Comparison

Sports Performance Lab vs GainLogger

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

Head to head
About

Sports Performance Lab

Features
Read full description

The Sports Performance Lab app connects you to everything sports science. In this app, you’ll have access to all spokes in the sports science wheel: mindset, testing, training, recovery, sports medicine telemedicine, resources, education and more

About

GainLogger

This app helps serious lifters track every set, rep, and personal record with fast, offline-first logging. It offers smart progression suggestions, Apple Watch integration, and detailed progress charts for strength training and bodybuilding.

Highlights
  • Fast set logging
  • Offline functionality
  • Apple Watch & Wear OS app
  • Progressive overload suggestions
  • Supersets & circuits
  • Exercise library with videos
  • Personal record detection
Features
Read full description

Log every set, every rep, every PR. GainLogger is the workout tracker built for serious lifters — build and share templates, watch strength climb over months and years, and log at gym-floor speed with full Apple Watch support. WHY LIFTERS PICK GAINLOGGER • Build & share workout templates — create your own, save any finished session as a template, share via public link • Personal records — auto-detected across reps, weight, volume, and 1RM • Milestones & streaks — achievements and streaks that keep you showing up • Long-term progress charts — strength gains over months and years • Apple Watch app — start, log, and finish workouts from your wrist • Fast set logging — tap-to-complete, smart reps & weight pickers, big buttons built for the gym floor • Supersets & circuits — group exercises, color-coded on the log screen • Per-set targets — different reps and weight for each set • 600+ exercise library — video demos and instructions • Smart progression — suggests next weight or reps from your last session • Tracking modes — reps × weight, reps-only, or duration per exercise • NEW: weekly planning — repeat a template on chosen weekdays, with reminder times and calendar export PERFECT FOR • Strength training & weightlifting • Hypertrophy & bodybuilding • Push/Pull/Legs, Upper/Lower, Bro splits • 5/3/1, nSuns, GZCLP, Stronglifts 5x5 • Calisthenics & bodyweight progression HOW IT WORKS 1. Pick a template or build your own 2. Log sets fast — tap to complete, smart pickers handle the numbers 3. Review your PRs, streaks, and strength curves FEATURES IN DETAIL Templates & Sharing: Build workout templates from scratch, or save any finished session as one. Share via a public link with a coach or training partner. Programs & Bundles: Multi-week programs with weekly schedules keep long training blocks organized. Start from PPL, Upper/Lower, Stronglifts 5x5, and more. Weekly Planning: Set a template to repeat on chosen weekdays, add reminder times, and export your week to the calendar. Smart Progression: GainLogger reads your last session and suggests the next weight or rep target. Built-in progressive-overload rules: linear and double progression. Apple Watch: A standalone watch app — start, log, and finish from your wrist with heart rate, calories, and a rest timer. No phone required. Records & Milestones: Every PR auto-detected — top set, 1RM estimate, total volume. Streaks and achievements reward consistency, no manual entry. Per-Exercise Tracking: Reps × weight, reps-only (bodyweight), or duration (planks, holds). Pick what fits each exercise. Built for Speed: Big buttons, fast pickers, no menu digging — made for the middle of a working set. PRIVACY Your training data is yours. No ads, ever. GAINLOGGER PRO The core tracker is free. Pro unlocks unlimited programs and bundles, advanced progression rules, custom exercises, and full progress charts. 14-day free trial. Cancel anytime. QUESTIONS? FEEDBACK? Email support@gainlogger.app or visit gainlogger.app. Track your gains. Trust the log. Build the lift. Terms of Use: https://gainlogger.app/terms-of-use Privacy Policy: https://gainlogger.app/privacy-policy

Screenshots

Sports Performance Lab4 screens
GainLogger4 screens

Verdict

The call

The clearest difference is in-app purchases: Sports Performance Lab at none against GainLogger's 2. Sports Performance Lab also leads on iOS requirement (13.0 vs 15.1). GainLogger's advantage is update cadence (every 5 days vs every 5 weeks). On price, ads 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. GainLogger sells 2 in-app purchases, starting at $3.99 per month. Sports Performance Lab asks for nothing beyond the download.

UpkeepUpdate frequency

Sports Performance Lab ships an update every 5 weeks, GainLogger every 5 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 7 level
Sports Performance Lab versus GainLogger: the parameters behind the verdict, then further details
ParameterSports Performance LabGainLogger
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 5 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS13.0 — better15.1
Further details — not scored
Size93 MB92 MB
Age rating4+17+
DeveloperTHERADYNAMICS REHAB MANAGEMENT LLCVladislav Gesin

In-app purchases

None

Sports Performance Lab

No in-app purchases

2 purchases

GainLogger

Subscriptions2
  • GainLogger Pro$3.991 Month
  • GainLogger Pro14 Days trial$34.991 Year

Questions

Is Sports Performance Lab free?
Sports Performance Lab is free to download, with no in-app purchases.
Is GainLogger free?
GainLogger is free to download, with in-app purchases available.
Do Sports Performance Lab or GainLogger have ads?
Neither Sports Performance Lab nor GainLogger shows ads.
Which is updated more often, Sports Performance Lab or GainLogger?
Sports Performance Lab ships an update every 5 weeks, and GainLogger every 5 days. Most recently, Sports Performance Lab was updated on October 5, 2026 and GainLogger on October 11, 2026.

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