Comparison

ILW LightMapper vs HappyMapper

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ILW LightMapper

Transform sculptures with animated light using this projection mapping tool. Import your videos or use the built-in library to calibrate and apply visuals. Features include multiple grids, corner offsets, and warp painting for precise alignment and dynamic effects.

Highlights
  • Video Import (.mp4 / H.264)
  • Downloadable Artwork Library
  • Multiple Grids
  • Corner Offsets & Global Offset Control
  • Global Warp Painting Tool
  • Per Grid Masking
  • Timeline Scrubbing
Read full description

LightMapper is a beginner-friendly projection mapping tool for iPhone, iPad and Mac, designed for artists, creators, and anyone exploring light-based art. Choose from a library of artwork, built-in animated shaders and free online videos, or import your own videos. Calibrate your projection with intuitive controls, then cast it wirelessly to transform any surface with animated light. You can save your setups so everything is ready exactly how you left it each time you return. LightMapper includes a growing library of downloadable visuals, with new artwork added over time. FEATURES CONTENT & LIBRARY • Browse and download projection visuals directly in the app • Built-in animated shaders with adjustable speed and scale • Search and download free online videos • My Imports: your own videos, organized in one library CASTING • Cast your projection wirelessly over AirPlay • Keep casting while the app is minimized in picture-in-picture SETUP & CALIBRATION • Add multiple grids for complex projection setups • Four-point corner adjustment for precise alignment • Touch and drag each grid to position • Two finger scale and rotation touch controls CREATIVE TOOLS • Warp Painting – apply localized distortion to match surfaces (global) • Masking – additive and subtractive masks. Use built-in shapes or build your own library of custom shapes from images (per-grid) • Color Controls – adjust hue, saturation, and brightness (per-grid or global) • Speed Controls – slow down or speed up visuals (per-grid or global) • Transparent Backgrounds – set black to be transparent for layering (per-grid or global) WORKFLOW & CONTROL • Timeline scrubbing for video playback (per-grid or global) • Undo support while editing • Grid overlay for alignment PROJECT MANAGEMENT • Save, rename, duplicate and delete your setups, and switch between them easily • Export a project as a file and import it on another iPhone, iPad or Mac • Projects keep their proportions across different screen shapes PERFORMANCE & SETTINGS • Edge smoothing toggle for softer or sharper visuals • Screen resolution and cast quality controls for performance vs sharpness INTERFACE • Clean, sci-fi inspired UI designed for creative workflows

About

HappyMapper

Transform any surface into a dynamic art installation using your iPhone or iPad and a projector. Easily create complex light and motion effects without prior design experience. Share your creations as videos or enjoy them live.

Highlights
  • Draw to Map outlines
  • Photo Overlay Mapping for complex surfaces
  • AirPlay support for wireless projection
  • Screen-Off Playback for battery saving
  • Unlimited video searches
  • Video export for sharing
Features
Read full description

HappyMapper turns your iPhone or iPad and a projector into an art studio without walls. Turn walls, furniture, sculptures, and everyday objects into living art with light, color, and motion. Create stunning projection-mapped installations without design experience or expensive software. Just your device, a projector, and your imagination. POWERFUL PROJECTION MAPPING, MADE SIMPLE • Draw to Map: Draw any outline with your finger, and HappyMapper automatically creates a projection-ready shape • Photo Overlay Mapping: Take a photo of your projection surface and use it as a reference to precisely map curved, complex, and irregular objects • AirPlay Support: Wirelessly send your creations to an AirPlay-compatible projector or display • Screen-Off Playback: Keep your projections running with your device's screen off to help conserve battery • Unlimited Video Searches: Explore millions of free videos directly inside the app, with no search limits • Video Export: Export your finished projection as a video file for playback without keeping HappyMapper open. CREATE YOUR OWN LIGHT INSTALLATIONS • Add shapes and warp them to fit almost any surface • Curve edges to follow arches, round objects, and organic shapes • Layer multiple surfaces for complex, room-filling installations • Blend shapes together for seamless mapped surfaces • Block light from specific areas with Cutout mode • Rotate, resize, and position shapes with intuitive touch gestures BRING YOUR SPACE TO LIFE • Find ready-to-use visuals from multiple built-in video sources • Browse millions of GIFs from GIPHY for looping animations and memes • Import your own photos and videos • Pan, rotate, and zoom media within each shape for precise placement MADE FOR CREATORS • Intuitive touch controls make projection mapping accessible to beginners • Built-in quick start guide gets you mapping in minutes • Save your setups and reload them anytime • Your last session is automatically saved so you can pick up where you left off INSPIRE YOUR SPACE Set the mood for a dinner party. Create personalized wedding projections. Transform your bedroom into an immersive art installation. Film unique social media content. Light up your home for the holidays. Bring visual art to the stage. From simple decorations to elaborate installations, HappyMapper makes projection art accessible to everyone. TRY FREE. UNLOCK FOREVER. Start creating with one fully featured shape for free. Unlock unlimited shapes with a one-time purchase of HappyMapper Pro. No subscriptions.

Screenshots

ILW LightMapper4 screens
HappyMapper4 screens

Verdict

The call

The clearest difference is rating: ILW LightMapper at 4.3 against HappyMapper's 4.0. ILW LightMapper also leads on device support (4 vs 2). HappyMapper's advantage is update cadence (every 5 days vs every 2 weeks). On price, review sentiment, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ILW LightMapper sells 2 one-off in-app purchases and HappyMapper sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ILW LightMapper holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 7 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

ILW LightMapper ships an update every 2 weeks, HappyMapper every 5 days. The most recent releases landed on November 12, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 7 level
ILW LightMapper versus HappyMapper: the parameters behind the verdict, then further details
ParameterILW LightMapperHappyMapper
PriceFreeFree
Rating4.3 (7 ratings) — better4.0 (8 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings78 — better
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size368 MB13 MB
Age rating4+4+
DeveloperStuart GrieseKenny Lu

Customer experience

ILW LightMapper

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

HappyMapper

All ratings8 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

ILW LightMapper

One-time2
  • Support Development$2.99
  • Support Development$9.99
3 purchases

HappyMapper

Subscriptions2
  • HappyMapper Pro3 Days trial$2.991 Month
  • HappyMapper Pro3 Days trial$24.991 Year
One-time1
  • HappyMapper PRO Lifetime$19.99

Questions

Is ILW LightMapper free?
ILW LightMapper is free to download, with in-app purchases available.
Is HappyMapper free?
HappyMapper is free to download, with in-app purchases available.
Which has better reviews, ILW LightMapper or HappyMapper?
ILW LightMapper is rated higher. ILW LightMapper averages 4.3 out of 5 from 7 ratings, while HappyMapper averages 4.0 from 8 ratings.
Do ILW LightMapper or HappyMapper have ads?
Neither ILW LightMapper nor HappyMapper shows ads.
Which is updated more often, ILW LightMapper or HappyMapper?
ILW LightMapper ships an update every 2 weeks, and HappyMapper every 5 days. Most recently, ILW LightMapper was updated on November 12, 2026 and HappyMapper on November 9, 2026.

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