Wendler 531 calculator 5/3/1 app to plan log and track your Jim Wendler's power lifting 5/3/1 and beyond 5/3/1 workout program.
No more fiddling around with printed spreadsheets at the gym.
Enter your current 1 rep max and the app will calculate and manage your Jim Wendler's 5/3/1 progression and workout program.
The app will automatically layout the weights and reps for each workout day.
A lot of customization's are available to make the Jim Wendler's 5/3/1 program to customize to achieve your own goals.

Wendler 5/3/1 features
- Calculates one rep max (IRPM) based on your current lifts
- Configurable training max percentage
- Warm-up sets included
- Boring but big sets included
- Different repschemes supported 5/3/1, 3/5/1, 8/6/3 and 5/5/5
- Custom boring but big sets percentages
- 16 predefined assistance exercises ( customizable )
- Possibility to add your own assistance exercises
- Plates calculator shows the plates to load
- Rest timer with different lengths
- Kg/Lb support
- Progress charts to show your current 1 rep max and bodyweight
- Track your body weight
- Joker sets included
- First set last ( AMRAP and custom variation )
- Triumvirate assistance exercises template
- Configurable bar weights for the main lifts

The app has a trial period of 3 weeks. All features are available during this trial period.
Once the trial period is expired "5/3/1 Pro" feature is required to continue logging the 5/3/1 workouts.
Additionally "Assistance workouts" feature is required to continue logging the assistance workouts.

This app is not affiliated with Mr. Wendler(creator of the program). Please buy his book(s) to fully utilize the ideas behind 531!

What’s New

Version 4.9

Timer looping issue fixed

Ratings and Reviews

4.8 out of 5
251 Ratings

251 Ratings

see006 ,

Great App

Love this app. Interface took time to get used to but just really brilliant once you do. Any chance of an Apple Watch version?

Bobpies2 ,

Few bugs

So - first major bug is that it increases your 1RM each cycle and not your training max - which is completely wrong.

Other slight annoyance is that it will show you your goals i.e. “lift 5 on last set to beat 1rm” but it doesn’t dynamically update dependant on the weight you set there- sometimes you need to adjust the weight - but the goal remains unchanged.

Also the app doesn’t take into consideration any joker sets or additional sets performed when calculating your latest 1RM PR - even though it tells you how many reps required to hit a PR in the joker area - performing the PR doesn’t get logged in your graph.

It would be nice to easily be able to see previous cycle results somehow without the convoluted process of using the calendar and the going in through there. You can leave notes etc . But again they aren’t accessible without going in through the calendar. Needs looked at.

It’s close to being 5 star, but user experience is lacking a little overall

Edit: I removed an error in my review - also dev seems to taking the feedback on board which is nice - hopefully see the fixes implemented. Especially to the TM increase bug

Developer Response ,

Hi, Thanks for the feedback. Could you please send me an email? I would like to discuss some issues.

plockhart123 ,

Nice and lightweight, though improvements would be appreciated

The app is quick and minimalistic which I like. I think the chart could be better though.

I think the x axis should represent date rather than workout number. When I log my weight it doesn’t match up on the graph with my lifts because I don’t weight myself every session. It also makes the graph pointless since you can’t judge your improvement over time.

It’s also weird that reload sessions should be plotted on the graph - why?


Seetha Thangarasa
29.8 MB
Health & Fitness

Requires iOS 9.0 or later. Compatible with iPhone, iPad and iPod touch.



Age Rating
Rated 4+
© 2019 Seetha Thangarasa
In-App Purchases
  1. 5/3/1 Pro £4.99
  2. Assistance workouts £3.99
  3. Apple Watch support £3.99


  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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