ilu vs Boo!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ilu
This logic puzzle game challenges you to illuminate dark areas by strategically placing lights. As you terraform barren planets and spread light, watch them transform with vibrant, animated life. Discover clever solutions and enjoy a relaxing, dynamic experience.
- Infinite relaxing logic puzzles
- Illuminate dark areas with light
- Terraform barren planets
- Discover clever solutions
- Dynamic music
- Animated hint system
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ilu is a puzzle game. In every puzzle, all that is dark must light up. You place a light by tapping a dark area. You will discover clever ways to place the lights as you play the game. STORY: ilu is light. You are a keeper of light. In the vast void of space, countless lost worlds drift in the dark. Planets that have lost their star mothers and are too far and cold for the rays of starlight to warm their dark and frozen features. It is your mission to terraform these barren planets. As you spread light through the worlds of ilu, watch the ground light up while colorful and beautifully animated plants sprout as the entire world gently teems with life. FEATURES: • Infinite relaxing logic puzzles solved with light • Simple rules that create compelling solutions • Dynamic music that responds to your play • An animated & intelligent hint system that teaches & guides your way The puzzles of ilu can be solved with pure logic alone. We wanted to share the wonderful "aha!" moments of discovering the solutions with you. ilu is supported with ads, but you have the option to permanently remove the ads from the game with an in-app purchase.
Boo!
Dip pumpkins in paint and use attributes to mask parts to solve Halloween-themed puzzles. The difficulty increases as you progress through 42 levels, with a daily puzzle mode unlocked upon completion.
- Pumpkin painting puzzles
- Masking attributes
- Increasing difficulty
- 42 Halloween levels
- Daily puzzle mode
- Unlockable content
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'Boo!' is a spooky puzzle game for you! To solve the puzzles you have to dip the pumpkin in the different paints and wear attributes to mask certain parts of the pumpkin. The puzzles start easy but it gets more difficult! Can you make the correct pumpkin in 42 Halloween themed levels? Complete all the levels to unlock the brand new daily puzzle mode. Happy Halloween, @BartBonte
Screenshots
Verdict
The clearest difference is ads: ilu at none against Boo!'s shown. ilu also leads on update cadence (every 3 weeks vs every 5 months) and ratings volume (2.1K vs 201). Boo!'s advantage is review sentiment (96% vs 69%). On price, rating, in-app purchases and monetization model 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. ilu sells 9 one-off in-app purchases and Boo! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for ilu against 4.8 for Boo!. That said, the two scores are not equally well evidenced: ilu has 2.1K ratings behind it against 201, so its average is the more settled of the two. Written reviews are what separate them: 69% of ilu's written reviews are positive against 96% of Boo!'s.
ilu ships an update every 3 weeks, Boo! every 5 months. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.
| Parameter | ilu | Boo! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (2.1K ratings) | 4.8 (201 ratings) — better |
| Positive reviews | 69.2% of reviews | 96.1% of reviews — better |
| Number of ratings | 2.1K — better | 201 |
| Update frequency | Every 3 weeks — better | Every 5 months |
| 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 | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 535 MB | 20 MB |
| Age rating | 4+ | 9+ |
| Developer | Brainium Studios LLC | Bart BONTE |
Customer experience
ilu
Boo!
User reviews
ilu
From 2.1K App Store ratingsWhat we love
- 🌟 Beautiful graphics and visuals
- 🎶 Relaxing and soothing music
- 🧠 Challenging and stimulating puzzles
- 🆓 Free hints and no pay-to-win mechanics
- 🕹️ Simple but unique gameplay mechanics
Room to improve
- 🤏 Small touch targets, especially on larger puzzles
- 🤔 Difficulty in distinguishing markers from lights
- 🔋 High battery consumption
- 🐛 Occasional crashes and glitches
- 📉 Lack of progress tracking or replay options
Boo!
From 201 App Store ratingsWhat we love
- 🧩 Simple yet challenging puzzle mechanics
- 🎨 Cute and appealing art style
- 🎵 Great music and audio design
- 👍 User-friendly interface
- 📱 Minimal and non-intrusive ads
Room to improve
- ⏱️ Game is too short
- 🎨 Color contrast issues on low brightness
- 📺 Some ads are lengthy
- 🔄 Game resets when app is closed
- ⚙️ Occasional freezing/crashing issues
Bugs and requests
ilu
Reported bugs
3 issues- App crashes on launch for some users
- Placement of markers and lights not always registering correctly
- Recent update changed visuals in a way that made the game less clear
Requested features
4 requests- Zoom or pan functionality for larger puzzles
- Separate marker and light placement modes
- Progress tracking and ability to replay past puzzles
- More variety in background music tracks
Boo!
Reported bugs
5 issues- Level 24 progression bug - puzzle completes but won't advance
- App freezes at logo on iOS 14.7.1
- Game occasionally freezes after level completion
- Purchase restoration not working properly
- Color differentiation issue between white and neon yellow
Requested features
13 requests- More levels (most frequently requested)
- Increased difficulty options
- Endless or infinite mode
- Speed run mode with timing
- Hardcore mode
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- Additional pumpkin variations and cosmetics
- New accessory items (cloaks, hats, etc.)
- Dark theme option
- Colorblind mode with alternative color palettes
- Randomized level generation
- Landscape orientation support
- Persistent game state when switching apps
- Notification system for daily puzzles
In-app purchases
ilu
- 100 Ad-Free Puzzles$0.99
- Terra Suit$0.99
- Turbo Suit$1.99
Show 6 moreShow fewer
- The Botanic$1.99
- Pod$2.99
- Spectral Suit$3.99
- Chromus$4.99
- Ayianna$6.99
- Unlock Ad-Free$7.99
Boo!
- no ads$2.49









