Comparison

Lumy vs H3D Scan

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

Head to head
About

Lumy

Track sunrise, sunset, and golden hour for optimal outdoor activities and photography. This app offers personalized profiles, weather forecasts, and on-device data processing for privacy. Plan your day with natural light in mind.

Highlights
  • Personalized activity profiles (Modes)
  • Sunrise, sunset, and golden hour tracking
  • Moon phase and rise/set times
  • 7-day weather forecasts
  • On-device data processing
  • Apple Watch complications and Live Activities
  • Customizable notifications
Features
Read full description

Lumy is a modern sun tracker + outdoor activity planner. - Perfect lighting for photos or videos? Done. - Sunrise hike or sunset walk? Easy. - Outdoor yoga or sunlight breaks? Covered. Whether you’re chasing golden hour* or keeping an eye on moon phases for a night under the stars, Lumy helps you make the most of natural light. Now redesigned from the ground up - Lumy feels more personal, purposeful, and in sync with how we live. Introducing Modes: Switch between profiles like Daily, Photography, or Meditation to shape Lumy around your routine. See only what matters to you. Lumy also supports iOS’s State of Mind feature, offering sunlight suggestions based on your mood entries in the Health app - a gentle nudge to step out and connect with nature. And with weather forecasts for the next seven days, you can plan with confidence. Lumy calculates all sun and moon data entirely on-device. No tracking. No server calls. Only the weather needs internet. Lumy works seamlessly across iPhone, iPad, Apple Watch, Apple TV, and HomePod. One purchase, full family access. Features - Modes: Switch profiles based on your needs... from weekday planning to weekend golden hour. - Sun + Moon Tracking: Accurate data, solar compass, and future predictions. - Season Info: Both astronomical and meteorological seasons. - Remainders: Custom repeatable notifications. - Apple Watch: Complications, Double-tap, and Live Activities. - Widgets + Control Center: Quick access via Smart Stack and more. - Interaction Upgrades: Time travel slider, Quick Access Button, fluid animations. - Visual Feel: Simulated light, shimmering glows, and enhanced Classic visuals. - Accessibility: VoiceOver, Dynamic Type, Reduce Motion, and more. - Privacy First: Fully offline (except weather). Your data stays with you. - Localization: Available in Japanese, Chinese, French, and German. Lumy helps photographers, outdoor lovers, and wellness seekers stay in sync with the sun and moon. *What's Golden Hour? Golden Hour (or Magic Hour) is the short time after sunrise or before sunset when the light is soft, warm, and perfect for capturing stunning photos or videos. Sun Information Available: Sunrise, Sunset, First Light, Last Light, Golden Hour, Blue Hour, Astronomical Twilight, Nautical Twilight, Civil Twilight, Solar Noon, Solar Midnight. Moon Information Available: Moonrise, Moonset, Altitude, Azimuth, Transit, Transit Elevation, Weekly Moon Phase, Next Full Moon, New Moon, First Quarter, Last Quarter. Got feedback or suggestions? We’d love to hear from you! Reach out at hello@waplestuff.com.

About

H3D Scan

Features
Read full description

H3D Proprietary Scanning App for creating digital ear impressions for custom-fit products. Contact us at https://h3d.ai/contact/ to get a demo and get started!

Screenshots

Lumy4 screens
H3D Scan4 screens

Verdict

The call

The clearest difference is price: H3D Scan at Free against Lumy's $7.99. H3D Scan also leads on in-app purchases (none vs 3) and iOS requirement (16.6 vs 18.0). Lumy's advantage is update cadence (every 3 days vs every 2 months) and chart position (#19 vs unranked). On 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

H3D Scan is free to download; Lumy costs $7.99 up front. Lumy sells 3 one-off in-app purchases. H3D Scan asks for nothing beyond the download.

UpkeepUpdate frequency

Lumy ships an update every 3 days, H3D Scan every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 5 level
Lumy versus H3D Scan: the parameters behind the verdict, then further details
ParameterLumyH3D Scan
Price$7.99Free — better
Rating4.8 (2.4K ratings) — better—
Positive reviews79.0% of reviews—
Number of ratings2.4K — better—
Update frequencyEvery 3 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#19 — better—
DevicesiPhone, iPad, Apple TV, Apple Watch — betteriPhone
Requires iOS18.016.6 — better
Further details — not scored
Size259 MB24 MB
Age rating4+4+
DeveloperRaja VijayaramanHEARABLES 3D PTY LIMITED

Bugs and requests

Lumy

Reported bugs

4 issues
  • Widgets not working or displaying incorrect information
  • Complications not updating properly on Apple Watch
  • Crashes and freezes on certain iOS versions
  • Location services not functioning as expected

Requested features

5 requests
  • More customization options for widgets and complications
  • Ability to manually set location
  • Integration with other weather/astronomy apps
  • Expanded information on moon phases and celestial events
  • Improved Apple Watch complications and support

H3D Scan

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Lumy

One-time3
  • A Little Light (Small Tip)$0.99
  • More Light (Medium Tip)$3.99
  • All the Light (Huge Tip)$9.99
None

H3D Scan

No in-app purchases

Questions

Is Lumy free?
Lumy costs $7.99, and also offers in-app purchases.
Is H3D Scan free?
H3D Scan is free to download, with no in-app purchases.
Do Lumy or H3D Scan have ads?
Neither Lumy nor H3D Scan shows ads.
Which is updated more often, Lumy or H3D Scan?
Lumy ships an update every 3 days, and H3D Scan every 2 months. Most recently, Lumy was updated on October 26, 2026 and H3D Scan on October 25, 2026.

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