Comparison

Monk vs openGym

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

Head to head
About

Monk

Features
Read full description

100% free. 100% on your phone. Monk is a complete workout tracker with no subscription, no paywall, no ads and no account. Every feature is free, including the ones other gym apps charge for. Your training data never leaves your iPhone: there's no sign-up, no server and no tracking. WHY MONK • Free forever: unlimited routines, full stats, PRs, charts and calculators • Local-only: your workouts are stored on your device, not in someone's cloud • Works offline: in a basement gym with no signal, everything still works • No account: open the app and start lifting LOG A SET IN ONE TAP • Last session's weights and reps are filled in, so most sets take one tap • Progressive overload built in: each workout is pre-filled with your next target, one more rep or the next weight step, with an automatic deload when you stall • Warm-up, drop and failure sets, plus optional RPE • Supersets, exercise notes and sticky notes that show up every session • Add a belt or vest to dips, pull-ups and any bodyweight exercise • Rest timer that starts automatically, with a Live Activity on the Lock Screen and in the Dynamic Island • Choose your rest-timer sound; it plays over your music without pausing it • Kilograms or pounds, kilometres or miles, switchable at any time UNLIMITED ROUTINES • As many routines and folders as you want • Ready-made programs: 5×5, Push/Pull/Legs, Upper/Lower, Full Body • After a workout, save what you actually did back to the routine PROGRESS YOU CAN SEE • Body map showing which muscles you've trained • Estimated 1RM, heaviest weight, best set volume and rep records for every exercise • PR alerts mid-workout, and a feed of every record you've set • Weekly volume, sets per muscle group, muscle distribution and streaks • Monthly reports and a training calendar • Body weight, body fat and measurement tracking with charts APPLE HEALTH • Optional: save finished workouts to Apple Health, with estimated calories • Sync body weight both ways with the Health app 660+ EXERCISES • Illustrated exercise library with instructions • Filter by body part or equipment, or add your own BUILT-IN TOOLS • Plate calculator for any bar and plate set • Warm-up set generator • 1RM and rep-max calculator YOUR DATA, YOUR FILES • Import your history from a CSV export of your old workout app • Export to CSV, or back up everything to a single file you keep in Files or iCloud Drive • Delete the app and your data goes with it, so take a backup first No subscription. No in-app purchases. No ads. No account. Just lifting.

About

openGym

This app helps you plan, track, and analyze your gym workouts. It offers a vast exercise library with demos, customizable routines, and detailed progress tracking. Everything is stored locally on your device, with optional sync capabilities.

Highlights
  • Extensive exercise library with animated demos
  • Customizable workout plans and routines
  • Detailed set logging and rest timers
  • Plate math and progression tracking
  • Volume and recovery analysis
  • Local data storage with optional sync
  • Apple Watch integration and Live Activity
Features
Read full description

openGym is a workout tracker made by people who lift, for people who lift. Plan your week, log every set, and see what you actually did. No account, no ads, no subscription, no tracking. PLAN • Over 5,600 exercises with animated demos, in 19 languages • Four starter plans (Push/Pull/Legs, Upper/Lower, Full Body, 5×5), or build your own • A routine per weekday, or a rotation (A, B, C, A …) if your week doesn't run on a schedule • Supersets, warm-ups, drop sets, rest-pause, timed holds, per-side reps TRAIN • Today's workout starts itself, with weights filled in from last time • Rest timer that still rings with the screen locked • Plate math for the plates you actually own • Progression rules: linear, Greyskull, double progression and more • Check in at your gym by showing your membership code from the app TRACK • Estimated 1RM curves, volume per muscle, a recovery map • Body weight against your goal, progress photos side by side • Edit any past workout, or log one you did on paper YOURS • Everything stays on your phone. Want sync? Connect your own openGym server. • Import from Strong, Hevy and FitNotes; export everything any time • Optional AI coach that drafts your week, with your own API key, and only after it asked you • Free and open source (AGPL), built in the open with the community IPHONE AND APPLE WATCH • Apple Watch app: the current set, the rest timer and your heart rate on your wrist; tick sets off from there • Live Activity on the Lock Screen and in the Dynamic Island, plus widgets for your Home Screen • Apple Health if you want it: finished workouts and weigh-ins land there too Exercise animations © Gym visual (gymvisual.com), licensed for openGym.

Screenshots

Monk4 screens
openGym4 screens

Verdict

The call

The clearest difference is device support: openGym at 4 against Monk's 1. openGym also leads on iOS requirement (15.5 vs 17.6). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 days. Both last shipped on November 10, 2026.

Scorecard2 real differences · 8 level
Monk versus openGym: the parameters behind the verdict, then further details
ParameterMonkopenGym
PriceFreeFree
Rating—4.9 (30 ratings) — better
Positive reviews—92.7% of reviews
Number of ratings—30 — better
Update frequencyEvery 6 daysEvery 6 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod, Apple Watch — better
Requires iOS17.615.5 — better
Further details — not scored
Size30 MB388 MB
Age rating4+4+
DeveloperJashith VanamDuarte Lavouras Reis Santos

In-app purchases

None

Monk

No in-app purchases

None

openGym

No in-app purchases

Questions

Is Monk free?
Monk is free to download, with no in-app purchases.
Is openGym free?
openGym is free to download, with no in-app purchases.
Do Monk or openGym have ads?
Neither Monk nor openGym shows ads.
Which is updated more often, Monk or openGym?
Monk ships an update every 6 days, and openGym every 6 days. Most recently, Monk was updated on November 10, 2026 and openGym on November 10, 2026.

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