Borderline: Baseball Ump Game1.0.1 - App Store
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Publisher Description
Think you can outperform a Major League umpire? Put your eye to the test with real Statcast pitch data - the same technology MLB uses during official ABS challenges.
Every pitch in Borderline is a real called pitch from a real MLB game. You see the ball fly in from the pitcher's perspective, and you have to call it: ball or strike. Then the rulebook strike zone appears, and you find out exactly where it landed - and whether the umpire behind the plate got it right.
REAL MLB DATA
Every pitch comes from Baseball Savant's Statcast database. Real coordinates, real spin rates, real umpires - no simulations. If Laz Diaz blew a call, you'll see exactly why.
THE ABS STRIKE ZONE
Borderline uses MLB's Automated Ball-Strike system rules. If any part of the ball touches the rulebook zone, it's a strike - the same standard used in official ABS challenges. The batter's zone height adjusts dynamically per player.
FOUR WAYS TO PLAY
Arcade - 10 random borderline pitches. Quick, free, addictive.
Daily Challenge - 10 blown calls from yesterday's games. Same pitches for every player worldwide. Share your score.
Full Game - Pick any real MLB game. Call every pitch in order with live count, score, and batter data. [Pro]
Blown Calls - Filter any game to only the pitches the umpire missed. [Pro]
PERSONAL STATS
Track your accuracy over time. See which pitch types fool you most and where in the zone you struggle. Are you better on fastballs or breaking balls? Inside or outside?
UMPIRE SEARCH
Find every game called by a specific umpire this season. Search for Laz Diaz, Angel Hernandez, or CB Bucknor and relive their worst games. [Pro]
FREE TO PLAY
Arcade mode and Daily Challenge are always free. Borderline Pro is a one-time purchase that unlocks full game browsing, umpire search, and blown calls mode - no subscription, ever.
Data sourced from Baseball Savant (Statcast) and the MLB Stats API. Not affiliated with or endorsed by MLB.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Version History Added Game Center leaderboard, improvements to pitch visuals to be more realistic. 1.0.1 Jun 9 1.0 May 27
About Borderline: Baseball Ump Game
The company that develops Borderline: Baseball Ump Game is Lucas Azzopardi. The latest version released by its developer is 1.0.1.
To install Borderline: Baseball Ump Game on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Borderline: Baseball Ump Game as malware if the download link is broken.
How to install Borderline: Baseball Ump Game on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Borderline: Baseball Ump Game is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Borderline: Baseball Ump Game is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 1.0.1
posted on 2026-10-14
Version History Added Game Center leaderboard, improvements to pitch visuals to be more realistic. 1.0.1 Jun 9 1.0 May 27
Disclaimer
Official App Store Link
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