Comparison

KeyFilter vs Grab HD Video Frames

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

Head to head
About

KeyFilter

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Upscale photos to a maximum resolution of 8192 x 8192. Directions ---------- 1. Tap the + button on the top right navigation bar to import a file 2. Select a photo to edit by tapping the photo thumbnail in the application 3. Tap the Save button on the top right navigation bar 4. Choose the output resolution

About

Grab HD Video Frames

Extract high-quality still images from any video with precise frame-by-frame control. Easily scrub through footage to capture the perfect moment, whether it's an action shot or a slow-motion highlight. Save multiple frames quickly with a simple, distraction-free interface.

Highlights
  • Save high-quality frames from any video
  • Frame-accurate controls for precision
  • Simple, distraction-free interface
  • Export images in full resolution
  • View and save multiple frames
  • Smooth video playback and scrubbing
Features
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VidGrab – Save Perfect Frames From Video Turn any video into high-quality still images in seconds. VidGrab makes it easy to scrub through your videos frame by frame, save the exact moment you want, and enhance it with AI upscaling up to 4K. Whether it's action shots, sports clips, slow-motion moments, or the perfect freeze frame, VidGrab gives you precise control with a simple, focused workflow. VidGrab is free to download and use. Some features are limited on the free plan, and an optional Premium subscription (auto-renewing, purchased in-app) unlocks everything — details below. Two Powerful Views Player View • Play and pause video smoothly • Skip forward or back 1 frame at a time • Jump 5 frames for faster navigation • Save the exact frame you see All Frames View • Instantly view every frame in the video • Pinch to zoom between 2, 3, and 4 columns • Scroll and select the best shots • Save multiple frames quickly 4K AI Upscaler (Premium) • Enhance any frame — or any photo from your library — with AI • Upscale up to 4K for crystal-clear detail • Compare original and upscaled side by side before saving Features • Save high-quality frames from any video • Frame-accurate controls for precision • Simple, distraction-free interface • Export images in full resolution • Perfect for sports, action, creators, and highlights Free vs Premium VidGrab is a free app with in-app purchases. Here's exactly what you get: Free • Save a limited number of frames • Exports include a small VidGrab watermark • Browse and preview every frame with no limits Premium (auto-renewing subscription) • Unlimited frame saves • Watermark-free exports • 4K AI upscaling for frames and photos Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Designed for speed. Built for precision. CONTACT: Jordanzeleny@gmail.com TERMS OF USE: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ PRIVACY: https://sites.google.com/view/vidgrab

Screenshots

KeyFilter4 screens
Grab HD Video Frames3 screens

Verdict

The call

The clearest difference is price: Grab HD Video Frames at Free against KeyFilter's $0.99. Grab HD Video Frames also leads on update cadence (fortnightly vs every 6 months). KeyFilter's advantage is in-app purchases (none vs 9) and iOS requirement (13.0 vs 16.0). 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

CostPrice · In-app purchases · Ads · Monetization

Grab HD Video Frames is free to download; KeyFilter costs $0.99 up front. Grab HD Video Frames sells 8 in-app purchases, starting at $4.99 per 7 days. KeyFilter asks for nothing beyond the download.

UpkeepUpdate frequency

KeyFilter ships an update every 6 months, Grab HD Video Frames fortnightly. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
KeyFilter versus Grab HD Video Frames: the parameters behind the verdict, then further details
ParameterKeyFilterGrab HD Video Frames
Price$0.99Free — better
Rating—4.4 (98 ratings) — better
Positive reviews—41.7% of reviews
Number of ratings—98 — better
Update frequencyEvery 6 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Mac
Requires iOS13.0 — better16.0
Further details — not scored
Size2 MB40 MB
Age rating4+4+
DeveloperMichael NewellJordan Zeleny

In-app purchases

None

KeyFilter

No in-app purchases

8 purchases

Grab HD Video Frames

Subscriptions6
  • Pro3 Days trial$4.997 Days
  • Pro$4.997 Days
  • Pro2 variants$9.991 Month
Show 3 more
  • Pro$14.993 Months
  • Pro3 Days trial$19.991 Year
  • Pro$19.991 Year
One-time2
  • Pro$9.99
  • Pro$39.99

Questions

Is KeyFilter free?
KeyFilter costs $0.99, with no in-app purchases.
Is Grab HD Video Frames free?
Grab HD Video Frames is free to download, with in-app purchases available.
Do KeyFilter or Grab HD Video Frames have ads?
Neither KeyFilter nor Grab HD Video Frames shows ads.
Which is updated more often, KeyFilter or Grab HD Video Frames?
KeyFilter ships an update every 6 months, and Grab HD Video Frames fortnightly. Most recently, KeyFilter was updated on October 4, 2026 and Grab HD Video Frames on October 16, 2026.

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