Comparison

NextRep vs JustBB Strength Training Log

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

Head to head
About

NextRep

This AI-powered fitness planner creates personalized workout routines based on your experience, equipment, and goals. It tracks your progress, manages recovery, and offers a large exercise library with video guides.

Highlights
  • AI-generated custom workout routines
  • Progressive overload tracking
  • Injury management safeguards
  • Detailed gym logging (sets, reps, weight, RPE)
  • Rest timer and history analysis
  • 1,700+ exercises with video instructions
  • Home and gym workout compatibility
Features
Read full description

Build muscle, gain strength, and stay consistent with NextRep, the AI workout planner that adapts to you. Combine smart planning with a detailed gym tracker so you never have to guess what to do next. Whether you’re into bodybuilding, powerlifting, or just want to get fit, NextRep helps you hit your goals using the equipment you actually have available. SMARTER TRAINING WITH AI (PRO) Stop following static PDFs or generic templates. Let the AI personal trainer generate the perfect plan for you. ◆ Custom Workout Routines: Get a plan built for your experience, schedule, and specific equipment (Home or Gym). ◆ Progressive Overload: The AI ensures you increase weight and intensity at the right time to maximize hypertrophy and strength gains. ◆ Injury Management: Built-in safeguards that consider recovery and work around injured body parts automatically. TRACK LIKE A PRO Turn every session into data you can use. NextRep is the ultimate weightlifting logger. ◆ Simple Logging: Track sets, reps, weight, and RPE with ease. ◆ Rest Timer: Auto-start rest timers between sets to keep your intensity high. ◆ History & Trends: View your 1RM (One Rep Max) trends, volume, and personal records over time. ◆ Strength Score: Visualize your progress with a breakdown per muscle group. RECOVERY & EXERCISES ◆ 1,700+ Exercises: Huge library with video instructions and demos (Squat, Bench Press, Deadlift, and more). ◆ Recovery Insights: See which muscles are fresh and which need rest before your next gym session. BUILT FOR REAL LIFE ◆ Home & Gym: Seamlessly switch between bodyweight workouts and full gym setups. Subscription & Free Trial: NextRep is free to download and includes a 7-day free trial with full access to all features. After the trial period ends, an active subscription is required to continue using the app. Your subscription grants you access to: • AI Workout Generation • Training Logs & History • Muscle Recovery Analysis • Strength Progression Tracking Subscription Information: ◆ Life Time access ◆ Subscriptions are available as a monthly or yearly plan. ◆ Payment will be charged to your Apple Account at confirmation of purchase (or after your free trial ends). ◆ Your subscription will automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. ◆ You can manage your subscriptions and turn off auto-renewal by going to your Account Settings on the App Store after purchase. Any unused portion of a free trial period will be forfeited when you purchase a subscription. Privacy Focused: Your data belongs to you. Download NextRep today—the smarter way to plan, track, and grow. Privacy Policy: https://nextrep-ai.app/en/legal/privacy/ Terms of Use: https://nextrep-ai.app/en/legal/terms/

About

JustBB Strength Training Log

Read full description

JustBB is the cleanest, most powerful log for lifters who actually train hard. Completely free. No subscriptions. No account. No ads. Your data stays on your iPhone. — Core features — • Build exercises, supersets, and custom per-set targets your way • Categories and equipment for every exercise • Automatic dropset detection • Auto-fills weights and reps from your previous sessions • Per-set rating (easy / moderate / hard / failure) • Session tonnage and per-exercise personal records • Rest timer (runs on the lock screen) • Nested folders for a large training library • Drag & drop, search, dark mode, fully offline • Kilograms and pounds • Full session history and per-exercise history — Data and privacy — • Stored locally on your device • Backups to iCloud Drive • One-tap restore

Screenshots

NextRep4 screens
JustBB Strength Training Log4 screens

Verdict

The call

The clearest difference is in-app purchases: JustBB Strength Training Log at none against NextRep's 3. JustBB Strength Training Log also leads on ads (none vs shown). NextRep's advantage is iOS requirement (15.5 vs 17.0). On price, update cadence 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. NextRep sells 3 in-app purchases, starting at $7.99 per month. JustBB Strength Training Log asks for nothing beyond the download.

UpkeepUpdate frequency

NextRep ships an update every 2 weeks, JustBB Strength Training Log weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
NextRep versus JustBB Strength Training Log: the parameters behind the verdict, then further details
ParameterNextRepJustBB Strength Training Log
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 weeksWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.5 — better17.0
Further details — not scored
Size111 MB13 MB
Age rating4+4+
DeveloperAppStack XAndrew Olefira

In-app purchases

3 purchases

NextRep

Subscriptions2
  • NextRep Monthly7 Days trial$7.991 Month
  • NextRep Annual7 Days trial$39.991 Year
One-time1
  • English US$9.99
None

JustBB Strength Training Log

No in-app purchases

Questions

Is NextRep free?
NextRep is free to download, with in-app purchases available.
Is JustBB Strength Training Log free?
JustBB Strength Training Log is free to download, with no in-app purchases.
Do NextRep or JustBB Strength Training Log have ads?
NextRep shows ads; JustBB Strength Training Log does not.
Which is updated more often, NextRep or JustBB Strength Training Log?
NextRep ships an update every 2 weeks, and JustBB Strength Training Log weekly. Most recently, NextRep was updated on November 5, 2026 and JustBB Strength Training Log on October 31, 2026.

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