# Luminary vs Sun ETA

The clearest difference is in-app purchases: Sun ETA at none against Luminary's 4. Sun ETA also leads on update cadence (daily vs every 3 days) and iOS requirement (15.1 vs 17.0). Luminary's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Luminary sells 4 one-off in-app purchases. Sun ETA asks for nothing beyond the download.

Luminary ships an update every 3 days, Sun ETA daily. The most recent releases landed on October 21, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Luminary | Sun ETA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/luminary-sun-tracker/id6737578148/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Free | — |
| Size | 6 MB | 31 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Peacher](https://appshunter.io/developer/1550370581) | [Skiily LLC](https://appshunter.io/developer/1413607102) |

## What reviewers say

### Luminary

[App page](https://appshunter.io/ios/app/luminary-sun-tracker/id6737578148)

Track the sun's position and predict solar and photography events with this offline app. It provides detailed information on sunrise, sunset, twilight phases, and solstices. Ideal for outdoor enthusiasts and photographers.

**Highlights:** Live Azimuth & Altitude, Detailed Solar Events, Photography Event Timings, Seasonal Solstice Information, Offline Functionality, Dark Mode Support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |
| Giant Tip | $9.99 | one-time |


### Sun ETA

[App page](https://appshunter.io/ios/app/sun-eta/id6761353487)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Luminary free?

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

### Is Sun ETA free?

Sun ETA is free to download, with no in-app purchases.

### Do Luminary or Sun ETA have ads?

Sun ETA shows ads; Luminary does not.

### Which is updated more often, Luminary or Sun ETA?

Luminary ships an update every 3 days, and Sun ETA daily. Most recently, Luminary was updated on October 21, 2026 and Sun ETA on October 31, 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.*