every 4 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 140 MB |
| Age rating | 4+ | 4+ |
| Developer | Erudite Apps LLC | INFINITY GAMES, LDA |
Customer experience
Unfoldit
Eureka
User reviews
Unfoldit
From 607 App Store ratingsWhat we love
- 👍 Solid puzzle game
- 🧠 Challenges spatial reasoning
- 💡 Innovative concept
- 🎨 Beautiful and polished design
- 🕰️ Addictive and engaging
Room to improve
- 🐛 Occasional confusion with folding steps
- 🤔 May be too challenging for some users
Eureka
From 513 App Store ratingsWhat we love
- 🤩 Fun and engaging gameplay
- 🧠 Challenges the mind
- 👍 Kid-friendly
- 😍 Addictive and immersive
- 💯 Great for cognitive exercise
Room to improve
- anúncios Ads are intrusive
- 🗑️ Paid version still has ads
- 🧩 Lacks variety in puzzles
Bugs and requests
Unfoldit
Reported bugs
2 issues- Difficulty differentiating old and new holes in some levels
- Occasional freezing or crashing on certain devices
Requested features
3 requests- More advanced/difficult levels
- Ability to track progress and achievements
- Multiplayer or competitive modes
Eureka
Reported bugs
2 issues- Ads after every level
- Paid version with ads
In-app purchases
Unfoldit
- Medium Levels$0.99
- Tiny Hint Pack$0.99
- Hard Levels$1.99
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- Expert Levels$2.99
- Small Hint Pack$3.99
- Grande Hint Pack$9.99
- Ream Master Hint Pack$19.99
Eureka
- Remove Ads$1.99








