Comparison

Boostcamp vs The SIX

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

Head to head
About

Boostcamp

This app offers a vast library of structured strength training and muscle-building programs, including popular routines like nSuns and Reddit PPL. It provides tools for tracking workouts, monitoring progress, and even building custom plans. The app is designed to eliminate guesswork and provide proven methods for achieving fitness goals.

Highlights
  • 130+ expert-designed programs
  • 10,000+ community-shared routines
  • Full workout logging with RPE/1RM
  • Auto-progression for weights
  • Muscle volume tracking
  • Custom program builder
Features
Read full description

Trusted by over 1,300,000 lifters. 300M+ workouts logged. 4.8 stars. Boostcamp is a free workout tracker and gym logger with 11,000+ programs and an AI coach that builds a custom plan from your goal, schedule, and equipment. Log every set. Run nSuns, GZCLP, 5/3/1, Reddit PPL, PHUL, PHAT, or 130+ coach programs. No spreadsheet. Garage Gym Reviews named Boostcamp the Best Workout App Overall in 2026. "I primarily train for strength and hypertrophy, and Boostcamp is the best app I’ve ever used. I love all the data it provides, and there are so many great programs to choose from within the workout library." – Matt Dustin, CSCS, PN1-NC, Garage Gym Reviews Featured in Fortune’s 2026 trainer-approved Boostcamp review. "Boostcamp has all the features of Strong and Hevy, but what puts Boostcamp decidedly #1 is that it features a library of programs from some of the most recognizable figures in fitness." – Alex Bromley, Professional Strongman "Boostcamp puts all of Reddit's best free workouts in one slick app...give Boostcamp a try." – Lifehacker WHAT YOU GET • Workout Tracker – Log sets, reps, and weight with RPE, RIR, and e1RM. Auto-progression sets your next weights. Rest timer, plate calculator, supersets, drop sets, warmup templates, form videos, and mid-set exercise swaps that keep your numbers. PRs flag in-session. Weekly Sunday reports and year-end Wrapped. Offline. Live Activities put your set and rest timer on the Lock Screen and Dynamic Island. Syncs bodyweight with Apple Health. • AI Coach – Short questionnaire, then a customized multi-week program you log in the same tracker. Or pick a named coach program and start today. Fork any program, or build your own with no cap. • 11,000+ Programs – 130+ coach-designed plans with progressions, periodization, and deloads, plus a huge community library. Filter by goal, level, and days per week. The library is free. No ads. • Analytics – Volume, muscle-group engagement, PRs, and training history. Pro adds Strength Score (0–100 across the big lifts) and a per-muscle volume heatmap. POPULAR PROGRAMS nSuns 5/3/1, GZCLP, 5/3/1 BBB, 5/3/1 for Beginners, Building the Monolith, Candito 6 Week, TSA, Bullmastiff, Greyskull LP, PHUL, PHAT, Reddit PPL, KONG, MASS IMPACT, Jacked and Tan 2.0, Strong Curves, Alberto Nuñez Upper Lower, Eric Helms Intermediate Bodybuilding, Greg Nuckols Beginner, Reddit Bodyweight Fitness RR, and thousands more. COACHES Dr. Eric Helms, Alex Bromley, Cody Lefever (GZCL), Geoffrey Verity Schofield, Alberto Nuñez, Bryce Lewis, Greg Nuckols, Jonnie Candito, Bald Omni-Man, Natural Hypertrophy, Basement Bodybuilding, Brandon Campbell (PHUL), Dr. Swole, Matt Vena, Menno Henselmans, Justina Ercole, Tiffany Ma, Rebecca Rouse, and 50+ more. Competitive athletes and researchers, not random influencers. WHO IT'S FOR Beginners who want a plan and a gym logger. Intermediate lifters done with spreadsheets. Anyone who wants an AI coach plus a real tracker. Men and women. Full gym, garage gym, or dumbbells at home. 2–6 days per week. ABOUT Boostcamp started by putting Reddit’s best programs into a workout tracker that works. 1.3M+ lifters now log training, follow 11,000+ programs, and build custom plans with an AI coach. Free to start. No ads. Questions? support@boostcamp.app

About

The SIX

Features
Read full description

The SIX is the new way to rate your fitness. Built in collaboration with Gymshark, The SIX gives you a single performance rating across key pillars of fitness so you can finally show how good you really are in the gym. No guessing. No ego. No noise. Just your data, your effort, your proof. What you can do inside The SIX: * Complete structured fitness tests that cover strength, power, speed, capacity, endurance, and conditioning * Get your personal SIX rating based on your results * Track your progress over time as your rating increases * Create head to head comparisons with friends to see who wins, loses, or ties across each of The SIX * Record in-app video of your attempts so others can watch your lifts and efforts * Learn correct technique from Gymshark Lifting Club coaches with built-in movement guides and videos * Share achievement stickers and rating cards straight to Instagram and other social channels for social proof * Build social currency around your effort, not just your appearance * Compete on leaderboards and see where you stand The SIX creates a democratised rating for fitness. It gives every lifter and gym goer one clear number that reflects real performance, not opinion. Your training already matters. Now it counts. What is your SIX?

Screenshots

Boostcamp4 screens
The SIX4 screens

Verdict

The call

The clearest difference is in-app purchases: The SIX at none against Boostcamp's 10. The SIX also leads on ads (none vs shown). Boostcamp's advantage is chart position (#170 vs unranked). On price, update cadence, device support and iOS requirement 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. Boostcamp sells 9 in-app purchases, starting at $11.99 per month. The SIX asks for nothing beyond the download.

UpkeepUpdate frequency

Boostcamp ships an update fortnightly, The SIX weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 8 level
Boostcamp versus The SIX: the parameters behind the verdict, then further details
ParameterBoostcampThe SIX
PriceFreeFree
Rating4.9 (11K ratings) — better—
Positive reviews60.2% of reviews—
Number of ratings11K — better—
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#170 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size294 MB99 MB
Age rating4+17+
DeveloperBPM Health Co.Archon Combine Limited

Bugs and requests

Boostcamp

Reported bugs

4 issues
  • Workouts not saving properly
  • Inability to reorder exercises
  • Crashing and loading issues
  • Inconsistent exercise tracking

Requested features

5 requests
  • Offline mode for workouts
  • Apple Watch integration
  • More customization options
  • Improved exercise video demonstrations
  • Ability to create and share custom programs

The SIX

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Boostcamp

Subscriptions9
  • Boostcamp Pro14 Days trial$11.991 Month
  • Boostcamp Pro7 Days trial2 variants$14.991 Month
  • Boostcamp Pro14 Days trial$14.991 Month
Show 6 more
  • Boostcamp Pro$14.991 Month
  • Limited-Time Offer14 Days trial$48.991 Year
  • Boostcamp Pro7 Days trial$59.991 Year
  • Boostcamp Pro14 Days trial$59.991 Year
  • Boostcamp Pro14 Days trial$69.991 Year
  • Boostcamp Pro7 Days trial$79.991 Year
None

The SIX

No in-app purchases

Questions

Is Boostcamp free?
Boostcamp is free to download, with in-app purchases available.
Is The SIX free?
The SIX is free to download, with no in-app purchases.
Do Boostcamp or The SIX have ads?
Boostcamp shows ads; The SIX does not.
Which is updated more often, Boostcamp or The SIX?
Boostcamp ships an update fortnightly, and The SIX weekly. Most recently, Boostcamp was updated on November 6, 2026 and The SIX on November 5, 2026.

Other comparisons