Caliber vs TSF Coach
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Caliber
This app offers science-based strength training with features for muscle building, weight loss, and fitness improvement. It provides personalized workouts, exercise tutorials, and community features. Optional upgrades offer advanced plans, nutrition targets, and 1-on-1 coaching.
- Personalized workout creation and tracking
- Extensive exercise library with video tutorials
- Workout Circles for training with friends
- Apple Health integration
- AI-powered training insights
- Coach-designed training plans
- Strength Score and balance metrics
Read full descriptionHide 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/
TSF Coach
Read full descriptionHide full description
TSF Coach is the mobile app for fitness coaches and personal trainers. Manage members, workouts, nutrition, appointments, and challenges from your phone.
Screenshots
Verdict
The clearest difference is in-app purchases: TSF Coach at none against Caliber's 10. Caliber's advantage is update cadence (fortnightly vs every 2 months) and chart position (#188 vs unranked). On price, ads, device support and iOS requirement 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
Both are free to download. Caliber sells 8 in-app purchases, starting at $3.00 per month. TSF Coach asks for nothing beyond the download.
Caliber ships an update fortnightly, TSF Coach every 2 months. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.
| Parameter | Caliber | TSF Coach |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (6.1K ratings) — better | — |
| Positive reviews | 78.1% of reviews | — |
| Number of ratings | 6.1K — better | — |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #188 — better | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 60 MB | 55 MB |
| Age rating | 12+ | 12+ |
| Developer | Caliber Fitness, Inc | TTL Inc |
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
TSF Coach
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Caliber
- Caliber Supporter (Monthly)$3.001 Month
- Caliber Plus (Monthly)$6.001 Month
- Caliber Plus (Monthly)$9.001 Month
Show 5 moreShow fewer
- Caliber Plus (Monthly)2 variants$12.001 Month
- Caliber Plus (Yearly)7 Days trial$36.001 Year
- Caliber Plus (Yearly)7 Days trial$54.001 Year
- Caliber Plus (Yearly)7 Days trial2 variants$72.001 Year
- Caliber Plus (Yearly)1 Month trial$72.001 Year
TSF Coach
No in-app purchases









