HappyMapper vs One Big Projector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
One Big Projector
Transform any projector into a dynamic light show. Easily map video, photos, and effects onto walls, objects, or stages without complex software. Preview your creations in AR before going live.
- Map content to any surface
- Mesh warping for curved objects
- Use own photos, videos, or live camera
- Built-in library of effects
- Audio-reactive effects
- Layer multiple surfaces and content
- AR preview
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Turn any projector into a mapped light show. One Big Projector fits your video, photos, and effects to any wall, object, or stage — no complicated software, no laptop, no steep learning curve. Design it on your iPhone, iPad, or Mac, preview it on your wall in AR, then connect a projector over USB-C or HDMI and your canvas goes full-screen and clean. WHY PEOPLE LOVE IT • Fit to anything — drag the corners to line your content up with a real wall, window, or prop • Bend around curves — mesh warping wraps content over columns, arches, and rounded surfaces • Bring your own content — photos, video, and live camera, or pick from a built-in library of effects and loops • Effects and looks — kaleidoscope, strobe, sparkle, waves, and more, some audio-reactive to your music • Layer it up — stack multiple surfaces and content layers for a full mapped scene • Preview in AR — see the result on your actual wall before a projector is even connected • Clean output — when you go live, the editor handles disappear for a pure, gig-ready projection PERFECT FOR • Holiday displays — Halloween and Christmas window and facade projection • Parties and events — instant ambiance on any wall • VJs, DJs, and stage shows — live visuals that map to the set • Art installations and window displays • Anyone who just wants to point a projector at something and make it look amazing NO PROJECTOR YET? NO PROBLEM Design your whole scene and preview it in AR on your wall today. When you are ready, any USB-C or HDMI projector works. FREE TO START Build real projects for free. Upgrade to Pro for unlimited projects and unlimited video layers — monthly, annually, or a one-time lifetime purchase. Terms of Use (EULA): https://hellogoodday.com/projectorstudio/terms Privacy Policy: https://hellogoodday.com/projectorstudio/privacy Made by Hello Good Day.
Screenshots
Verdict
The clearest difference is rating: One Big Projector at 5.0 against HappyMapper's 4.0. HappyMapper's advantage is ratings volume (8 vs 1). On price, update cadence, 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. HappyMapper sells 3 in-app purchases, starting at $2.99 per month and One Big Projector sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
One Big Projector holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: HappyMapper has 8 ratings behind it against 1, so its average is the more settled of the two.
HappyMapper ships an update every 5 days, One Big Projector every 3 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.
| Parameter | HappyMapper | One Big Projector |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | 1 |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Kenny Lu | Hello Good Day LLC |
Customer experience
HappyMapper
One Big Projector
In-app purchases
HappyMapper
- HappyMapper Pro3 Days trial$2.991 Month
- HappyMapper Pro3 Days trial$24.991 Year
- HappyMapper PRO Lifetime$19.99
One Big Projector
- Pro Monthly$2.991 Month
- Pro Annual$10.991 Year
- Pro Lifetime$14.99
Questions
Is HappyMapper free?
Is One Big Projector free?
Which has better reviews, HappyMapper or One Big Projector?
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