Devil Book vs Slime Evolutionary Path
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Devil Book
Embark on an epic adventure in a hand-drawn world, assembling a team of three heroes with unique skills and attributes. Explore diverse environments, battle charming monsters, and customize your characters to save the game world. Enhance equipment and join an in-game community for cooperative play.
- Hand-drawn style action and animations
- Team of 3 heroes with customizable skills
- Diverse environments and unique monsters
- Engaging story and world exploration
- Unlimited equipment enhancement system
- Character customization with costumes and dyes
- In-game community for parties and guilds
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◎FEATURES◎ - Hand-Drawn Style Action Devil Book has hand-drawn style graphics. You can enjoy a variety of hand-drawn skills and character animations. - A Team of 3 Heroes You can plan your own combinations of 3 heroes. Show your tactics on heroes' skills and attributes! - Various field and attractive monsters You can travel in a forest, snowfield, desert, and volcano! Also, you will take cool and fun battles in diverse environments! - Fun story and world You will make your own team with the heroes from various dimensions to save the game world. Begin your adventure now to find the lost ‘Book of Destiny’! - Unlimited Equipment Enhancement Strengthen your heroes using Equipment Enhancement! Devil Book provides various enhancement systems! - Character Customization You can try to make your own hero by costume and dye! Try to make your own clothes in your own style! - Own In-game Community Play Devil Book with your friends inside the game! Create a party or guild to clear missions and have an exciting adventure with friends! ◎Minimum Spec Requirement◎ - iOS 11 or above - iPhone 6S or above - iPad Mini 4 or above - Ram: 2GB - Available Storage: 3GB ◎Official Community◎ Join our official Devil Book Community pages. Facebook: facebook.com/devilbook.en/ Twitter: twitter.com/devilbook1/ Instagram: instagram.com/devilbook_official/ ◎Help and Support◎ Your device will need at least 3GB of available storage space to install the game. - CS portal: devilbookworld@startergames.com - Terms of Service: https://www.startergames.com/devilbook-global-terms - Privacy Policy: https://www.startergames.com/devilbook-global-privacy
Slime Evolutionary Path
Evolve your slime through multiple paths, collecting coins and experience even when offline. Engage in automatic battles, enhance your slime with equipment enchantments and extra skills to defeat powerful enemies in this casual idle game.
- Multiple slime evolution paths
- Offline coin and XP generation
- Automatic battles
- Equipment enchantments
- Extra skills for slime enhancement
- Ten evolution stages
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An indie game created by only 1 person. This is an idle game which is relaxed and casual. As a Slime, you have the ability to evolve and you can choose different evolutionary paths. Also , there are different enchantments of equipment, use them to defeat powerful enemies! 1. Slime can evolve ten times, there are 4 to the tenth power of evolution possibilities 2. It will still produce coins and Exp when you leave the game 3. Automatic battle, easy to level up 4. A variety of equipment enchants 5. Extra skills, slime will be greatly enhanced
Screenshots
Verdict
The clearest difference is rating: Devil Book at 4.8 against Slime Evolutionary Path's 4.4. Devil Book also leads on update cadence (every 9 days vs every 3 weeks). Slime Evolutionary Path's advantage is review sentiment (84% vs 58%) and iOS requirement (12.0 vs 15.0). On price, ratings volume, ads 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. Devil Book sells 13 one-off in-app purchases and Slime Evolutionary Path sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Devil Book holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 1.3K and 765 respectively. Written reviews complicate that: 58% of Devil Book's written reviews are positive against 84% of Slime Evolutionary Path's, so the app with the better star average is not the one people write more warmly about.
Devil Book ships an update every 9 days, Slime Evolutionary Path every 3 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | Devil Book | Slime Evolutionary Path |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (1.3K ratings) — better | 4.4 (765 ratings) |
| Positive reviews | 57.5% of reviews | 84.5% of reviews — better |
| Number of ratings | 1.3K — better | 765 |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | Yes | 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 | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 230 MB | 82 MB |
| Age rating | 12+ | 9+ |
| Developer | Starter | KE HSI LIN |
Customer experience
Devil Book
Slime Evolutionary Path
User reviews
Devil Book
From 1.3K App Store ratingsWhat we love
- 👍 Cute and fun game
- 🚀 Smooth gameplay
- 💎 Good rewards for F2P players
Room to improve
- 🐛 Frequent crashes and stability issues
- ⏱️ Slow loading times and connection problems
- 🔍 Lacking in-game information and community
Slime Evolutionary Path
From 765 App Store ratingsWhat we love
- 👍 Solid game
- 👍 Fun casual game
- 👍 Relaxing game
- 👍 Great for passing time
- 👍 Enjoyable gameplay
Room to improve
- 🐛 Confusing UI
- 🐛 Grammatical errors in text
- 💡 Lack of ways to spend gold
- 💡 Need more depth and content
- 💡 Slow progression
Bugs and requests
Devil Book
Reported bugs
3 issues- Stuck on loading screens after recalls or deaths
- Login issues and account problems
- Coupon codes not working as expected
Requested features
3 requests- Console port with trophies/achievements
- Improved inventory management and sorting
- Better translation and localization
Slime Evolutionary Path
Reported bugs
2 issues- Difficulty progressing past certain levels
- Inconsistent performance or crashes
Requested features
6 requests- More evolution options and upgrades
- Ability to combine or upgrade arm stones
- More ways to earn gems
- Clearer tutorial and explanations
- Additional game modes or challenges
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- Ability to change from a slime form
In-app purchases
Devil Book
- Daily Hunting Supporting Pack$0.99
- Daily Skip Ticket Package$0.99
- S Special Event Package 13$3.99
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- Rona's Special Package A$6.99
- PenPen's Gorgeous Summon Pack$6.99
- Rona's Daily Diamond Pack(28D)$6.99
- Hunting Package$8.99
- Super Diamond Discount Pack A$14.99
- Super Diamond Discount Pack B$15.99
- PenPen's Brilliant Summon Pack$19.99
- Rona's Special Package B$19.99
- Grade SS Hero Celebration Pack$32.99
- star 100000 pack$49.99
Slime Evolutionary Path
- 1000 gems$1.29
- 5000 gems$5.99
- 10,000 gems$10.49
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- 50,000 gems$49.90
- 100,000 gems$95.99
Questions
Is Devil Book free?
Is Slime Evolutionary Path free?
Which has better reviews, Devil Book or Slime Evolutionary Path?
Do Devil Book or Slime Evolutionary Path have ads?
Which is updated more often, Devil Book or Slime Evolutionary Path?
Other comparisons
