Comparison

Strength Direct vs RepStack

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

Head to head
About

Strength Direct

This app offers a straightforward and private way to log gym workouts, track progress with insightful data, and generate AI-ready summaries. It's designed for consistency and real improvement without ads or distractions.

Highlights
  • Fast and effortless set/rep logging
  • Actionable progress insights and trends
  • AI-ready training data summaries
  • 100% private, data stays on device
  • Lightweight and reliable offline functionality
  • Minimalist design for focus
Features
Read full description

Focus on your lifting. Free forever. No ads. No subscriptions. No tracking. No account required. Works offline. Strength Direct is a gym workout tracker with the tools you need to train consistently: previous-workout comparisons, reusable routines, automatic rest timers, and clear progress charts. PICK UP WHERE YOU LEFT OFF See your previous weights and reps beside each set, so you know what to aim for today. Build your own workout templates, start with Push, Pull, or Full Body routines, or repeat a workout from your history. YOUR ROUTINE. YOUR WAY. Choose built-in exercises or create your own. Organize supersets, warm-ups, and drop sets. Add notes, technique reminders, and optional reps in reserve. Track weights and reps, bodyweight exercises, timed holds, cardio, and loaded carries. REST WITHOUT WATCHING THE CLOCK Enable automatic rest timers for working sets and supersets. For supersets, the countdown starts after you log a working set on the final exercise. Customize rest times for each exercise, follow the countdown on your Lock Screen or Dynamic Island on supported devices, and enable notifications for an alert when it’s time for your next set. SEE YOUR WORK PAY OFF Track your training volume and estimated one-rep max over time with clear progress charts. Review individual exercises, strength trends, logged cardio, and body weight. Browse your workout calendar and edit past entries when needed. KEEP CONTROL OF YOUR DATA Your workout history is stored locally. Back up and restore your workout data. For another perspective on your training, copy a structured summary into your preferred AI assistant for feedback. You choose what to share. Log your next workout. Keep progressing.

About

RepStack

Features
Read full description

RepStack hilft dir dabei, dein Krafttraining strukturiert zu dokumentieren und deinen Fortschritt zu analysieren. • Trainingssessions einfach erfassen • Übungen, Sätze, Gewicht und Wiederholungen tracken • Fortschritt über Zeit analysieren • Automatische Trainingsanalyse RepStack unterstützt dich dabei, dein Training besser zu verstehen und langfristig Fortschritte zu erzielen.

Screenshots

Strength Direct4 screens
RepStack4 screens

Verdict

The call

The clearest difference is update cadence: RepStack at daily against Strength Direct's every 9 days. RepStack also leads on iOS requirement (15.1 vs 26.0). On price, ads, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Strength Direct ships an update every 9 days, RepStack daily. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 8 level
Strength Direct versus RepStack: the parameters behind the verdict, then further details
ParameterStrength DirectRepStack
PriceFreeFree
Rating4.9 (109 ratings) — better—
Positive reviews97.3% of reviews—
Number of ratings109 — better—
Update frequencyEvery 9 daysDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size9 MB40 MB
Age rating4+4+
DeveloperArnaud FloesserALEXANDER HINTERLEITNER

In-app purchases

None

Strength Direct

No in-app purchases

None

RepStack

No in-app purchases

Questions

Is Strength Direct free?
Strength Direct is free to download, with no in-app purchases.
Is RepStack free?
RepStack is free to download, with no in-app purchases.
Do Strength Direct or RepStack have ads?
Neither Strength Direct nor RepStack shows ads.
Which is updated more often, Strength Direct or RepStack?
Strength Direct ships an update every 9 days, and RepStack daily. Most recently, Strength Direct was updated on October 9, 2026 and RepStack on October 10, 2026.

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