MuxStream vs Key/Frame
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MuxStream
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With MuxStream and your MuxLab Streaming Kit, you can start streaming to YouTube, Facebook, Wowza, OBS and many others. - Control your cameras with in-app PTZ controls - Configure pan speed, tilt speed and zoom speed - Create and save streams that you can call up at any time - Save camera presets that can remember the camera's position, zoom, and optionally audio as well - See you camera preview from within the app
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: MuxStream at Free against Key/Frame's $3.99. MuxStream also leads on in-app purchases (none vs 5) and iOS requirement (13.4 vs 26.6). Key/Frame's advantage is update cadence (every 3 weeks vs every 6 weeks). On ads 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
MuxStream is free to download; Key/Frame costs $3.99 up front. Key/Frame sells 5 in-app purchases, starting at $1.99 per month. MuxStream asks for nothing beyond the download.
MuxStream ships an update every 6 weeks, Key/Frame every 3 weeks. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.
| Parameter | MuxStream | Key/Frame |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 26.6 |
| Further details — not scored | ||
| Size | 24 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | MuxLab Inc. | Stephan Koopmans |
In-app purchases
MuxStream
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
