Abstract
Gym Workout Tracker built a large, loyal user base on a simple exercise-logging format used since as early as 2020. Recent updates progressively lock even self-created custom workouts behind a monthly paywall, with no lifetime-purchase option, alongside increasingly aggressive ads.
Background
With over 13 million installs, Gym Workout Tracker: Gym Log logs sets, reps and weight against a 500+ exercise database with progress charts. Long-time users describe a creeping paywall: features that used to be free, including viewing sets in your own custom workouts, are now locked behind a subscription with no one-time option.
What it does
Logs sets/reps/weight against a 500+ exercise database with video demonstrations, custom routine creation, and progress charts (1RM, volume, body weight).
What changed
Custom workout tracking and viewing previously-logged sets are now increasingly locked behind a monthly subscription, with reviewers explicitly asking for a lifetime option that doesn't exist.
Why it is soft
The exercise database and logging format itself is still called the best users have tried — the complaint is the direction of monetization, not the core feature set.
Strengths
Multi-year users (some since 2020) describe this as the best logger they've tried, and the exercise database with video demonstrations is repeatedly called comprehensive and useful for form correction.
Long-retained daily habit
"Been using this for more than 5 years" and similar multi-year testimonials recur — a habit a new entrant would otherwise build from zero.
Strong exercise database
500+ exercises with HD photos/videos for form correction is repeatedly praised as more complete than competitors.
Market gap
The recurring complaints, most-common first:
Creeping paywall on own data
The largest cluster: even self-created custom workouts and previously-logged sets are now locked behind a subscription, with no lifetime-purchase option offered.
Aggressive, broken ads
A recurring second cluster: unskippable full-screen ads that freeze the app or repeatedly redirect to app-install pages, described outright as malware-like.
No plan reset after 30 days
A smaller but specific complaint: paid training plans can't be regenerated after their fixed period ends, forcing manual custom workouts afterward.
I have used this app for a long time but now its unusable everything that I could use to track or create a workout is now behind paywalls... if you create a custom workout yourself, half the sets will become locked behind a paywall as well.
ten seconds long ads whcih full the whole screen that you cannot close and redirect you to another app four times before you can close the add. this isn't advertising this is malware.
- Never lock a user's own previously-logged data. Viewing your own workout history should never require payment, regardless of premium-feature strategy.
- Offer a lifetime one-time purchase. Explicitly requested by reviewers and avoids the subscription-fatigue backlash the incumbent is now facing.
- Cap ad length and always provide a working close button. Un-closeable ads are the fastest path from "annoying" to "malware" in reviewers' own words.
Build complexity
Estimated, not derived: one developer, part-time, no funding and no paid acquisition. This is a well-understood CRUD logging app with a bundled exercise database, not novel engineering.
| Workstream | Weeks |
|---|---|
| Exercise database + logging UI | 1.0 |
| Custom routines + progress charts | 1.0 |
| Lifetime-unlock billing | 1.0 |
| Total | 3.0 |
Expected revenue
Assumes a $9.99 lifetime unlock (explicitly the format reviewers ask for) rather than a recurring subscription.
| Month 12, monthly | ||
|---|---|---|
| Installs | 5,000 | |
| Activated | 2,300 | 46% |
| Still on at 30d | 1,000 | 20% |
| Paid (lifetime) | 250 | 5% |
| Revenue | $2,500 |
Biggest challenges
Not the logging app itself — the workout-logger category is crowded with well-regarded alternatives, so standing out on trust and pricing alone against many similar free options is a real challenge.
Crowded logger category
Several well-regarded workout loggers already exist; the differentiator here is fair pricing, not a novel feature.
Exercise content volume
Matching a 500+ exercise database with photos/videos, even at a smaller scale, is real content work before launch.
AI angle
No genuine AI angle — workout logging is a straightforward data-entry and charting problem that AI doesn't meaningfully speed up or enable here.
Conclusion
Build it. A simple, well-proven format with a specific, fixable monetization complaint, though a crowded logger category keeps this a moderate rather than standout opportunity.
3 weeks
Time to v1
$9.99
Lifetime, no subscription
$2,500
Revenue at month 12
13M
Installs proving the format