Best Caliber Fitness Apps

250+ iOS apps curated and reviewed

3.6 avg rating
20 free apps
Updated September 2026

Looking for free caliber fitness apps? 20 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Caliber Fitness Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Caliber: Strength TrainingCaliber: Strength TrainingFree4.8★ (5.9K)NoYesSep 2026
240 Caliber Fitness40 Caliber FitnessFree—NoNoMay 2026
3Grit FitnessGrit FitnessFree—NoNoJul 2026
4K.I.S.S. FitnessK.I.S.S. FitnessFree4.4★ (13)NoYesMay 2026
5Breach FitnessBreach FitnessFree—YesNoMay 2026
6R3 FitnessR3 FitnessFree——NoMay 2026
7MPR fitnessMPR fitnessFree——NoMay 2026
8SLS FitnessSLS FitnessFree—NoNoJun 2026

Top Picks for Caliber Fitness

Caliber: Strength Training#1
4.8😊(5.9K ratings)
FreeIn-App Purchases
Caliber: Strength Training screenshot 1
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Caliber: Strength Training screenshot 6

This app offers science-based strength training, including workout planning, tracking, and exercise tutorials. It supports individual training, group workouts, and offers optional upgrades for personalized plans, advanced features, and one-on-one coaching.

What We Love

  • 👍 Easy to use
  • 🚀 Comprehensive workout tracking
  • 💡 Customizable workouts
  • 🔍 Detailed exercise instructions and videos
  • 📊 Strength score and progress tracking
  • 🤝 Responsive and helpful coaches
  • 🧠 Educational content and lessons

Room to Improve

  • 🐛 Occasional app crashes and bugs
  • 🔍 Limited offline functionality
  • 💰 Subscription model can be confusing
  • 🔍 Inconsistent video quality and exercise explanations
  • 🕰️ Frustrating user interface at times

More Caliber Fitness apps to explore

FAQ about Caliber Fitness

What are the best caliber fitness apps for iPhone?
Caliber: Strength Training tops our caliber fitness apps ranking as of September 2026, with a 4.8-star average from 5.9K App Store ratings, and it's free to download.
Yes — 20 of the top caliber fitness apps we rank are free to download, including Caliber: Strength Training and 40 Caliber Fitness.
Caliber: Strength Training has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ caliber fitness apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Caliber is a science-based strength training app designed to help users build muscle, lose fat, and improve overall fitness. It offers features for creating and tracking workouts, accessing exercise tutorials, and provides options for personalized plans and coaching.
The app offers a free version with core features. Optional upgrades include Caliber Plus for advanced features and coach-designed plans, and Premium Coaching for one-on-one guidance from an elite trainer. Pricing for these upgrades is not specified in the description.

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