Comparison

Repstack vs On Track Fitness

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Repstack

Read full description

You already have a training program. You just need a better place to put it. Repstack is the fastest way to get your training program off a spreadsheet and into your pocket. Paste your program from any source — AI structures it into a clean, editable plan in seconds. No manual entry. No rebuilding it exercise by exercise. Just paste and go. Built for experienced lifters who follow structured programs and don't need an app telling them what to do. No coaching. No recommendations. No charts. Just your program, organized and ready to use. IMPORT FROM ANYWHERE — INSTANTLY • Paste from Google Sheets, Apple Notes, PDFs, coach emails, or text messages • AI parses any format — spreadsheets, plain text, tables, whatever you have • Preserves your exact exercises, sets, reps, RPE, and notes • Handles complex notation: 3x5 @8, 5/3/1, AMRAP, top sets, backoffs • Your entire program is structured and usable in seconds — not hours EDIT FASTER THAN ANY OTHER APP • Chat with AI: "Add bench press 5x5 at RPE 8" — done • "Superset curls and pushdowns, 3 rounds" — done • "Make all sets AMRAP" — done • Full manual editing too — tap any exercise, set, or note to change it • Supersets, circuits, exercise groups — all seamless STRUCTURED FOR REAL PROGRAMS • Weeks and training days — the way real programs are written • Notes at every level — program, week, day, exercise, set • Mark days and sets complete as you train • Standalone workouts for one-off sessions FAST, CLEAN, INTUITIVE • No clutter, no distractions, no features you'll never use • Opens instantly — your program is right there • Every action is one or two taps • Designed for the gym floor, not the couch PRIVATE BY DEFAULT • All data stored locally on your device by default • Pro subscribers get automatic cloud backup — stored securely, not tied to your name or email • AI features send your text for processing — not stored after use • No accounts, no analytics, no tracking, no social features REPSTACK PRO • Unlimited AI imports and chat edits • Automatic cloud backup to restore across devices • Monthly or yearly subscription Built for powerlifters, bodybuilders, and anyone running a structured program who's tired of squinting at a spreadsheet between sets. Privacy Policy: https://repstack.up.railway.app/privacy Terms of Use: https://repstack.up.railway.app/terms

About

On Track Fitness

Features
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On Track Fitness is the all-in-one app for personal training clients and the trainers who coach them. Whether you're working with a trainer at your gym or following a program on your own schedule, On Track Fitness keeps your workouts, sessions, and progress in one place. FOR CLIENTS • View workouts assigned by your trainer • Log sets, reps, and weights as you train • See your full progress history and milestone achievements • Keep track of upcoming personal training sessions • Unlock gym doors from your phone with Tap to Unlock FOR TRAINERS • Build custom training programs and assign them to clients • Track every client's progress in real time • Schedule sessions and manage your roster • Run your training business with built-in client management FEATURES • Personal training program builder • Workout logging with sets, reps, and weight tracking • Fitness assessments and milestone celebrations • Session scheduling and management • Bluetooth-based gym door access (where supported) • Secure sign-in protected by industry-standard authentication ABOUT ON TRACK FITNESS On Track Fitness is built for serious lifters and the coaches who train them. We focus on the tools you actually use every day — clean workout logging, clear progress tracking, and direct communication with your trainer — without the social-media clutter. Subscriptions are billed through our website. Personal training services are provided by your trainer or gym, not by On Track Fitness, LLC. Questions? Visit on-track-fitness.com or email greg@on-track-fitness.com.

Screenshots

Repstack4 screens
On Track Fitness4 screens

Verdict

The call

The clearest difference is in-app purchases: On Track Fitness at none against Repstack's 2. Repstack's advantage is update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Repstack sells 2 in-app purchases, starting at $3.99 per month. On Track Fitness asks for nothing beyond the download.

UpkeepUpdate frequency

Repstack ships an update every 8 days, On Track Fitness every 2 months. The most recent releases landed on November 9, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 4 level
Repstack versus On Track Fitness: the parameters behind the verdict, then further details
ParameterRepstackOn Track Fitness
PriceFreeFree
Update frequencyEvery 8 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size41 MB34 MB
Age rating12+4+
DeveloperSteven LaGuardiaOn Track Fitness

In-app purchases

2 purchases

Repstack

Subscriptions2
  • Repstack Pro (Monthly)$3.991 Month
  • Repstack Pro (Yearly)$23.991 Year
None

On Track Fitness

No in-app purchases

Questions

Is Repstack free?
Repstack is free to download, with in-app purchases available.
Is On Track Fitness free?
On Track Fitness is free to download, with no in-app purchases.
Do Repstack or On Track Fitness have ads?
Neither Repstack nor On Track Fitness shows ads.
Which is updated more often, Repstack or On Track Fitness?
Repstack ships an update every 8 days, and On Track Fitness every 2 months. Most recently, Repstack was updated on November 9, 2026 and On Track Fitness on October 28, 2026.

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