ko Frame Extractor vs onesec
Price, ratings, monetisation and update history for both apps, side by side โ 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 @@@ โข After launching the app, select and open a video saved on your device. โข Use the slider to display the frames. You can move between frames by swiping left or right. โข Press the share button to save the image to your photos app.
onesec
Easily create vlogs by selecting one-second clips from your videos. Reorder them instantly and share your daily life or travel montages. No complex editing needed for quick, shareable videos.
- Select and trim 1-second clips
- Drag to reorder clips
- Auto mode for quick creation
- Export to Camera Roll
- 30-day Story Challenge
- One-time purchase for Pro features
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onesec turns your videos into stunning vlogs by connecting 1-second clips from each. Pick your videos, choose the best 1-second moment from each, and your vlog is ready to share. FEATURES: - Select videos and trim 1 second from each - Drag to reorder clips instantly - Auto mode for one-tap creation - Export to Camera Roll or share directly - Choose from a 30-day Story Challenge for daily filming ideas - Complete a challenge theme after a successful export PERFECT FOR: - Anyone who wants to vlog without the hassle - Creating quick travel or daily life montages - Making short, shareable videos for social media No complex editing required. Just pick your seconds and let onesec do the rest. ONESEC PRO: - All 30 Story Challenge themes (7 are free) - Unlimited clips and longer 2- or 3-second holds - Every soundtrack, date stamps, and watermark-free exports - One-time purchase; not a subscription Purchase and Legal Information Pro features are unlocked with a one-time in-app purchase. This is not a subscription. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://starcrown.co.jp/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: ko Frame Extractor at none against onesec's 4. ko Frame Extractor also leads on iOS requirement (15.0 vs 17.0). onesec's advantage is update cadence (every 2 days vs fortnightly). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. onesec sells 4 one-off in-app purchases. ko Frame Extractor asks for nothing beyond the download.
ko Frame Extractor ships an update fortnightly, onesec every 2 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | ko Frame Extractor | onesec |
|---|---|---|
| Price | Free | Free |
| Positive reviews | โ | 0.0% of reviews |
| Update frequency | Fortnightly | Every 2 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Monetization | โ | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 4 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | KENICHI HIYAMA | Starcrown Inc |
In-app purchases
ko Frame Extractor
No in-app purchases
onesec
- Coffee$0.49
- Cookie$2.99
- Onesec Pro$2.99
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- Cake$6.99









