Comparison

StrengthlabLDN vs AthleteOS

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

Head to head
About

StrengthlabLDN

Features
Read full description

Take your favorite studio with you wherever you go! With the StrengthlabLDN app, you can: Plan and schedule your classes in just a few taps View class schedules and book instantly Access the latest studio news and updates Manage your training and progress all in one place Whether you’re new to training, aiming to improve performance, or recovering from injury, our expert coaches bring elite sports science to your everyday workouts. Maximize your time, stay on track, and never miss a class! Download StrengthlabLDN today and put your fitness at your fingertips!

About

AthleteOS

Features
Read full description

AthleteOS – Track Workouts. Build Consistency. See Your Progress. AthleteOS is a workout tracker for people who train with intent—not just to log workouts, but to improve over time. Track your sessions, plan your training, understand your patterns, and stay consistent with a system designed to help you make meaningful progress. Start simple: log exercises, sets, reps, and weights quickly—even offline. Then go deeper with personalized insights into your performance, recovery, and training habits. Train with real insight * Track exercises, sets, reps, weights, duration, and training volume * Review recent loads and monitor your exercise progression * See personal records and progressive overload recommendations * Understand your session quality and overall performance Plan smarter * Organize your weekly training with the Workout Planner * Choose your preferred training days and see what to train next * Use Today’s Focus for clear, actionable workout guidance * Browse detailed templates with muscle groups, estimated volume, and exercise previews * Rearrange exercises while planning, editing, or actively training Build consistency * Track your training streaks and weekly progress * Review previous training weeks with the Week Navigator * See how often you train and when you last completed a workout * Understand your average, earliest, and latest training times Balance training and recovery * See which muscle groups you’ve trained * Identify fatigued and recovered muscles * Understand primary and secondary muscle involvement * Spot training gaps and build a more balanced routine Stay motivated * Unlock achievements as you progress Track personal records and performance milestones Build momentum through consistent training Built for performance * Offline-first, fast, and reliable * Clean, modern design focused on usability * Interactive insights for workout duration and training volume * Designed to grow with your training Whether you’re working to improve performance, build strength, or become more consistent, AthleteOS helps you plan with purpose, train with confidence, and keep progressing. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

StrengthlabLDN4 screens
AthleteOS4 screens

Verdict

The call

The clearest difference is update cadence: AthleteOS at every 4 days against StrengthlabLDN's every 3 months. 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

StrengthlabLDN ships an update every 3 months, AthleteOS every 4 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 5 level
StrengthlabLDN versus AthleteOS: the parameters behind the verdict, then further details
ParameterStrengthlabLDNAthleteOS
PriceFreeFree
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.1 — better
Further details — not scored
Size84 MB228 MB
Age rating17+4+
DeveloperSD Performance LTDMESAN DIGITAL VENTURES LTD

In-app purchases

None

StrengthlabLDN

No in-app purchases

None

AthleteOS

No in-app purchases

Questions

Is StrengthlabLDN free?
StrengthlabLDN is free to download, with no in-app purchases.
Is AthleteOS free?
AthleteOS is free to download, with no in-app purchases.
Do StrengthlabLDN or AthleteOS have ads?
Neither StrengthlabLDN nor AthleteOS shows ads.
Which is updated more often, StrengthlabLDN or AthleteOS?
StrengthlabLDN ships an update every 3 months, and AthleteOS every 4 days. Most recently, StrengthlabLDN was updated on October 12, 2026 and AthleteOS on October 15, 2026.

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