SwiftAA
The premium Open Source alternative to SkySafari SDK
🎯 Best for:iOS and macOS developers building high-precision astronomy software.
What is SwiftAA?
A comprehensive implementation of Jean Meeus' astronomical algorithms for high-precision celestial calculations. It provides a native Swift wrapper around the C++ AA+ library for mobile and desktop astronomy applications.
Tech Stack
C++Physics & Astronomy
Why SwiftAA?
- • High precision calculations
- • Native Swift support
- • Extensive documentation
Limitations
- • Limited to Apple ecosystem for Swift
- • Requires domain knowledge
- • C++ dependency
2/26/2026
Last Update
36
Forks
16
Issues
MIT
License
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Competitor Cost
-$1,440
/ year (est. based on SkySafari SDK)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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