Best Nu alternatives: apps like Nu-Trai

7+ similar apps compared and reviewed

4.2 avg rating
7 free apps
Updated October 2026

Whether you want more options like Nu or a completely different take on the same concept, our curated list of 7+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to Nu

2.9(11 ratings)
Free
CU Boulder Rec screenshot 1
CU Boulder Rec screenshot 2
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CU Boulder Rec screenshot 4

This official app provides access to campus recreation services. Users can receive notifications, use a digital ID for entry, and find and register for various programs. It serves as a central hub for campus fitness and activity information.

Bar Is Loaded - Gym Calculator#3

Bar Is Loaded - Gym Calculator by Danny Li

It's leg day, not brain day.
Worth Considering
💪 Health & Fitness
4.9😊(512 ratings)
FreeIn-App Purchases
Bar Is Loaded - Gym Calculator screenshot 1
Bar Is Loaded - Gym Calculator screenshot 2
Bar Is Loaded - Gym Calculator screenshot 3
Bar Is Loaded - Gym Calculator screenshot 4
Bar Is Loaded - Gym Calculator screenshot 5
Bar Is Loaded - Gym Calculator screenshot 6

This app simplifies weightlifting calculations, instantly determining the correct plates to load onto a barbell. It offers custom settings for inventory and a reverse calculator, along with tools for meet preparation and performance scoring.

What We Love

  • 👍 Extremely user-friendly and intuitive interface
  • 🚀 Fast and accurate plate loading calculations
  • 💰 Completely free with no ads or subscriptions
  • 🧠 Eliminates mental math during workouts
  • 📊 Rich feature set including RPE, Wilks, and 1RM calculators
  • 🔄 Reverse calculation functionality for bar loading
  • 📱 Supports both kg and lb conversions seamlessly
  • 🎨 Clean and simple design
  • 👨‍💻 Responsive developer who takes feedback seriously
  • 📸 Ability to share loaded bar images on social media
  • ⚡ Lightweight and quick performance
  • 🏋️ Tailored specifically for powerlifters and weightlifters

Room to Improve

  • 🐛 Frequent crashes and infinite loading screens
  • 🐛 5kg calculation glitch in reverse section
  • 🐛 Inconsistent weight calculations with kg plates
  • ⚙️ Limited barbell weight customization options
  • ⚙️ Collar weight incorrectly set to 4kg instead of 5kg
  • ⚙️ Rounding errors with decimal plate weights
  • 📱 Compatibility issues with newer devices (iPhone 16 Pro)
  • ❌ No ladies bar weight option (35 lbs)
  • ❌ Missing 7.5kg plate option

More apps like Nu

4
TeamBuildr Training
TeamBuildr Training
TeamBuildr Training
by TeamBuildr, LLC
Free

This app provides structured strength and conditioning programs for coaches and athletes. It allows for program management, progress tracking, and in-app communication. Users can record workout data, view detailed sessions, and sync with wearable devices.

Structured strength and conditioning programsAthlete progress trackingIn-app chat and communication
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5
Arrow: Workout & Macro Tracker
Arrow: Workout & Macro Tracker
Arrow: Workout & Macro Tracker
Gym, Weight Lifting & Calories
Free

This app gamifies your fitness journey, transforming workouts into a fun, competitive experience with friends. Track progress with a detailed log, earn rewards, and connect with a global community for motivation and support.

Gamified workout experienceWeightlifting routine plannerProgress tracking and logging
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6
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
MacroFactor - Macro Tracker
Calorie Counter & Food Log
Free

This app uses a dynamic algorithm to adapt your calorie and macro targets based on your metabolism and progress. It offers tools for quick food logging, a verified database, and personalized coaching to help you achieve sustainable diet goals without stress or rigidity.

Dynamic metabolism adaptationPersonalized macro and calorie targetsVerified food database
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7
Lock In - Reset Your Life
Lock In - Reset Your Life
Lock In - Reset Your Life
#1 Ranked Self Growth App
Free

This app helps you build discipline and achieve your goals by tracking habits, earning experience points, and leveling up your overall rating. It offers tools for consistency, focus, and personal growth, including mindfulness exercises and an AI coach.

Create and track daily habitsBuild and complete personal goalsEarn XP and level up your OVR
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subscription