Comparison

Caliber vs SHRED

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

Head to head
About

Caliber

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.

Highlights
  • Unlimited workout creation and tracking
  • 600+ exercise tutorials with videos
  • Workout groups for training with friends
  • Coach-designed training plans
  • Personalized progress tracking
  • 1-on-1 elite coaching options
Features
Read full description

Caliber is a science-based strength training app that combines resistance training, cardio, nutrition, and habit formation to help you build muscle, lose weight, and improve your overall fitness - for good. TRAIN YOUR WAY • Free Version. Create and track unlimited workouts, access 800+ exercises, and train solo or with friends. • Caliber Plus. Maximize your results with coach-designed training plans, personalized progress tracking, nutrition targets and more. • Premium Coaching. Get 1-on-1 guidance from an elite-level personal trainer with a fully customized training and nutrition plan, in-app chat + video messaging with your coach and weekly progress reviews to keep you on track. CALIBER FEATURES (FREE VERSION) • Personalized Workouts. Create and track an unlimited number of workouts tailored to your goals. No gym required. • Detailed Exercise Tutorials. Learn proper form with step-by-step videos and pro tips from Caliber coaches. • Workout Circles. Train with friends and family in private workout chats. When you hit a personal best, it's shared with the group. • Apple Health Integration. Sync your cardio, nutrition, steps and body stats from your wearable or connected device. • Connect to AI. Sync your training data with ChatGPT and Claude for personalized insights and training analysis. UNLOCK MORE WITH CALIBER PLUS (OPTIONAL UPGRADE) • Coach-Designed Training Plans. Choose from 120+ structured plans tailored to your goals, experience level and schedule. • Strength Score. Measure how strong you are relative to your potential for your age and gender. • Strength Balance. Improve your posture and mobility by optimizing your training across key muscle groups. • Caliber Lessons. Gain expert insights on training and nutrition to accelerate your progress. • Advanced Training Features. Get personalized nutrition targets, create custom exercises and supersets, swap exercises, upload progress photos, and more. PREMIUM COACHING (OPTIONAL UPGRADE) • Work with an Elite-Level Coach. Train 1-on-1 with a dedicated coach to achieve your full potential in the gym and beyond. Caliber coaches are highly vetted, accredited personal trainers among the top 1% in their field. • Fully Personalized Plan. Your coach will design a training and nutrition program just for you based on your goals, experience and lifestyle. • Daily Motivation & Expert Guidance. Stay on track with in-app messaging, video form reviews, and individualized guidance. • Weekly Progress Reviews. Get in-depth analysis from your coach to optimize your training. • Fast Response Times. Your coach is available 24/7, typically replying within a few hours. • Guaranteed Results. On average, Caliber members improve their body composition by 20% or more within 12 weeks. If you don't see results, we'll refund the cost of the program. SEE WHAT OUR MEMBERS SAY • For detailed reviews from real Caliber members, visit our TrustPilot page at https://www.trustpilot.com/review/caliberstrong.com Terms of Use: https://caliberstrong.com/terms-of-service/ Privacy Policy: https://caliberstrong.com/privacy-policy/

About

SHRED

This app empowers fitness instructors to create professional-quality workout videos using just their iPhone. It simplifies the production process with AI tools and automated features, allowing creators to share their classes with a global audience.

Highlights
  • Studio-quality content creation
  • AI-based tooling
  • Automated timers and animations
  • Class customization
  • No expensive equipment needed
  • Access to global user base
Features
Read full description

Welcome to Shred’s Creator Studio — the most powerful tool for fitness creators on the planet. Creator Studio allows anyone to produce studio-quality fitness content right in their living room. With an easy step-by-step process, smart AI-based tooling, and fun class customizations, you’re just a few taps a way from letting the world experience your incredible workout classes. What you’ll love about Creator Studio: + No need for expensive camera equipment — simply grab an iPhone and you’re good to go! + Forget expensive post-production. Our system automates timers, animations, rest periods, and more! + Get access to Shred’s millions of users around the world to grow your following as more people take your classes Access to Creator Studio is currently invite-only. If you’re interested in joining, please go to www.shred.app/creator to apply. Privacy Policy: https://www.shred.app/privacy-creator Terms of Use: https://www.shred.app/terms-creator

Screenshots

Caliber4 screens
SHRED4 screens

Verdict

The call

The clearest difference is in-app purchases: SHRED at none against Caliber's 24. SHRED also leads on review sentiment (100% vs 78%) and iOS requirement (13.0 vs 15.1). Caliber's advantage is ratings volume (6.1K vs 6). On price, rating, update cadence and ads 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. Caliber sells 18 in-app purchases, starting at $3.00 per month. SHRED asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SHRED holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Caliber has 6.1K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 78% of Caliber's written reviews are positive against 100% of SHRED's.

UpkeepUpdate frequency

Caliber ships an update fortnightly, SHRED every 3 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Caliber versus SHRED: the parameters behind the verdict, then further details
ParameterCaliberSHRED
PriceFreeFree
Rating4.8 (6.1K ratings)5.0 (6 ratings) — better
Positive reviews78.0% of reviews100.0% of reviews — better
Number of ratings6.1K — better6
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.113.0 — better
Further details — not scored
Size67 MB46 MB
Age rating12+4+
DeveloperCaliber Fitness, IncShred Labs, LLC

Customer experience

Caliber

All ratings6,020 ratings
Positive96.6%
Neutral1.1%
Negative2.3%
Written reviews528 reviews
Positive78.0%
Neutral6.3%
Negative15.7%

SHRED

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Caliber

Reported bugs

3 issues
  • Workout data loss when switching between online and offline mode
  • Strength score not updating correctly in some cases
  • Inability to log weight for certain exercises

Requested features

5 requests
  • Add ability to create and save custom exercises
  • Integrate with more fitness tracking devices and apps
  • Improve offline mode to allow full workout tracking
  • Provide more flexibility in workout scheduling and planning
  • Enhance strength score calculations and explanations

SHRED

Not enough reviews yet to summarise bugs or requests.

In-app purchases

18 purchases

Caliber

Subscriptions18
  • Caliber Supporter (Monthly)$3.001 Month
  • Caliber Supporter (Monthly)$5.001 Month
  • Caliber Plus (Monthly)2 variants$6.001 Month
Show 15 more
  • Caliber Plus (Monthly)7 Days trial$6.001 Month
  • Caliber Supporter (Monthly)$7.001 Month
  • Caliber Supporter (Monthly)$9.001 Month
  • Caliber Plus (Monthly)2 variants$9.001 Month
  • Caliber Plus (Monthly)2 variants$12.001 Month
  • Caliber Pro (Monthly)$19.001 Month
  • Caliber Pro (Monthly)7 Days trial$19.001 Month
  • Caliber Plus (Yearly)7 Days trial$36.001 Year
  • Caliber Pro (3 Months)$49.003 Months
  • Caliber Pro (3 Months)7 Days trial$49.003 Months
  • Caliber Plus (Yearly)7 Days trial2 variants$54.001 Year
  • Caliber Plus (Yearly)7 Days trial2 variants$72.001 Year
  • Caliber Plus (Yearly)1 Month trial$72.001 Year
  • Caliber Pro (Yearly)$169.001 Year
  • Caliber Pro (Yearly)7 Days trial$169.001 Year
None

SHRED

No in-app purchases

Questions

Is Caliber free?
Caliber is free to download, with in-app purchases available.
Is SHRED free?
SHRED is free to download, with no in-app purchases.
Which has better reviews, Caliber or SHRED?
SHRED is rated higher. Caliber averages 4.8 out of 5 from 6.1K ratings, while SHRED averages 5.0 from 6 ratings.
Do Caliber or SHRED have ads?
Neither Caliber nor SHRED shows ads.
Which is updated more often, Caliber or SHRED?
Caliber ships an update fortnightly, and SHRED every 3 weeks. Most recently, Caliber was updated on October 25, 2026 and SHRED on October 7, 2026.

Other comparisons