Comparison

OpenBook vs Gym Log Workout Tracker

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

Head to head
About

OpenBook

Read full description

OpenBook is a clean, pen-and-paper style workout log. Built to be fast, simple, and flexible. No sign-up, no credit card required — start right away with unlimited exercises and routines, full graph access, and CSV export for your own data. Log up to 28 training days. Subscribe anytime for unlimited logging. With OpenBook, you can: Log any exercise. Track any unit or combination of units. However you train — strength, calisthenics, bodybuilding, powerlifting, yoga, or functional fitness — OpenBook fits around it. For example: • Bench Press — weight × reps • Zercher Hold — weight × time • Sled Push — weight × distance • Planche Lean — distance × time • Dead Hang — time only • Stretching — time only • Arrowhead Lunge — breaths Swipe between days Move between days with a simple swipe to review past sessions. See your training at a glance View your days across a calendar or heatmap. Plan or track anytime Start with a saved routine or log as you go. Time your rest. Add notes. Set custom rest timers and add notes for each session. View your progress with context Track your progress over time, including intensity through % max or %1RM. Compare and periodise Track two metrics on one timeline to support structured, periodised training. Edit or repeat sessions Quickly update past logs or duplicate sessions with a single tap. Download your data Export your data at any time. Back up your data to the cloud Keep your data safe and accessible. ——— Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ OpenBook Terms of Service: https://openbook.fit/terms Privacy Policy: https://openbook.fit/privacy

About

Gym Log Workout Tracker

This app helps you track your weightlifting progress with clear charts and fast logging. It supports various exercise types and offers detailed performance insights to optimize your training.

Highlights
  • Fast set entry with previous numbers
  • Support for supersets, warm-up, and drop sets
  • Built-in rest timer
  • 15+ clear progress charts
  • Exercise library with how-to steps
  • Customizable routines
  • Workout summary and shareable cards
Features
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You put in the work. GRIPT shows it's paying off — every set logged in seconds, every workout turned into charts so clear you can see your progress at a glance. See what's growing, what's stalling, and what to do next. Open the app, log the set, get back to lifting. That's the whole idea. SWITCHING TAKES ONE TAP Coming from Strong, Hevy, or another tracker? GRIPT imports your full history — every PR, every number. No export file? Paste your workouts as plain text and AI import handles the rest. And you can export anytime. Your data is yours. LOG A SET IN SECONDS • A custom keyboard built for lifting — weight steppers, one-tap RPE/RIR, plates, add set, complete set • Your previous numbers next to every set — see them, beat them • Supersets, warm-up, failure, drop, and cool-down sets • Rest timer with sound — live on your Lock Screen and Dynamic Island • Set stopwatch for timed sets — count up or down • Plate calculator and warm-up calculator, one tap from any barbell set • Quick Start an empty workout, or run a saved routine • Works fully offline — no signal in the gym, no problem. It syncs later. SEE WHAT'S ACTUALLY WORKING This is where GRIPT pulls ahead — 15+ charts, beautifully clear: • Estimated 1RM — accurate projections from every set • Max weight, exercise volume, total reps, max reps • Working weight range — how light to heavy you went • Weekly volume per muscle group — built for hypertrophy • Muscle balance radar & muscle split — spot what you're skipping • Training load heatmap & training-day calendar • Workouts per week vs. your goal, workouts by weekday • Weight-vs-reps scatter, workout duration over time KNOW WHAT TO LIFT NEXT GRIPT suggests your next weight and reps from your logged sets and effort — and shows the reasoning behind every call. With PRO. APPLE WATCH Train straight from your wrist — log sets with the Digital Crown, get rest timer taps, and use the calculators. Works offline and syncs on its own. ROUTINES, YOUR WAY Build and reorder routines, tweak them mid-workout, and update them in a tap. Go unlimited with PRO. BUILT FOR HOW YOU ACTUALLY TRAIN Barbell, dumbbell, machine, weighted and assisted bodyweight, reps-only, cardio, and duration exercises — barbell days and bodyweight days, logged the same clean way. WATCH YOUR BODY CHANGE Body weight, body fat, and every body part from neck to calves. Set goals, compare left vs. right, get gentle reminders, and see trends on the same clean charts. APPLE HEALTH Finished workouts save automatically; weight and body fat sync both ways. FINISH STRONG, SHARE IT Every session ends with a clean summary and shareable cards for your stories. Send any workout or routine as a link — friends see a full preview and can try it in one tap. AN EXERCISE LIBRARY THAT TEACHES Hundreds of exercises with how-to steps and common mistakes — plus your records, history, and charts on every one. Create custom exercises, or report a missing one and we'll add it. FREE TO START Unlimited workouts and exercises, your full history, and core charts — free, with up to 3 routines. GRIPT PRO Unlimited routines, progression suggestions, the full Performance tab, and the plate & warm-up calculators. Free trial available. GRIPT PRO is an auto-renewing subscription. Payment is charged to your Apple ID at confirmation of purchase. Your subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://griptapp.com/terms Privacy Policy: https://griptapp.com/privacy Track smarter. Lift consistently. Get a grip on your progress.

Screenshots

OpenBook4 screens
Gym Log Workout Tracker4 screens

Verdict

The call

The clearest difference is ads: Gym Log Workout Tracker at none against OpenBook's shown. Gym Log Workout Tracker also leads on update cadence (every 3 days vs every 2 weeks). OpenBook's advantage is iOS requirement (15.5 vs 18.0). On price, in-app purchases and device support 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. OpenBook sells 2 in-app purchases, starting at $3.99 per month and Gym Log Workout Tracker sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OpenBook ships an update every 2 weeks, Gym Log Workout Tracker every 3 days. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

Scorecard3 real differences · 7 level
OpenBook versus Gym Log Workout Tracker: the parameters behind the verdict, then further details
ParameterOpenBookGym Log Workout Tracker
PriceFreeFree
Rating—4.7 (40 ratings) — better
Positive reviews—75.0% of reviews
Number of ratings—40 — better
Update frequencyEvery 2 weeksEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad, Apple Watch — better
Requires iOS15.5 — better18.0
Further details — not scored
Size55 MB127 MB
Age rating4+4+
DeveloperOpenArcX Pty LtdGontech Ventures

In-app purchases

2 purchases

OpenBook

Subscriptions2
  • OpenBook Full Access - Monthly$3.991 Month
  • OpenBook Full Access - Yearly$29.991 Year
5 purchases

Gym Log Workout Tracker

Subscriptions5
  • Gript Premium (Monthly)$2.991 Month
  • Gript Premium (Monthly)$4.991 Month
  • Gript Premium (Monthly)$9.991 Month
Show 2 more
  • Gript Premium (Yearly)3 Days trial$29.991 Year
  • Gript Premium (Yearly)7 Days trial$29.991 Year

Questions

Is OpenBook free?
OpenBook is free to download, with in-app purchases available.
Is Gym Log Workout Tracker free?
Gym Log Workout Tracker is free to download, with in-app purchases available.
Do OpenBook or Gym Log Workout Tracker have ads?
OpenBook shows ads; Gym Log Workout Tracker does not.
Which is updated more often, OpenBook or Gym Log Workout Tracker?
OpenBook ships an update every 2 weeks, and Gym Log Workout Tracker every 3 days. Most recently, OpenBook was updated on September 10, 2026 and Gym Log Workout Tracker on September 20, 2026.

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