Not charting right now
This app isn't in any tracked top 100 at the moment.
- Longest chart run
- —Counted while Appulse tracks it
- New ratings, 7 days
- —Needs a week of rating history
What's new
Version 16.1 · 5 months ago
Bug fix.
Ranking events
- Entered the Grossing · Developer Tools chart at #96United States
About
PreGrade Ultra uses perspective correction to reduce the impact of camera angle on your centering measurements. **PERSPECTIVE CORRECTION** Other centering apps measure your photo as-is. If your camera is even slightly angled, your measurements can lose accuracy. PreGrade Ultra uses homography-based perspective correction to mathematically flatten your card to its true 63×88mm dimensions before measuring borders — centering analysis powered by computer vision. **PRECISION CENTERING…
Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.
Current rankings
Not charting right now
This app isn't in any tracked top 100 at the moment. Its history shows when it was.
Competitors
Full chartTop of Free · Developer Tools in United States. PreGrade Ultra isn't in it right now. Changes are over 7 days.
- #1 (number one)No change
TestFlightApple - #2No change
GitHubGitHub - #3No change
- #4No change
LocalDevVPNCoxson Engineering LLC - #5No change
CursorAnysphere - #6Up 2 places
Apple DeveloperApple - #7Down 1 place
O-KAM ProShenzhen VeePai IoT Intelligent Technology LLC - #8Down 1 place
Expo GoNametag - #9Up 4 places
ScriptableSimon B. Støvring - #10Down 1 place
- #11No change
Termius - Modern SSH ClientTermius Corporation - #12Down 2 places
App Store ConnectApple - #13New entry
Mockup & Demo Maker: ScreenyLazare Kolebka - #14Up 2 places
Apps ConnectCITY OF THE SKY NETWORK - #15Down 3 places
ZenVPN - Free Super Fast VPNSurf Safe Network Ltd - #16Up 2 places
T3 Code - Remote Claude & moreT3 Tools, Inc. - #17Down 2 places
Python Coding Editor & IDE AppCloudbit d.o.o. - #18Up 5 places
Clash Lite - Clash for iOSHood Lawn Service Inc. - #19No change
iSH ShellTheodore Dubois - #20Down 6 places
Orca IDELovecast LLC
Screenshots
About
From the app's App Store listing.
PreGrade Ultra uses perspective correction to reduce the impact of camera angle on your centering measurements.
**PERSPECTIVE CORRECTION** Other centering apps measure your photo as-is. If your camera is even slightly angled, your measurements can lose accuracy. PreGrade Ultra uses homography-based perspective correction to mathematically flatten your card to its true 63×88mm dimensions before measuring borders — centering analysis powered by computer vision.
**PRECISION CENTERING…
What's new
Version 16.1 · 27 May 2026 ·
Bug fix.
Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
App facts
What Apple publishes about this app. Ratings are from one country's App Store.
- Price
- Free
- Rating
- 5.0 / 5 stars2 ratings United States
- Released
- 9 Apr 2026
- Last update
- Version 16.1
- Requires
- iOS 26.4or later
- Size
- 6.3 MB
- Languages
- 1
Rank history
Higher on the chart is better: #1 is at the top.
No chart history to show
History appears for charts the app is currently in.
Current rankings
Every chart this app is in right now, best position first.
Not charting right now
This app isn't in any tracked top 100 at the moment. Its history shows when it was.
Ranking events
Entries, big moves, #1s and new versions we've recorded, by day.
- Entered the Grossing · Developer Tools chart at #96United States
Competitors
Full chartTop of Free · Developer Tools in United States. PreGrade Ultra isn't in it right now. Changes are over 7 days.
- #1 (number one)No changeTestFlightApple
- #2No changeGitHubGitHub
- #3No change
- #4No changeLocalDevVPNCoxson Engineering LLC
- #5No changeCursorAnysphere
- #6Up 2 placesApple DeveloperApple
- #7Down 1 placeO-KAM ProShenzhen VeePai IoT Intelligent Technology LLC
- #8Down 1 placeExpo GoNametag
- #9Up 4 placesScriptableSimon B. Støvring
- #10Down 1 place
- #11No changeTermius - Modern SSH ClientTermius Corporation
- #12Down 2 placesApp Store ConnectApple
- #13New entryMockup & Demo Maker: ScreenyLazare Kolebka
- #14Up 2 placesApps ConnectCITY OF THE SKY NETWORK
- #15Down 3 placesZenVPN - Free Super Fast VPNSurf Safe Network Ltd
- #16Up 2 placesT3 Code - Remote Claude & moreT3 Tools, Inc.
- #17Down 2 placesPython Coding Editor & IDE AppCloudbit d.o.o.
- #18Up 5 placesClash Lite - Clash for iOSHood Lawn Service Inc.
- #19No changeiSH ShellTheodore Dubois
- #20Down 6 placesOrca IDELovecast LLC
Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.