Comparison

Astro Stacker vs Image Frame Extract Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Astro Stacker

Transform your smartphone into a powerful astrophotography tool. This app uses advanced algorithms to combine multiple night sky photos, reducing noise and revealing hidden celestial details for professional-quality results.

Highlights
  • Advanced stacking algorithms (Average, Median, Maximum, Minimum)
  • Intelligent and manual image alignment
  • Real-time processing and progress tracking
  • On-device processing, no cloud upload
  • Export high-resolution stacked images
  • Detailed processing insights and logs
Features
Read full description

ASTRO STACKER - Professional Image Stacking for Astrophotography Turn your smartphone into a powerful astrophotography tool! Astro Stacker uses advanced image stacking algorithms to combine multiple photos of the night sky, dramatically reducing noise and revealing celestial details invisible to the naked eye. PERFECT FOR: - Amateur astronomers capturing the Milky Way - Astrophotography enthusiasts shooting deep space objects - Stargazers photographing planets and constellations - Night sky photographers wanting professional results KEY FEATURES: ADVANCED STACKING ALGORITHMS - Average Stacking - Reduce noise by averaging pixel values - Median Stacking - Remove satellites and airplane trails automatically - Maximum Stacking - Capture the brightest stars and details - Minimum Stacking - Eliminate hot pixels and artifacts INTELLIGENT ALIGNMENT - Feature Detection - Automatically align stars across images - Center of Mass - Perfect for tracking celestial objects - Manual alignment options for precise control - Handles slight camera movement between shots REAL-TIME PROCESSING - Live progress tracking with detailed logs - See exactly what's happening during processing - Parallel processing for maximum speed - Works entirely on-device - no cloud upload needed PROFESSIONAL RESULTS - Export high-resolution stacked images - Preserve original image quality - Compare before/after results - Share directly to social media or save to Photos PROCESSING INSIGHTS - View detailed processing logs - Track alignment accuracy - Monitor stacking progress in real-time - Understand how each image contributes HOW IT WORKS: 1. Take 5-15 photos of the same night sky scene (use a tripod for best results) 2. Import images from your photo library 3. Select your stacking method and alignment technique 4. Watch as Astro Stacker combines your images 5. Export your noise-free, detail-rich astrophoto TIPS FOR BEST RESULTS: - Use a tripod or stable surface - Take 8-15 images of the same scene - Keep exposure settings consistent - Focus on stars or your main subject - Shoot in RAW format if possible NO SUBSCRIPTION REQUIRED Pay once, stack unlimited images forever. All processing happens on your device - your photos never leave your phone. PRIVACY FIRST - No account required - No data collection - No cloud processing - Complete offline functionality Whether you're capturing the Andromeda Galaxy, the Orion Nebula, or simply want cleaner Milky Way shots, Astro Stacker gives you professional astrophotography results right on your iPhone. Download now and reveal the hidden universe in your night sky photos! Privacy Policy: https://www.spacesss.com/apps/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Conditions: https://www.spacesss.com/apps/terms-and-conditions

About

Image Frame Extract Pro

Features
Read full description

Extract full-resolution still images from any video or GIF. Pick exact frames. No auto-extraction. You control every output. • Import a video or GIF • Move slider to exact moment • Add stills you want • Review and deselect • Export up to 50 images to Files or Photos • Use exported set with iOS Wallpaper Photo Shuffle • Uses AVFoundation and ImageIO for source-resolution frame render • Zero time tolerance for frame accuracy • Full EXIF safe output • One tap share: compatible with iOS Lock Screen shuffle • No timeline trimming. No template. Manual precision only • Both GIF and video in one tool • Focused UI. Minimal steps. Fast output • Exact decoding frame. Not approximated JPEG preview • No watermark. No upscaling. Original fidelity Precise still capture from any motion source. • Import MOV MP4 GIF • Exact frame seeking • Batch up to 50 selected stills • High-resolution export • iOS Lock Screen shuffle support • Full share actions (Photos or Files) • Works offline

Screenshots

Astro Stacker4 screens
Image Frame Extract Pro3 screens

Verdict

The call

The clearest difference is price: Astro Stacker at Free against Image Frame Extract Pro's $0.99. Image Frame Extract Pro's advantage is in-app purchases (none vs 3) and chart position (#194 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Astro Stacker is free to download; Image Frame Extract Pro costs $0.99 up front. Astro Stacker sells 3 in-app purchases, starting at $12.99 per month. Image Frame Extract Pro asks for nothing beyond the download.

Scorecard3 real differences · 8 level
Astro Stacker versus Image Frame Extract Pro: the parameters behind the verdict, then further details
ParameterAstro StackerImage Frame Extract Pro
PriceFree — better$0.99
Rating1.0 (4 ratings) — better
Positive reviews0.0% of reviews
Number of ratings4 — better
Update frequencyFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree
Best chart rank#194 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.016 — better
Further details — not scored
Size16 MB2 MB
Age rating4+4+
DeveloperAhmed Al-MahmudEyeOS Store Inc.

In-app purchases

3 purchases

Astro Stacker

Subscriptions2
  • AstroStacker app$12.991 Month
  • AstroStacker app$99.991 Year
One-time1
  • AstroStacker app$219.00
None

Image Frame Extract Pro

No in-app purchases

Questions

Is Astro Stacker free?
Astro Stacker is free to download, with in-app purchases available.
Is Image Frame Extract Pro free?
Image Frame Extract Pro costs $0.99, with no in-app purchases.
Do Astro Stacker or Image Frame Extract Pro have ads?
Neither Astro Stacker nor Image Frame Extract Pro shows ads.

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