About
This game challenges your judgment of baseball umpire calls. Watch pitches from a home-plate view and decide if the call was correct. You can even pitch yourself and analyze ball trajectory and spin.
What's New in ABSline
1.1.0
July 25, 2026
• The title-screen baseball can now be spun with your finger • Added an introduction to our sibling app, Tracking Lab
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FAQ
Does ABSline have ads?
No, ABSline is ad-free. The app description explicitly states 'No ads, no tracking, no accounts — just baseball'.
What devices does ABSline support?
ABSline is available on iPhone and iPad, as indicated by the supported devices list.
How do I play ABSline?
You watch pitches from a home-plate view and decide if the umpire's call was correct. You can double-tap to challenge a call, and the game provides a replay with 3D strike zone analysis.
Can I pitch in ABSline?
Yes, you can pitch yourself in ABSline. You can flick to throw and re-grip seams to pick pitch types, with real velocity and spin tracked.
What is the age rating for ABSline?
ABSline has an age rating of 4+, making it suitable for a wide range of players.
How often is ABSline updated?
The latest version, 1.1.0, was released on July 25, 2026, indicating recent development activity. The initial release date was June 11, 2026.
Are there leaderboards in ABSline?
Yes, ABSline features Game Center leaderboards for categories such as Top Speed, Top Spin, Best Score, and Best Accuracy.
Does ABSline require an account?
No, ABSline does not require an account. The description mentions 'No ads, no tracking, no accounts — just baseball'.









