RoboTou Stacker
On-device image stacking
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Stack starry skies, landscapes, star trails, and light trails directly on iPhone and iPad with local processing, auto masking, and up to 100-frame Star Trail Pro.
RoboTou Stacker helps you combine multiple photos into cleaner stacked results directly on your iPhone and iPad.
Import images from Photos, choose a stacking workflow, and generate results for starry skies, landscapes, star trails, or car-light trails. The app includes automatic masking, alignment, local preview generation, and export back to Photos.
The current version is designed for on-device processing. It does not require account registration or cloud sync for core workflows.
Privacy Policy: https://www.robotou.cn/robotou-stacker-ios-privacy/
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Auto mask tuning updates for better sky-mask generation
The developer, 振国 吴, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- RoboTou Pictures (Shenzhen) Co., Ltd
- Size
- 90.9 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- RoboTou Stacker Pro Annual $5.00
- RoboTou Stacker Pro Lifetime $25.00
- Copyright
- © 2026 RoboTou Stacker. All rights reserved.