P1 · Progressive Overload
PRs You Didn't Have to Hunt For: Automatic Record Detection
Automatic pr tracking that runs off your normal sets: Stronkr detects 1RM, 5RM, volume and estimated 1RM records without you flagging a single thing.
The Stronkr Training Lab
Training that adjusts to the lifter, not the spreadsheet.
Evidence-led strength training, written by lifters who ship the app you train with.
P2 · RPE & Auto-Regulation
Autoregulation for Intermediate Lifters: A Field Guide
Autoregulation training loads the lifter you are today, not the one the spreadsheet predicted. How RPE handles bad sleep, stress and travel weeks.
P3 · Train the Body & Gym You Have
Coming Back After a Layoff Without Redlining Week One
A return to lifting after a break fails in week one, not week six. How RPE-based load selection sets comeback loads from what today actually felt like.
P2 · RPE & Auto-Regulation
Evidence-Based, Not AI-Improvised: Where Stronkr's Programming Comes From
An evidence-based workout app should tell you where its logic comes from. Stronkr's progression follows published autoregulation practice, not a chatbot.
P4 · Pricing & Principles
Free vs PRO: What $4.99 Actually Buys
An honest read of Stronkr pricing: what the free tier contains, what PRO adds at $4.99 a month, and why the AI coach on that list is not shipped yet.
P4 · Pricing & Principles
How Stronkr Compares to the Trackers You Already Use
Looking for a Strong app alternative? The honest axis is recording versus prescribing. What Stronkr does, what it cannot do, and the real switching cost.
P2 · RPE & Auto-Regulation
How to Rate Your Sets Accurately (and Get Better at It)
How to use RPE without guessing: rate immediately, ask how many reps you had left, and expect to be wrong early. A calibration guide for lifters.
P3 · Train the Body & Gym You Have
Knee-Friendly Lower Body Training That Still Progresses
A knee friendly leg workout you select, not improvise. Stronkr substitutes only what is contraindicated and keeps the rest of your lower body progressing.
P3 · Train the Body & Gym You Have
Lower-Back Friendly Lifting: Programming Around It, Not Quitting
A lower back friendly workout built for continuity. Stronkr swaps only what is contraindicated, keeps the rest progressing, and sets load from your RPE.
P3 · Train the Body & Gym You Have
Masters 40+ Strength: Programming for Recovery, Not Ego
Strength training over 40 fails on recovery, not effort. Masters 40+ Strength runs 2-3 days a week with structured recovery and RPE-driven load targets.
P4 · Pricing & Principles
Offline-First: Training in a Basement, Data That Stays Yours
An offline workout app that logs sets in a dead-signal basement, plus a plain reading of what 'your data stays yours' does and does not commit Stronkr to.
P1 · Progressive Overload
One Session End to End: From Warm-Up to Next Week's Load
A full workout logging flow, set by set: open today's session, log weight, reps and RPE, mark warm-ups, report pain, and see what changes next session.
P3 · Train the Body & Gym You Have
Postpartum Return to Lifting: A Structured Bridge Back
Postpartum strength training as a programming problem: a 2-3 day program with structured recovery and loads set from your logged RPE, not from old numbers.
P1 · Progressive Overload
Progressive Overload Without a Spreadsheet
A progressive overload app should do the arithmetic, not just chart it. How Stronkr turns each set's RPE into the next session's load, no sheet needed.
P1 · Progressive Overload
Reading Your Progress, Load Screen: Push, Hold, or Back Off
Strength progress tracking that answers a question: how to read per-exercise progression history and the ready-to-increase recommendation.
P2 · RPE & Auto-Regulation
RPE vs Percentage-Based Training on a Bad Day
RPE vs percentage training comes down to what happens when you show up under-slept. One method adapts to the day, the other assumes a max from weeks ago.
P2 · RPE & Auto-Regulation
RPE vs RIR: One Idea, Two Scales
RPE vs RIR is one measurement with two labels: RIR equals 10 minus RPE. When each framing is more natural, and why Stronkr logs a 1-10 RPE selector.
P3 · Train the Body & Gym You Have
Swap It Once, It Remembers: Equipment-Aware Routines
Most workout app exercise substitution is a one-off. Stronkr lists same-muscle options tagged by equipment and keeps the swap for every future session.
P4 · Pricing & Principles
What 'The Free Tier Never Shrinks' Actually Commits Us To
A free workout app with no paywall is easy to say and easy to walk back. Here is what is in Stronkr's free tier and where the commitment is written down.
P2 · RPE & Auto-Regulation
Why the Productive Zone Is RPE 6-9
The RPE productive zone is 6-9 because below 6 is warm-up work and 10 borrows recovery from the rest of your week. Here is what each end costs.
P1 · Progressive Overload
The Spreadsheet Tax: What Your Tracker Still Makes You Do
You pay for a tracker and still open a workout spreadsheet at 6am. Here is what that unpaid work costs and what has to happen for the sheet to close.
P3 · Train the Body & Gym You Have
Training Around a Cranky Shoulder Without Losing Progress
A shoulder friendly workout program that swaps only what is contraindicated and keeps the rest of your progression. Shipped, not a template you edit.
P1 · Progressive Overload
What a Coach Actually Does, and Which Part Software Can Do
Do I need a personal trainer? A coach does four jobs. Software can honestly do one, load prescription. Here is the split, without the hype.
P1 · Progressive Overload
What Is RPE Auto-Progression? How Stronkr Sets Your Next Load
RPE auto-progression explained: rate every set 1-10 and Stronkr prescribes your next session's load. Here is what the engine does with that number.
P3 · Train the Body & Gym You Have
What Makes a Generated Routine Actually Intelligent
An intelligent workout routine is a mechanism, not an adjective: built from your equipment, schedule, level and injuries, and reloaded from your own RPE.
P3 · Train the Body & Gym You Have
Six Adaptive Programs Most Training Apps Don't Ship
Six adaptive workout programs ship in Stronkr as real programs: postpartum, masters 40+, comeback, and lower-back, knee and shoulder friendly tracks.
P1 · Progressive Overload
How to Know When to Deload Without Guessing
When to deload, decided by data instead of a calendar: RPE creeping at a fixed load is the signal, and Stronkr prescribes the back-off before you stall.
P1 · Progressive Overload
Workout Tracker vs Workout Programmer: Why Logging Isn't Progressing
Workout tracker vs programmer: one archives what you lifted, the other prescribes what is next. Why five years of clean logs never moved a plate.
P4 · Pricing & Principles
Why Stronkr Isn't in the App Store (and Why That's Better for You)
Stronkr is a PWA fitness app. It installs from the browser, works offline, updates without a review queue, and carries no app store cut in its price.
P2 · RPE & Auto-Regulation
RPE 8 Doesn't Mean 'Hard.' It Means Two Reps Left.
What does RPE 8 mean? Two reps in reserve, you could have done two more. Here are the 1-4, 5-7, 8-9 and 10 zones and why 'hard' is a useless rating.
P1 · Progressive Overload
The Spreadsheet Isn't a Habit, It's the Step Your Logging App Skipped
Rate a set 1-10 and get a target increase or a deload for next Monday. That's the step logging apps leave out, and it's free in Stronkr.
P2 · RPE & Auto-Regulation
RPE for Progressive Overload: Why Lifters Who Log Everything Still Don't Progress
How to use RPE for progressive overload: rate every set honestly, read the trend, and turn it into next week's load. No spreadsheet required.
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