What's the Call? Fast Pitch
Fast Pitch Rules Trainer
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
v3.0: 90 new Rule Interpretations questions on the Look Back Rule, obstruction, dropped 3rd strike & more. New Tournament chapter and expanded Live Call edge cases.
Make the right call -- every time.
What's the Call? Fast Pitch is the essential rules trainer for fast pitch softball coaches, umpires, and parents. Master the rules of the game with hundreds of scenario-based questions covering every situation you'll face on the field.
This guide references USA Softball rules.
Quiz Modes:
Trivia -- test your rules knowledge
What's the Call? -- real game scenarios
True / False -- quick rule checks
Advanced -- complex multi-rule situations
NEW in 3.0 -- Rule Interpretations chapter: 90 questions on the trickiest situations umpires face -- the Look Back Rule, obstruction timing, batting out of order, fourth out appeals, dropped third strike, courtesy runners, illegal pitches, and more.
NEW in 3.0 -- Tournament chapter: 15 questions on run rules, tie-breakers, time limits, double-headers, roster eligibility, and pool play.
Live Call (formerly Game Mode)
Live rulings in under 3 taps. Pick a category, answer a question or two, and get the ruling instantly -- built for the dugout, not the classroom. Now includes an Interpretations category with decision trees for the gnarliest edge cases: Look Back Rule, obstruction type A vs B, dropped third strike, tie-breakers, and more.
Covers the full rulebook:
Pitching mechanics and illegal pitches
Base running and appeal plays
Interference and obstruction
Batting rules and the strike zone
Scoring and time plays
Equipment and field regulations
Defensive conferences and re-entry rules
DP / FLEX lineup rules
Whether you're a first-year coach or a seasoned umpire, What's the Call? Fast Pitch keeps the rulebook in your pocket.
DISCLAIMER
This app is an educational tool for learning rules -- not a replacement for certified umpires. All final rulings on the field belong to the umpire. This app is an independent educational tool and is not affiliated with, endorsed by, or sponsored by any softball organization.
Ratings & Reviews
v3.0 Major Update!
NEW Rule Interpretations chapter — 90 questions on the trickiest fast pitch situations:
- Look Back Rule (the signature softball rule)
- Obstruction (Type A vs Type B)
- Catcher's obstruction
- Batting out of order
- Fourth out appeals
- Dropped third strike
- Courtesy runners
- Illegal pitches (crow hop, leaping)
- DP/Flex situations
- And much more
NEW Tournament chapter — 15 questions on run rules, tie-breakers, time limits, and double-headers.
Live Call (formerly Game Mode) now includes an Interpretations category with decision trees for the gnarliest edge cases.
Plus various fixes and improvements.
The developer, Clark Allen, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Clark Allen
- Size
- 27.8 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Game Mode $0.00
- Copyright
- © 2026 Clark Allen