Comparison

RepLog vs SLAB

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

Head to head
About

RepLog

Features
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RepLog: Your Workout, Your Way From a simple log book to deep insights and professional analyticsβ€”RepLog is the last workout tracker you’ll ever need. Tired of clunky apps that get in the way of your lift? We were too. RepLog was born from a simple need: a powerful, no-nonsense workout tracker that adapts to you. Whether you want a digital version of a pen-and-paper gym log or a feature-rich data powerhouse, RepLog is the most versatile and configurable training tool on the App Store. THE ULTIMATE TRAINING COMPANION * Ultra-Customisable: Create your own exercises and workout splits. Use it as a basic set logger or enable dozens of advanced toolsβ€”it’s entirely up to you. * Track Everything: Log standard sets, supersets, drop sets, and warm-ups with a single tap. * Live Activities & Dynamic Island: Stay focused on the iron. See your current set and rest timer right on your Lock Screen without opening the app. * Smart Rest Timer: Stop watching the clock. RepLog auto-starts timers tailored to your liftβ€”3 mins for heavy Squats, 90s for Curls. * Plate Calculator: No more "gym math." We’ll tell you exactly which plates to load on the bar. * Gym-Specific Exercises: Keep your home gym and commercial gym routines separate with location-specific exercise lists. TRAIN SMARTER, NOT HARDER * Smart Load: Our RPE-based algorithm analyzes your perceived exertion and suggests weight increases to ensure guaranteed progressive overload. * Recovery Widget: Powered by Apple Health (Sleep & HRV), we visualize muscle-specific recovery. Know exactly when your chest is ready for that next PR. * Training Insights: Get proactive alerts for plateaus, deload weeks, and neglected muscle groups. * Fun Facts: Did you lift a Gorilla today? We translate your total volume into real-world comparisons to keep training fun. PROFESSIONAL ANALYTICS & GOALS * Interactive Charts: Visualize strength, volume, and frequency trends over months or years with professional-grade analytics. * Muscle Split Analysis: Never skip leg day again with a visual breakdown of your training volume by muscle group. * Export to Coach: Generate beautiful, professional PDF reports of your training blocks to share with your coach or PT. * Personal Bests: We auto-track your 1RM, Max Volume, and Best Sets so your history is always at your fingertips. JOIN THE COMMUNITY * Social Feed: Share your workouts, photos, and achievements with friends or coaches. * Photo Check-Ins: Log physique updates and compare progress side-by-side to visualize your transformation. Download RepLog today and turn your data into gains. https://www.replog.co.uk/terms/

About

SLAB

Features
Read full description

SLAB is a voice-first workout tracker and food logger, built for lifters who hate fumbling with their phone mid-set and calorie counters who don't want the friction. Speak naturally. Say "225 for 5, felt heavy" or "200 grams of chicken breast" and SLAB logs it. No tiny buttons. No number pickers. No friction. HOW IT WORKS - Talk to SLAB like a training partner - It parses your voice into structured data - It tracks your calories, workouts, goals, PBs and previous weights, times, and durations - One tap to talk, then back to lifting BUILT FOR THE GYM Your hands are chalked. You're wearing wrist wraps. You're between sets and your rest timer is running. You don't want to tap through forms and scroll number pickers. SLAB lets you log with your voice and get back to work. TRACKS WHAT MATTERS SLAB remembers your personal bests and what you lifted last time. See your progress without digging through spreadsheets. ZERO FLUFF Dark mode only. No gamification. No confetti. No cartoon mascots. Just your lifts, your stats, your progress. SLAB Pro unlocks unlimited voice logging and full training history. Privacy Policy: https://getslab.app/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

RepLog4 screens
SLAB4 screens

Verdict

The call

The clearest difference is update cadence: RepLog at every 6 days against SLAB's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. RepLog sells 3 in-app purchases, starting at $3.99 per month and SLAB sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RepLog ships an update every 6 days, SLAB fortnightly. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

Scorecard1 real difference Β· 5 level
RepLog versus SLAB: the parameters behind the verdict, then further details
ParameterRepLogSLAB
PriceFreeFree
Update frequencyEvery 6 days β€” betterFortnightly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 β€” better
Further details β€” not scored
Size70 MB54 MB
Age rating4+4+
DeveloperNathan IsaacAndrew Lower

In-app purchases

3 purchases

RepLog

Subscriptions3
  • RepLog Pro Monthly7 Days trial$3.991 Month
  • RepLog Annual7 Days trial$19.991 Year
  • RepLog Pro 6 Months7 Days trial$22.496 Months
2 purchases

SLAB

Subscriptions2
  • SLAB Pro - Monthly7 Days trial$6.991 Month
  • SLAB Pro - Yearly7 Days trial$49.991 Year

Questions

Is RepLog free?
RepLog is free to download, with in-app purchases available.
Is SLAB free?
SLAB is free to download, with in-app purchases available.
Do RepLog or SLAB have ads?
Neither RepLog nor SLAB shows ads.
Which is updated more often, RepLog or SLAB?
RepLog ships an update every 6 days, and SLAB fortnightly. Most recently, RepLog was updated on September 8, 2026 and SLAB on September 14, 2026.

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