Comparison

Strainup vs STARK

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

Head to head
About

Strainup

Features
Read full description

Strainup is the training app that adapts to you — not the other way around. Create your own exercises, your own workouts, teach your movements to the app and share your training routines. WHY STRAINUP? 100% CUSTOMIZABLE Custom sets, reps, weight, time, distance or free notes — you create your own exercises tailored to your training. UNIVERSAL TRACKING Forget generic gym apps. Strainup adapts to ALL sports. Create custom exercises for your calisthenics skills, cardio or flexibility work. FOCUS ON THE EFFORT A clean, efficiency-first interface. Log your workout in a few taps and get back to the bar. SHARE IN ONE LINK Share any exercise or routine with a friend, coach or community via a simple link. They import it in one tap. AUTOMATIC REP COUNTING Train the app on a movement in 5 reps. It learns your technique using your iPhone or Apple Watch accelerometer — then counts your reps in real time, no screen touching needed. No more wondering how many reps you've done. APPLE INTEGRATION • Live Activities: Follow your session from the lock screen — rest timer and current set without unlocking your iPhone. • Apple Watch: Validate your sets, track your reps and control your workout from your wrist. • Widgets: Today's workout on your home screen — no need to open the app to remember your session. KEY FEATURES • Automatic rest timer with background tracking • Reorder exercises during your session • Detailed history of your sessions and progress GREAT FOR • Calisthenics & Street Workout • CrossFit & Functional Fitness • Weightlifting & Strength Training • Running & Cardio • Yoga & Mobility SUPPORT & FEEDBACK Have a feature idea? Don't hesitate to suggest it — we build Strainup thanks to your feedback. Email: app@strainup.fr Privacy: https://www.strainup.fr/privacy Terms: https://www.strainup.fr/terms Download Strainup and take control of your progress.

About

STARK

Features
Read full description

The gym log that never slows you down. Log your sets in seconds, start your rest timer and watch your progress grow, workout after workout. Free to start, no ads, no account required. On iPhone and Apple Watch. At the gym or at home, STARK keeps your weights, reps and history in one place. Your last weights are right there: you know what to lift and stay focused on your workout. A WORKOUT LOG BUILT FOR THE GYM • Log exercises, sets, reps, weights and rest times • Supersets, warm-up sets and drop sets • Rest timer, resume an interrupted workout • Notes per exercise to remember how it felt and your machine settings TRACK YOUR PROGRESS • Full history, training volume and personal records • Work done per muscle group, week after week • Body weight tracking and progress photos • Import your previous history in JSON format +1,000 EXERCISES AND +30 PROGRAMS • Exercise library by muscle, with demos and form cues • Filter by equipment: barbell, dumbbells, machines, cable, bodyweight • Ready-to-follow programs: full body, upper/lower, PPL, PHUL, PHAT, StrongLifts 5Ɨ5… • Build your own workouts and organize your programs • Cardio, HIIT and WODs to mix up your training APPLE WATCH AND APPLE HEALTH • Follow your workout and manage rest times from your wrist • Save finished workouts to Apple Health, with your permission TRAIN WITH FRIENDS Start without an account. Create one later to sync your data across devices, find your friends, see their shared workouts and chat with them. STARK PREMIUM Unlock more programs and advanced progress analytics. STARK is a workout tracking tool. It does not replace medical advice or personal coaching. You train. You log. You progress. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Strainup4 screens
STARK4 screens

Verdict

The call

The clearest difference is update cadence: STARK at every 3 days against Strainup's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Strainup sells 2 in-app purchases, starting at $3.99 per month and STARK sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Strainup ships an update fortnightly, STARK every 3 days. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Strainup versus STARK: the parameters behind the verdict, then further details
ParameterStrainupSTARK
PriceFreeFree
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS18.617.0 — better
Further details — not scored
Size13 MB85 MB
Age rating4+4+
DeveloperVictor Simon,AXEL PIERRE HUGO SAILLARD

In-app purchases

2 purchases

Strainup

Subscriptions2
  • Strainup Premium7 Days trial$3.991 Month
  • Strainup Premium7 Days trial$19.991 Year
2 purchases

STARK

Subscriptions2
  • Stark Premium Monthly7 Days trial$4.991 Month
  • STARK Premium Yearly7 Days trial$39.991 Year

Questions

Is Strainup free?
Strainup is free to download, with in-app purchases available.
Is STARK free?
STARK is free to download, with in-app purchases available.
Do Strainup or STARK have ads?
Neither Strainup nor STARK shows ads.
Which is updated more often, Strainup or STARK?
Strainup ships an update fortnightly, and STARK every 3 days. Most recently, Strainup was updated on October 7, 2026 and STARK on October 8, 2026.

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