Not Impressed
The .csv template should be provided since I paid for the app. I created it from the PDF which took forever and when I try to upload it, it shuts down the app-every time. Very frustrating.
Free
In-App Purchases
About
This app offers a high-precision interval and reaction timer designed for various workouts and training needs. It allows users to create custom sessions, randomize elements, and share their routines. Ideal for athletes, trainers, and fitness enthusiasts seeking accurate timing and dynamic training.
✓Zero time drift for accurate timing
✓In-app session creator
✓Interval and reaction timers
✓Randomize workout elements
✓Customizable alerts and messages
✓Share and import workouts via CSV
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What's New in PB Intervals
1.1.0
October 20, 2026
Fixed an issue where a pesky #Hex color code had gone rogue on the Death By Burpees timer, which could cause the app to crash when run.
1
Subscriptions & In-App Purchases
$6.99
PB Interval Premium
Create unlimited timers, import & export CSV.
User reviews
FAQ
Is PB Intervals a subscription app?
No, PB Intervals is not a subscription app. It offers a free version with essential features and a one-time payment option for the full version, with no recurring charges.
What features are unlocked with the full version of PB Intervals?
The full version of PB Intervals unlocks unlimited saved timers, the ability to enable hundredths of a second input and display, and import/share options. It also includes many timers available on the app's website, such as the beep test.
What is a Reaction session in PB Intervals?
Reaction sessions in PB Intervals use random interval calls to sharpen reflexes, making them ideal for martial arts, boxing, or dynamic rehab workouts. They simulate a coach calling out unpredictable intervals.
Does PB Intervals offer a free trial?
There is no free trial for PB Intervals. However, the free version of the app allows users to test its core features without advertisements.
How can I share workouts created in PB Intervals?
To share workouts, navigate to the Home screen or a folder, tap the edit button, select the desired workout(s), and then tap the share button in the top right corner.
How do I import custom workouts into PB Intervals?
Custom workouts can be imported into PB Intervals via CSV files. This feature allows for easy import of pre-designed routines without tedious manual entry.
What devices does PB Intervals support?
PB Intervals is supported on iPhone and iPod devices. It is rated for ages 4 and up.
How often is PB Intervals updated?
PB Intervals was last updated on October 20, 2026, with version 1.1.0. This indicates a recent update, suggesting ongoing development and support.
