Comparison

Lumy vs Spherium

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

Spherium

Easily view and share 360-degree images from your photo library. Supports high-resolution panoramas and allows for sharing full 360 photos or specific snapshots. Automatically finds equirectangular images and lets you manually exclude incorrect identifications.

Highlights
  • View 360 degree images
  • Supports high resolutions (4k, 8k, 16k+)
  • Share full 360 photos
  • Take and share image snapshots
  • Automatic 360 image detection
  • Manual exclusion of images
Features
Read full description

Spherium is designed to easily view and share 360 degree images saved in your Photo Library. Spherium supports viewing equirectangular 360 images, and is designed to handle images from a minimum resolution of 1000 x 2000 pixels; allowing you to view panoramas images 4k, 8k, 10k, or even 16k and above in resolution. While viewing a photo in Spherium you can share the entire 360 photo, or take snapshots of portions of the image for sharing. Spherium will automatically attempt to find the 360 equirectangular images saved in your photo library from 360 cameras, drones, other apps, the web or anywhere else you have saved them from. If Spherium incorrectly identifies an image as a 360 you can manually exclude it from appearing in Spherium.

Screenshots

Lumy4 screens
Spherium4 screens

Verdict

The call

The clearest difference is rating: Lumy at 4.8 against Spherium's 4.3. Lumy also leads on update cadence (every 3 days vs every 26 months) and review sentiment (79% vs 52%). Spherium's advantage is in-app purchases (none vs 3) and price ($4.99 vs $7.99). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Lumy costs $7.99 and Spherium $4.99 up front. Lumy sells 3 one-off in-app purchases. Spherium asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lumy holds the better App Store score, 4.8 against 4.3. That said, the two scores are not equally well evidenced: Lumy has 2.4K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 79% of Lumy's written reviews are positive against 52% of Spherium's.

UpkeepUpdate frequency

Lumy ships an update every 3 days, Spherium every 26 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard9 real differences · 2 level
Lumy versus Spherium: the parameters behind the verdict, then further details
ParameterLumySpherium
Price$7.99$4.99 — better
Rating4.8 (2.4K ratings) — better4.3 (15 ratings)
Positive reviews79.0% of reviews — better51.9% of reviews
Number of ratings2.4K — better15
Update frequencyEvery 3 days — betterEvery 26 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
Best chart rank#23 — better—
DevicesiPhone, iPad, Apple TV, Apple Watch — betteriPhone, iPad, iPod
Requires iOS18.015.0 — better
Further details — not scored
Size259 MB2 MB
Age rating4+4+
DeveloperRaja VijayaramanKyle Howells

Customer experience

Lumy

All ratings2,410 ratings
Positive95.7%
Neutral1.6%
Negative2.7%
Written reviews687 reviews
Positive79.0%
Neutral9.5%
Negative11.5%

Spherium

All ratings15 ratings
Positive80.0%
Neutral6.7%
Negative13.3%
Written reviews27 reviews
Positive51.9%
Neutral25.9%
Negative22.2%

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

Spherium

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

Spherium

No in-app purchases

Questions

Is Lumy free?
Lumy costs $7.99, and also offers in-app purchases.
Is Spherium free?
Spherium costs $4.99, with no in-app purchases.
Which has better reviews, Lumy or Spherium?
Lumy is rated higher. Lumy averages 4.8 out of 5 from 2.4K ratings, while Spherium averages 4.3 from 15 ratings.
Do Lumy or Spherium have ads?
Neither Lumy nor Spherium shows ads.
Which is updated more often, Lumy or Spherium?
Lumy ships an update every 3 days, and Spherium every 26 months. Most recently, Lumy was updated on November 1, 2026 and Spherium on November 3, 2026.

Other comparisons