So cool!
What a cool way to add the stars to my pictures! And it’s FREE!!!!
Free
In-App Purchases
About
Overlay accurate star positions onto your photos using image metadata and machine learning. The app intelligently identifies the sky to ensure stars are placed realistically, avoiding unwanted artifacts.
✓Accurate star positioning
✓Uses Yale Bright Star Catalog
✓Extracts image metadata
✓Machine learning sky detection
✓Realistic star overlays
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What's New in Add Astra
3.5.6
March 16, 2026
Fixed typo in the Terms of Service
Subscription plans
100 Credits a Month + No Ads
Gives you 100 credits a month and removes ads
$10.991 Month
5
In-App Purchases
$0.29
One Credit
This adds one credit to your account.
User reviews
Developer apps
FAQ
How does Add Astra determine star positions?
Add Astra uses the Yale Bright Star Catalog and extracts image metadata such as date, time, location, and orientation to calculate accurate star positions for your photos.
Does Add Astra have ads?
No, Add Astra does not contain advertisements. The app is free to download and use, with optional in-app purchases available.
What is the age rating for Add Astra?
Add Astra has an age rating of 4+, making it suitable for a wide range of users.
How often is Add Astra updated?
The latest version of Add Astra was released on March 16, 2026, indicating recent development and support.
What devices does Add Astra support?
Add Astra is currently supported on iPhones.
How does Add Astra identify the sky in a photo?
The app utilizes a DETRResnet50SemanticSegmentationF16 Machine Learning Model to accurately identify the sky within your image, ensuring stars are only overlaid in the appropriate areas.
What are the subscription options for Add Astra?
Add Astra offers a subscription plan for $10.99 per month, which includes 100 credits and removes ads.
What is the user sentiment for Add Astra?
Add Astra has received a perfect rating of 5.0 stars from 3 ratings, suggesting a highly positive user experience.