Comparison

Simple Strength NLP vs RoxLab

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

Head to head
About

Simple Strength NLP

This app guides novice lifters through a linear progression strength training program. It automatically adjusts weights, suggests modifications when you stall, and tracks your progress. Features include a rest timer, workout history, and an offline mode.

Highlights
  • Automatic weight progression
  • Rest timer with Lock Screen widget
  • Workout history and personal records
  • Apple Health integration
  • Plate calculator
  • Offline functionality
  • 1RM calculator
Features
Read full description

Simple Strength NLP An adaptive strength training tracker for the novice linear progression program. SIMPLE BY DESIGN Track your squat, bench, press, and deadlift. The app tells you what weight to lift and increases it when you're ready. SMART PROGRESSION Start light, add weight every workout. When you stall, the app suggests deloads and programming modifications. FEATURES -Automatic weight progression after successful lifts -Rest timer with Lock Screen widget and Dynamic Island -Workout history and personal records -Apple Health integration -Plate calculator shows exactly what to load -Works offline—your data stays on your device -1RM calculator, progression estimates, and more THE PROGRAM Based on the time-tested Starting Strength novice linear progression: three barbell workouts per week, alternating between Workout A (Squat, Press, Deadlift) and Workout B (Squat, Bench, Deadlift). MODEL Pay once, own it forever. No subscriptions, no premium tiers, no ads.

About

RoxLab

Features
Read full description

The ultimate HYROX training companion — simulate real races, track every rep, and compete globally. RoxLab turns your gym into a HYROX arena. Run through all 8 stations and 8 runs with real-time performance tracking powered by your Apple Watch. Whether you're prepping for your first HYROX or chasing a Pro podium, RoxLab gives you the data and competition you need to improve. SIMULATE FULL HYROX RACES Complete the official 8-run × 8-station format — SkiErg, Sled Push, Sled Pull, Burpee Broad Jumps, Rowing, Farmers Carry, Sandbag Lunges, and Wall Balls — with division-accurate weights and distances for Men, Women, Open, Pro, Doubles, and Relay. REAL-TIME APPLE WATCH METRICS Stream live heart rate, heart rate zones, calories burned, and distance directly from your wrist. Your watch controls the race — tap to transition, slide to complete stations. DETAILED SPLIT ANALYSIS Break down every station and run segment. Compare splits to your personal averages, spot your fastest and slowest stages, and track improvement race over race. GLOBAL LEADERBOARDS See where you rank against HYROX athletes worldwide. Filter by division, climb the ranks, and check out other athletes' profiles and stats. PERSONAL RECORDS & HISTORY Track your best overall time, fastest run pace, and top station performances. Browse your full race archive with PR badges and detailed summaries. PERFORMANCE ANALYTICS Heart rate zone distribution, average and max HR, calorie tracking, recovery estimates, and delta comparisons to your previous race — all in one post-race summary. BUILT FOR HYROX ATHLETES All 6 official divisions with correct weights and reps HealthKit integration for workout history GPS + pedometer distance tracking Share your results with one tap Dark mode design built for focus Download RoxLab and start racing smarter today.

Screenshots

Simple Strength NLP4 screens
RoxLab4 screens

Verdict

The call

The clearest difference is in-app purchases: RoxLab at none against Simple Strength NLP's 1. RoxLab also leads on update cadence (every 4 days vs every 2 weeks). Simple Strength NLP's advantage is iOS requirement (17.0 vs 26.0). 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. Simple Strength NLP sells 1 one-off in-app purchase. RoxLab asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Strength NLP ships an update every 2 weeks, RoxLab every 4 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 6 level
Simple Strength NLP versus RoxLab: the parameters behind the verdict, then further details
ParameterSimple Strength NLPRoxLab
PriceFreeFree
Rating5.0 (8 ratings) — better—
Number of ratings8 — better—
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS17.0 — better26.0
Further details — not scored
Size3 MB27 MB
Age rating4+4+
DeveloperJared MeyerSahastra Bhadana

In-app purchases

1 purchases

Simple Strength NLP

One-time1
  • Unlock Simple Strength$7.99
None

RoxLab

No in-app purchases

Questions

Is Simple Strength NLP free?
Simple Strength NLP is free to download, with in-app purchases available.
Is RoxLab free?
RoxLab is free to download, with no in-app purchases.
Do Simple Strength NLP or RoxLab have ads?
Neither Simple Strength NLP nor RoxLab shows ads.
Which is updated more often, Simple Strength NLP or RoxLab?
Simple Strength NLP ships an update every 2 weeks, and RoxLab every 4 days. Most recently, Simple Strength NLP was updated on November 5, 2026 and RoxLab on November 9, 2026.

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