Star Trails
from Your Pocket
Transform sequences of night sky photos into stunning star trail images, cinematic time-lapses, and animated star trail videos.
Desktop-grade astrophotography algorithms. No computer needed.
Three Ways to Create
Choose your output. Each mode is powered by professional-grade algorithms optimized for mobile.
Star Trails Image
Blend dozens or hundreds of night sky photos into one dramatic composite. Star movement creates beautiful circular arcs across the sky.
- 5 blend modes: Lighten, Screen, Add, Average, Sigma Clip
- Comet Mode for natural fading trail effects
- Hot pixel removal & light pollution reduction
- Histogram stretching & auto-enhance
Time-Lapse Video
Convert image sequences into smooth cinematic time-lapse videos. Watch the night sky come alive in motion.
- Frame rate options: 12, 24, 30, 60 FPS
- Up to 1080p output resolution
- Smooth frame transitions
- Perfect for social media sharing
Star Trails Video
Create an animated video where star trails progressively grow frame by frame. Our most unique feature - rarely found in any other app.
- Progressive trail growth animation
- Multiple resolutions: 720p to 1440p
- Blend mode & comet mode support
- Combines image stacking with video encoding
How It Works
From capture to share in four simple steps. No desktop software needed.
Capture or Import
Use the built-in multi-shot camera (10-100 shots) or import existing image sequences from your gallery.
Choose Your Mode
Select Star Trails Image, Time-Lapse Video, or Star Trails Video based on the output you want.
Customize Settings
Pick your blend mode, enable comet mode, adjust quality, resolution, and processing options.
Save & Share
View your creation, save to your photo library, and share directly to Instagram, TikTok, or any app.
See What's Possible
From raw night sky photos to breathtaking compositions - all processed on your phone.
Circular star arcs from 150 stacked exposures with Sigma Clip blending
Smooth 30 FPS time-lapse of the Milky Way rising at 1080p
Animated progressive trails growing frame-by-frame with comet mode
Created something stunning? Share it with #Trailium and get featured.
Why Trailium
Professional astrophotography processing that fits in your pocket. Here's what sets us apart.
All-in-One Mobile Solution
Capture, process, and share without leaving the app. No desktop software, no complex workflows.
Desktop-Grade Algorithms
Sigma clip stacking, hot pixel removal, light pollution reduction - features typically found only in Sequator or StarStaX.
Animated Star Trails
Create progressive trail videos that show trails growing frame by frame. Rarely available on any mobile platform.
Comet Mode
Unique fading trail effect that makes stars look like shooting comets streaking across the sky.
Smart Pre-Processing
Automatic star enhancement, background darkening, noise reduction, and contrast boosting before stacking.
Free & Accessible
No paywall, no subscription. Professional astrophotography tools available to everyone.
Frequently Asked
Everything you need to know about Trailium.
Start Creating Tonight
Download Trailium and turn your night sky photos into something extraordinary. Free on Android.
Version 1.0.5 · Free with ads · No account required