# Lumy vs Sun Tracker

The clearest difference is price: Sun Tracker at Free against Lumy's $7.99. Lumy's advantage is chart position (#13 vs unranked) and review sentiment (79% vs 67%). On rating, ratings volume, update cadence and ads there is nothing between them.

Sun Tracker is free to download; Lumy costs $7.99 up front. Lumy sells 3 one-off in-app purchases and Sun Tracker sells 10 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Lumy against 4.7 for Sun Tracker. Both are backed by a comparable volume of ratings — 2.5K and 6.1K respectively. Written reviews are what separate them: 79% of Lumy's written reviews are positive against 67% of Sun Tracker's.

Lumy ships an update every 3 days, Sun Tracker every 4 days. Both last shipped on November 11, 2026.

## The numbers

| Metric | Lumy | Sun Tracker |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.8 (2.5K ratings)](https://appshunter.io/ios/app/lumy/id908905093/reviews)** | [4.7 (6.1K ratings)](https://appshunter.io/ios/app/sun-tracker-solarwatch/id1191365122/reviews) |
| Number of ratings | 2.5K | **6.1K** |
| Positive reviews | **79.0% of reviews** | 67.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#13** | — |
| Size | 259 MB | 143 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad, Apple TV, Apple Watch | **iPhone, iPad, Apple TV, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Raja Vijayaraman](https://appshunter.io/developer/562575890) | [Fifteen Jugglers Software UG](https://appshunter.io/developer/292972357) |

## What reviewers say

### Lumy

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

**Currently charting:** #13 Top Paid · Photo & Video, #102 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


### Sun Tracker

[App page](https://appshunter.io/ios/app/sun-tracker-solarwatch/id1191365122)

Plan outdoor activities and photography sessions with precise sunrise, sunset, and twilight times. Utilize AR mode and map overlays to find optimal lighting, and set customizable alarms for key solar events. Widgets provide at-a-glance information for seamless integration into your day.

**Highlights:** Accurate sun-tracking, AR mode and map overlays, Customizable solar alarms, Home Screen, Lock Screen, and Watch widgets, Sunrise, sunset, and twilight times

**Features:** Family Sharing, Apple Watch app, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolarWatch Gold | $2.99 | per 7 days |
| SolarWatch Gold | $3.99 | per year |
| SolarWatch Gold Monthly | $6.99 | per month |
| SolarWatch Gold (family share) | $8.99 | per month |
| SolarWatch Gold | $9.99 | per year |
| SolarWatch Gold | $9.99 | per year |
| SolarWatch Gold Annual | $19.99 | per year |
| SolarWatch Gold (family share) | $24.99 | per year |
| SolarWatch Gold Lifetime | $49.99 | one-time |
| SolarWatch Lifetime | $64.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🌄 Accurate sunrise/sunset times
- 🔍 Useful solar information
- 🕰️ Convenient watch complications
- 💻 Smooth app and widget performance

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔒 Paywall for advanced features
- 🚫 Removal of previously free features
- 🔋 High battery consumption on some devices
- 📍 Location tracking issues on Apple Watch

**Reported bugs**

- App crashes on launch for some users
- Widget not updating or displaying incorrect information
- Apple Watch complications not working as expected
- Inability to save favorite locations

**Requested features**

- Ability to scroll forward in time to view future sunrise/sunset times
- Option to customize widget layout and information displayed
- Improved map and AR functionality
- More customizable alarm settings and tones


## Frequently asked questions

### Is Lumy free?

Lumy costs $7.99, and also offers in-app purchases.

### Is Sun Tracker free?

Sun Tracker is free to download, with in-app purchases available.

### Which has better reviews, Lumy or Sun Tracker?

Lumy is rated higher. Lumy averages 4.8 out of 5 from 2.5K ratings, while Sun Tracker averages 4.7 from 6.1K ratings.

### Do Lumy or Sun Tracker have ads?

Neither Lumy nor Sun Tracker shows ads.

### Which is updated more often, Lumy or Sun Tracker?

Lumy ships an update every 3 days, and Sun Tracker every 4 days. Most recently, Lumy was updated on November 11, 2026 and Sun Tracker on November 11, 2026.

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