Star Exposure Calculator
Dejan Boras Photo & Video iPhoneiPadiPod touch
Star Exposure Calculator is a free Photo & Video app for iPhone and iPad by Dejan Boras. Requires iOS 13.0. Updated April 5, 2026.
- Price
- Free
- on the App Store
- Size
- 25 MB
- Age 4+
- Updated
- Apr 5
- 2026 · v1.3.6
Screenshots
About Star Exposure Calculator
Star Exposure Calculator is an app that helps you calculate the right exposure settings for pin-sharp stars in astrophotography. Features: • Calculate star exposure via simple or complete NPF rule for pin-sharp stars • Calculate star exposure via 500 rule • Calculate focal ratio of your telescope • Telescope magnification calculator • Maximum telescope magnification calculator • Telescope true field of view calculator We constantly update the app to provide more features that users are looking for, so expect even more with future updates.
What’s new
Version 1.3.6 · Updated April 5, 2026
• Expanded camera database • Some updates to keep the app fresh
App privacy
The developer, Dejan Boras, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
Used for: Third-Party Advertising, Analytics
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data, Other Diagnostic Data
Used for: Analytics
Alternatives to Star Exposure Calculator
Looking for apps like Star Exposure Calculator? Here are 6 similar apps on the App Store. The highest rated is Mango Exposure: The Calculator (5.0/5), and 5 of the 6 are free to download.
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Silverlog Stars
-
Photography Calculators Pro
-
Mango Exposure: The Calculator
5.0
-
Shutter Sky
-
Luma Calc
-
Milky Way Tonight
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Star Exposure Calculator | – | Free | April 5, 2026 | |
| Silverlog Stars | – | Free | Sep 29, 2026 | Compare |
| Photography Calculators Pro | – | Free | Nov 2, 2025 | Compare |
| Mango Exposure: The Calculator | 5.0 / 5 (1) | Free | Aug 10, 2026 | Compare |
| Shutter Sky | – | Free | Jun 29, 2025 | Compare |
| Luma Calc | – | Free | Mar 24, 2026 | Compare |
| Milky Way Tonight | 5.0 / 5 (22) | 7.99 USD | Sep 3, 2026 | Compare |