Amazing star stacking app!
A very good tool that can stack starry sky photos directly on your phone, and it's very easy to use. Awesome, I really like this app.
Free
In-App Purchases
About
Combine multiple photos directly on your device for enhanced results. This app offers automatic masking and alignment for various photography needs, including starry skies and light trails. Process your images locally without needing an account or cloud sync.
✓On-device image stacking
✓Automatic masking and alignment
✓Starry sky stacking
✓Star trail stacking
✓Car-light trail stacking
✓Local preview generation
✓Export to Photos
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What's New in RoboTou Stacker
1.0.4
April 30, 2026
Auto mask tuning updates for better sky-mask generation
Subscription plans
RoboTou Stacker Pro Annual
Unlock Starry Sky stacking with an annual subscription.
$5.001 Year
1
In-App Purchases
$25.00
RoboTou Stacker Pro Lifetime
Unlock star stacking forever with a one-time purchase.
User reviews
FAQ
What is RoboTou Stacker used for?
RoboTou Stacker is used to combine multiple photos into cleaner stacked results, ideal for capturing starry skies, landscapes, star trails, or car-light trails directly on your iPhone and iPad.
Does RoboTou Stacker require an internet connection?
No, RoboTou Stacker is designed for on-device processing and does not require an account registration or cloud sync for its core workflows, meaning you can use it offline.
What types of stacking workflows does RoboTou Stacker support?
RoboTou Stacker supports workflows for starry skies, landscapes, star trails, and car-light trails, utilizing automatic masking and alignment for optimal results.
How much does RoboTou Stacker cost?
RoboTou Stacker is free to download and use. It offers an optional 'RoboTou Stacker Pro Annual' subscription for $5.00/P1Y for advanced features.
What devices is RoboTou Stacker compatible with?
RoboTou Stacker is compatible with iPhone and iPad devices, indicated by its support for these platforms.
How often is RoboTou Stacker updated?
The latest version is 1.0.4, and it was last updated on April 30, 2026, suggesting a recent update cycle.
What is the age rating for RoboTou Stacker?
RoboTou Stacker has an age rating of 4+, making it suitable for a wide range of users.
Does RoboTou Stacker have ads?
No, RoboTou Stacker does not contain advertisements, allowing for an uninterrupted editing experience.