ko Frame Extractor vs Strobe
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
ko Frame Extractor
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This app extracts and saves a single frame from any video. While screen capture creates large files, this app saves the image as a compressed JPEG, so it doesn't waste data storage space. @@@ Simple Instructions @@@ ā¢ After launching the app, select and open a video saved on your device. ā¢ Use the slider to display the frames. You can move between frames by swiping left or right. ā¢ Press the share button to save the image to your photos app.
Strobe
Transform videos into dynamic action sequence photos with AI-powered frame selection and subject isolation. Create professional-looking composites of movement in one tap, with options for overlaying multiple poses or displaying frames side-by-side.
- Video to action sequence photo conversion
- AI-powered frame selection
- Subject isolation and compositing
- Overlay and sequence modes
- Manual frame control
- Professional output effects
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Strobe turns your videos into action sequence photos ā automatically. Pick a video. Strobe extracts key frames, isolates the subject, and composites them into a single image. What used to take 30 minutes in Photoshop now takes one tap. ā OVERLAY MODE Moving actions (skateboarding, running, cycling) ā multiple poses on one background. ā SEQUENCE MODE Stationary actions (golf swing, dance, batting) ā side-by-side frame grid. ā SMART FRAME SELECTION AI-powered pose detection picks the most dynamic moments automatically. ā MANUAL CONTROL Timeline scrubber + frame gallery for precise selection. ā CLEAN RESULTS Edge feathering, overlap removal, and opacity gradients for professional output. ā FREE ā ā¢ Overlay & Sequence modes ā¢ Uniform & Smart frame selection ā¢ Up to 4 frames ā¢ Save with Strobe watermark ā STROBE PRO ($3.99, one-time) ā ā¢ Up to 12 frames ā¢ Manual frame selection ā¢ Crop ā¢ Subject position & size editing ā¢ No watermark Perfect for: ā¢ Skateboarders, surfers, BMX riders, parkour athletes ā¢ Golf coaches analyzing swing form ā¢ Sports coaches comparing athlete technique ā¢ Content creators & photographers ā¢ Anyone who loves motion photography
Screenshots
Verdict
The clearest difference is in-app purchases: ko Frame Extractor at none against Strobe's 1. ko Frame Extractor also leads on iOS requirement (15.0 vs 17.0). Strobe's advantage is update cadence (weekly vs fortnightly). On price, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Strobe sells 1 one-off in-app purchase. ko Frame Extractor asks for nothing beyond the download.
ko Frame Extractor ships an update fortnightly, Strobe weekly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.
| Parameter | ko Frame Extractor | Strobe |
|---|---|---|
| Price | Free | Free |
| Positive reviews | ā | 100.0% of reviews |
| Update frequency | Fortnightly | Weekly ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Monetization | ā | Free with in-app purchases |
| Devices | iPhone, iPod ā better | iPhone |
| Requires iOS | 15.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | KENICHI HIYAMA | Jong Hyeck Choe |
In-app purchases
ko Frame Extractor
No in-app purchases
Strobe
- Strobe Pro$3.99
Questions
Is ko Frame Extractor free?
Is Strobe free?
Do ko Frame Extractor or Strobe have ads?
Which is updated more often, ko Frame Extractor or Strobe?
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