Frame Grab vs Key/Frame
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Frame Grab
Easily extract still images from videos stored on your device. Select any frame, adjust playback speed, and save images in JPEG format. Supports videos from Photos, Music, Podcasts, and TV apps.
- Extract frames from videos
- Save as JPEG
- Adjust playback speed
- Save single or multiple frames
- Embed Exif metadata
- Continuous frame grabbing
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Frame Grab makes it easy to capture and share any moment from videos stored on your device as still images in JPEG or HEIF format. It supports not only videos stored in the Photos app, but also those in the Music, Podcasts, and TV apps, as long as they are downloaded to your device. ◇◇◇ How to Use ◇◇◇ ◆When you launch the app, a list of video categories appears: Photos, Live Photos, Music Videos, Home Videos, Movies, TV Shows, and Podcasts. ◆Tap a category to view its videos, then tap a video to open the player view. ◆Move the playhead to the desired frame. Use the buttons on either side of the play button to step forward or backward one frame at a time. ◆Save Option 1: Tap the Share button to save the displayed frame to the Photos app, or share it with other apps and services. ◆Save Option 2: Tap the gray circle button to temporarily save the displayed frame to the Queue. Repeat this for other frames as needed. When you’re ready, tap the red badge showing the number of queued items to open the Queue and save multiple frames at once to the Photos app, or share them with other apps and services. ◆Choose an image format: Choose JPEG or HEIF in “Settings” > “Image Export Settings” > “Format”. ◇◇◇ Settings ◇◇◇ ◆Live Photos: Choose whether to show Live Photos videos. ◆Format: JPEG or HEIF ◆Quality: Four levels: Low, Low-Mid, Hi-Mid, High ◆Size: Actual size of original video Half size of original video Maximum 1920, 960 or 640 pixels ◆Location Info: Choose whether to embed the location data as Exif metadata in the exported images. Applies only if the video contains location information. ◆Date-Time Info: Choose whether to embed the shooting date-time as Exif metadata in the exported images. Applies only if the video contains date-time information. ◆Show Format: Choose whether to show the format on thumbnails in the Queue. ◆Show Frame Time: Choose whether to show the frame time on thumbnails in the Queue. ◇◇◇ Other Features ◇◇◇ ◆Playback Speed: 0.5x, 1.0x, 1.25x, 1.5x, 2x ◆Continuous Grabbing: Extract multiple frames at user-defined intervals and save them to the Queue. ◇◇◇ Note ◇◇◇ ◆No recording feature included. ◆Protected videos — such as movies downloaded from the Apple TV Store — cannot be displayed. ◆Images in the Queue may be cleared when either the app or the OS is updated. ◆Videos recorded on iPhone or iPad store only the location where the recording started. Images extracted from the same video will contain the same location information.
Key/Frame
Effortlessly extract stunning still images from your videos using on-device AI. This tool automatically identifies the most visually striking frames, making it simple to capture perfect moments from any clip. Save, share, and bookmark your favorite stills with ease.
- AI-picked highlights
- Import from Photo Library/Files
- Save and share stills
- Bookmark favorite frames
- On-device processing for privacy
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Instantly Capture the Best Moments From Your Videos Turn your video clips into stunning stills with Key/Frame. Powered by on-device AI, Key/Frame finds the most visually striking frames from any video — no scrubbing, no guessing. Whether you're grabbing the perfect shot from a vacation, capturing highlights from sports, or sharing a special moment, Key/Frame makes it effortless. Features: - AI-Picked Highlights – Instantly detect the most eye-catching frames from your videos. - Import with Ease – Load videos from your Photo Library or Files app. - Save & Share – Export beautiful stills and share them anywhere. - Bookmark Favorites – Keep track of keyframes you love. - Private by Design – All processing happens locally on your device. Your videos and frames never leave your device. Key/Frame transforms your videos into curated collections of moments worth saving. Try it today and see what your videos have been hiding. Key/Frame uses Apple’s standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Frame Grab at Free against Key/Frame's $3.99. Frame Grab also leads on in-app purchases (none vs 5) and ratings volume (97 vs 1). Key/Frame's advantage is rating (5.0 vs 4.4) and ads (none vs shown). On monetization model and device support 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
Frame Grab is free to download; Key/Frame costs $3.99 up front. Key/Frame sells 5 in-app purchases, starting at $1.99 per month. Frame Grab asks for nothing beyond the download.
Key/Frame holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Frame Grab has 97 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 70% of Frame Grab's written reviews are positive against 100% of Key/Frame's.
Frame Grab ships an update every 2 months, Key/Frame every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Frame Grab | Key/Frame |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | 4.4 (97 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 70.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 97 — better | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 — better | 26.6 |
| Further details — not scored | ||
| Size | 7 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Tranquillity Base | Stephan Koopmans |
Customer experience
Frame Grab
Key/Frame
Bugs and requests
Frame Grab
Reported bugs
19 issues- App freezes on launch with large photo libraries
- Slow to load videos
- Black frame displayed in the center of the screen during frame-by-frame selection
- App crashes when scrolling through home videos
- Screen grab doesn't always work
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- App crashes when reaching a certain number of frames, losing images
- Error message: 'Cannot load this video. PHAsset. PlaybackStyle:video'
- App crashes on start
- App crashes randomly, freezes
- Does not load any videos
- Has not worked since the update
- Won't open videos on iPhoneX / iOS13
- App crashes when I get a certain number of frames and I lose all my images
- The scree grab doesn’t always take, and I paid for this app, but I’m still getting ads
- The app freezes on launch on phones with huge photo libraries (huge = 100k+ items)
- The screenshot will grab the frame directly before the one I’m trying to capture
- App crashes when scrolling through home videos
- Quality degradation upon extraction
- Cannot load this video. PHAsset. PlaybackStyle:video
Requested features
10 requests- One-time purchase option to remove ads
- Ability to pay to remove ads
- Integration with file sharing for video import
- Support for more video codecs (TS, MKV)
- Apple shortcut integration for automatic frame export
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- Zoom in while video is playing
- More speed options for frame selection
- Auto-capture all slides
- Improvement for small subjects/brightness correction
- Automatic photo extraction at intervals (e.g., every 3 seconds, 10 photos in 0.5 seconds)
Key/Frame
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Frame Grab
No in-app purchases
Key/Frame
- Pro (Month)$1.991 Month
- Pro Family (Month)$3.991 Month
- Pro (Year)$17.991 Year
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- Pro Family (Year)$34.991 Year
- Pro (Lifetime)$24.99









