One Big Projector vs Projector Light Show
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Projector Light Show
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Turn any wall, window or house front into a light show. Pick a ready-made show, connect your projector, drag four corners to fit, and press play. Projection mapping, no skills needed. GlowCast is made for everyone who owns a projector, from a mini projector in the bedroom to a bright one aimed at the whole house. Every show is designed to fit real surfaces, so it looks made for your home, not just beamed at it. THIS CHRISTMAS • Snowy Window: a cozy winter scene for your front window, seen from the street • Winter Facade: snowfall and glowing garlands fitted to your house front, door and garage • Fireplace Wall: a crackling fire for any apartment that never had one • Fireworks Facade: New Year's Eve fireworks across your walls (and again for the Fourth of July) • Starry Ceiling and Aurora Room for slow, quiet winter evenings ALL YEAR ROUND • Living rooms and bedrooms: aurora wall, ocean bedroom, starry ceiling • Parties: birthday wall with their name in lights, neon boxes, VJ tunnel • Weddings and events: wedding arch • Halloween: ghost window, pumpkin faces, haunted facade, tree spirits • Small businesses: storefront glow for the shop window New seasonal shows arrive in the app as they drop, no update needed. FIT IT IN A MINUTE • Drag the four corners of each surface onto your real wall, window or door • 3× magnifier, 1-pixel nudges, snapping, undo and redo, and lock when it's perfect • Works on walls, ceilings, windows, doors, boxes, pumpkins and whole house fronts MAKE IT YOURS • Add your own text: names, greetings, a birthday message • Choose color palettes and a mood: calm, lively or wild • Music-reactive shows (Pro): the microphone follows the beat. Audio stays on your device and is never recorded BUILT FOR DARK ROOMS • Show mode with dim, warm controls and big buttons • Hold to black out, brightness, tap tempo, sleep timer, control lock and "next look" • If the projector disconnects, the show keeps running on your phone NO PROJECTOR YET? Try any show on a photo of your own room or house, then save or share the result. The built-in Learn section has a projector buying guide (lumens by surface, budget ranges), a throw-distance calculator, window rear-projection tips and a troubleshooter for black screens, blurry or cut-off pictures and AirPlay lag. CONNECTS THE WAY YOU ALREADY DO Use a USB-C or Lightning to HDMI adapter, or AirPlay to Apple TV or an AirPlay projector. Prefer a blank canvas? Draw your own surfaces and pick effects. PRIVATE BY DESIGN No account needed. Your photos stay on your device. Only anonymous usage data is collected, and you can turn it off. FREE AND PRO Free: 8 starter shows, full fitting and Show mode. Your first show plays without a watermark; after that a small corner badge appears. Pro: every show including seasonal drops, no watermark, music-reactive shows, unlimited saved shows (Free keeps 3), every effect in the blank-canvas editor and seasonal app icons. Any Pro show can be tried free for 60 seconds on your own wall. Plans: Yearly with a 7-day free trial, Monthly, Lifetime (one-time purchase), and a 60-day Season Pass that never renews. Payment is charged to your Apple Account at confirmation of purchase, or when the free trial ends. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel your subscription in Settings > [your name] > Subscriptions. Any unused part of a free trial is forfeited when you buy a subscription. Terms of Use: https://glowcast.cam/terms Privacy Policy: https://glowcast.cam/privacy
Screenshots
Verdict
The clearest difference is update cadence: One Big Projector at every 3 days against Projector Light Show's weekly. On price, ads, in-app purchases and device support 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. One Big Projector sells 3 in-app purchases, starting at $2.99 per month and Projector Light Show sells 4 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
One Big Projector ships an update every 3 days, Projector Light Show weekly. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | One Big Projector | Projector Light Show |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 14 MB | 39 MB |
| Age rating | 4+ | 9+ |
| Developer | Hello Good Day LLC | AppFusion Labs |
In-app purchases
One Big Projector
- Pro Monthly$2.991 Month
- Pro Annual$10.991 Year
- Pro Lifetime$14.99
Projector Light Show
- GlowCast Pro Monthly$6.991 Month
- GlowCast Pro Yearly7 Days trial$39.991 Year
- GlowCast Season Pass$14.99
- GlowCast Pro Lifetime$79.99





