# Lumy vs Spherium

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.

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.

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.

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.

## The numbers

| Metric | Lumy | Spherium |
| --- | --- | --- |
| Price | $7.99 | **$4.99** |
| Rating | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/lumy/id908905093/reviews)** | [4.3 (15 ratings)](https://appshunter.io/ios/app/spherium/id1502130060/reviews) |
| Number of ratings | **2.4K** | 15 |
| Positive reviews | **79.0% of reviews** | 51.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 26 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#20** | — |
| Size | 259 MB | 2 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | **iPhone, iPad, Apple TV, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raja Vijayaraman](https://appshunter.io/developer/562575890) | [Kyle Howells](https://appshunter.io/developer/407267571) |

## What reviewers say

### Lumy

[App page](https://appshunter.io/ios/app/lumy/id908905093)

**Currently charting:** #20 Top Paid · Photo & Video, #174 Top Paid (US App Store)

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:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Little Light (Small Tip) | $0.99 | one-time |
| More Light (Medium Tip) | $3.99 | one-time |
| All the Light (Huge Tip) | $9.99 | one-time |

**What reviewers like**

- 💎 Beautifully designed
- 🚀 Intuitive and easy to use
- 🎨 Elegant and visually appealing
- ⏱️ Provides valuable time-sensitive information
- 📱 Seamless integration with Apple Watch

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🌍 Limited location support
- 🕰️ Inaccurate or outdated information in some cases
- 🔌 Battery drain issues on Apple Watch
- 🧭 Compass/direction information not always reliable

**Reported bugs**

- 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**

- 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

[App page](https://appshunter.io/ios/app/spherium/id1502130060)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*