Comparison

UnderForge vs Fit Planner

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

Head to head
About

UnderForge

Features
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UnderForge is a personal fitness and longevity coach that builds a fully customized action plan around your body, your goals, and your life. Then guides you every step of the way and makes it easy to track progress. Whether you want to build muscle, burn body fat, increase strength, or simply get challenged by a world-class program, UnderForge forges a plan that is yours alone. CHOOSE YOUR GOAL Burn body fat Build muscle mass Increase strength Get challenged by your coach HOW IT WORKS When you join, your coach gets to know you. You'll answer a focused set of questions about your training experience, physique, schedule, nutrition, sleep, stress, and existing pain. Your coach then uses that full picture to generate a personalized hypothesis about your biggest obstacles and builds a prioritized, step-by-step action plan designed to break through them. You can review the plan and ask for revisions. This is your forge. HUMA OR AI COACH ALWAYS ON Choose between an AI-only plan and a human + AI plan. AI-only is fully complete and you have all the tools you need to achieve your goals. Human + AI plans adds a boost to accountability and even more personal touch. You decide. Ask about any step in your plan, request a technique breakdown, nutrition targets. Your coach remembers your full profile and adapts every response to your situation. Weekly check-ins keep your plan current. Progress is tracked right inside the app โ€” no need for spreadsheets or additional trackers. CONSISTENCY SCORE AS PRIORITY Most important is that you achieve consistency, therefore we created a unique score to help you stay consistent. The score is higher as you log workouts and meals. This score will also incorporate sleep and breathwork routines and adherence. TRAINING, NUTRITION AND RECOVERY SIMPLIFIED Training โ€” Personalized programming around your schedule, progressive overload, and warm-up protocols. Tailored to gym, home, or park training and available equipment. Nutrition โ€” Macro and calorie targets and guidelines based on your goals and body composition and preferences. Supports all dietary styles vegan, keto, halal, gluten-free, etc. Recovery โ€” Sleep and stress protocols, supplement guidance, and mobility recommendations that keep you performing. Logging โ€” Log workouts easily and meals with photos or text. BUILT FOR REAL PEOPLE From complete beginners to athletes with 10+ years of training, nutrition and longevity expertise, UnderForge adapts to your experience level, your available equipment, your dietary restrictions, and even the areas of your body you want to prioritize. Your plan is not a generic template. It is engineered for you. MUSCLE. LONGEVITY. FORGED. Privacy Policy: https://www.underforge.app/privacy-policy.php Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

Fit Planner

Features
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Fit Planner - Workout Log is your complete fitness companion for planning, tracking, and improving every workout. Browse a rich exercise library, log sets and reps in real time, and watch your progress unfold through detailed charts and streaks. Whether you are a beginner building your first routine or an experienced lifter pushing new PRs, this app keeps your training organized, motivated, and on track. Welcome to Fit Planner - Workout Log, the all-in-one workout planner and gym tracker designed for real results. Built for simplicity and power, it turns your phone into a personal training notebook โ€” complete with scheduling, progress dashboards, video references, and data export. No complicated setup, no distractions โ€” just the tools you need to train smarter every day. โ€” KEY FEATURES โ€” โ€ข Exercise Library: Browse a comprehensive library of exercises organized by muscle group, equipment, and difficulty. Find the perfect movement for every body part and discover new exercises to keep your training fresh. โ€ข Today's Workouts: See your scheduled workouts at a glance. Know exactly what to train today with a clean, focused view that gets you from phone to gym floor in seconds. โ€ข Active Workout Tracking: Log sets, reps, and weight in real time as you train. Built-in rest timers, easy set completion, and quick-edit controls keep you moving without slowing down your session. โ€ข Progress Dashboard: Visualize your strength gains, volume trends, and workout frequency with beautiful interactive charts. Track personal records and see how far you have come over weeks, months, and beyond. โ€ข Smart Schedule: Plan your training week with a flexible calendar. Drag, reorder, and repeat workouts so your program runs on autopilot while you focus on lifting. โ€ข Workout Editor: Build and customize workouts tailored to your goals. Add exercises, set target reps and weights, reorder movements, and save templates you can reuse anytime. โ€ข Video Import: Import exercise reference videos from your camera roll for perfect form checks. Attach clips directly to exercises so technique cues are always one tap away. โ€ข Export & Share: Export your workout history, progress data, and custom routines. Share with your coach, training partner, or keep a personal backup of everything. โ€ข Collections: Organize your favorite workouts and routines into custom collections. Group by goal, body part, or training phase for instant access when you need it. โ€ข Workout Streaks: Build consistency and stay motivated with daily workout streaks. Watch your streak grow and never break the chain of showing up. โ€” WHY USE FIT PLANNER - WORKOUT LOG? โ€” Staying consistent in the gym should be simple, not stressful. Many lifters waste time scribbling in notebooks or switching between apps to plan, track, and review workouts. Fit Planner - Workout Log brings everything together โ€” plan your week, log your lifts, and track your gains in one clean, focused app. Whether you train at home, in a commercial gym, or on the road, this workout tracker captures every rep and turns raw data into clear insights. Set your schedule, follow your program, and let the app handle the rest. Stay accountable, motivated, and progressing โ€” session after session. โ€” LEGAL โ€” Terms of Use: https://leanstudio.asia/terms-of-use Privacy Policy: https://leanstudio.asia/privacy-policy โ€” SUPPORT โ€” Have questions, feedback, or feature requests? Contact us at: support@leanstudio.asia. We value your suggestions to make Fit Planner - Workout Log even better. โ€” GET STARTED โ€” Fit Planner - Workout Log combines a rich exercise library, real-time tracking, smart scheduling, and progress analytics in one powerful app. No more scattered notes or guesswork โ€” just plan, train, and grow. Download Fit Planner - Workout Log today and take control of your fitness journey.

Screenshots

UnderForge4 screens
Fit Planner4 screens

Verdict

The call

The clearest difference is in-app purchases: UnderForge at none against Fit Planner's 3. UnderForge also leads on ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Fit Planner sells 3 in-app purchases, starting at $9.99 per 7 days. UnderForge asks for nothing beyond the download.

UpkeepUpdate frequency

UnderForge ships an update every 9 days, Fit Planner every 2 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

Scorecard4 real differences ยท 2 level
UnderForge versus Fit Planner: the parameters behind the verdict, then further details
ParameterUnderForgeFit Planner
PriceFreeFree
Update frequencyEvery 9 days โ€” betterEvery 2 months
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.1 โ€” better16.0
Further details โ€” not scored
Size126 MB30 MB
Age rating17+4+
DeveloperVenture CO Group Korlatolt Felelossegu TarsasagLEAN ASIA CO., LTD

In-app purchases

None

UnderForge

No in-app purchases

3 purchases

Fit Planner

Subscriptions2
  • Premium Weekly Plan$9.997 Days
  • Premium Yearly3 Days trial$49.991 Year
One-time1
  • Lifetime$89.99

Questions

Is UnderForge free?
UnderForge is free to download, with no in-app purchases.
Is Fit Planner free?
Fit Planner is free to download, with in-app purchases available.
Do UnderForge or Fit Planner have ads?
Fit Planner shows ads; UnderForge does not.
Which is updated more often, UnderForge or Fit Planner?
UnderForge ships an update every 9 days, and Fit Planner every 2 months. Most recently, UnderForge was updated on October 13, 2026 and Fit Planner on October 7, 2026.

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