# StrengthLog vs Caliber

The clearest difference is update cadence: StrengthLog at weekly against Caliber's fortnightly. StrengthLog also leads on review sentiment (88% vs 78%) and device support (4 vs 2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. StrengthLog sells 3 in-app purchases, starting at $16.90 per month and Caliber sells 18 in-app purchases, starting at $3.00 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for StrengthLog against 4.8 for Caliber. Both are backed by a comparable volume of ratings — 3.7K and 5.9K respectively. Written reviews are what separate them: 88% of StrengthLog's written reviews are positive against 78% of Caliber's.

StrengthLog ships an update weekly, Caliber fortnightly. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | StrengthLog | Caliber |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.7K ratings)](https://appshunter.io/ios/app/strengthlog-workout-tracker/id1434229662/reviews)** | [4.8 (5.9K ratings)](https://appshunter.io/ios/app/caliber-strength-training/id1482405410/reviews) |
| Number of ratings | 3.7K | **5.9K** |
| Positive reviews | **88.3% of reviews** | 78.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 158 MB | 67 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Styrkelabbet AB](https://appshunter.io/developer/1434229661) | [Caliber Fitness, Inc](https://appshunter.io/developer/1482405409) |

## What reviewers say

### StrengthLog

[App page](https://appshunter.io/ios/app/strengthlog-workout-tracker/id1434229662)

Track your workouts, analyze progress, and discover proven strength training programs. Log unlimited workouts, access a vast exercise library, and set goals. Upgrade for advanced statistics and premium programs.

**Highlights:** Unlimited workout logging, Extensive exercise library with video instructions, Proven strength training programs, Progress analysis and statistics, Goal setting and streak tracking, Plate calculator and rest timer, Apple Health integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StrengthLog Premium - 1 month | $16.90 | per month |
| StrengthLog Premium - 3 months | $37.90 | per 3 months |
| StrengthLog Premium - 1 year | $109.00 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Intuitive interface
- 💪 Comprehensive workout tracking
- 📊 Detailed progress analytics
- 🎥 Helpful exercise videos

**What reviewers complain about**

- 🔍 Cluttered main page
- 🐛 Occasional bugs and crashes
- 💰 Premium subscription is expensive
- ⌚ Apple Watch app issues

**Reported bugs**

- Disappearing workout data
- Inability to clear/reset workout history
- Inconsistent behavior when planning workouts for the same day

**Requested features**

- Ability to save and edit custom workout plans
- Seamless integration with Apple Health
- Community features like challenges and leaderboards
- More personalized workout recommendations


### Caliber

[App page](https://appshunter.io/ios/app/caliber-strength-training/id1482405410)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caliber Supporter (Monthly) | $3.00 | per month |
| Caliber Supporter (Monthly) | $5.00 | per month |
| Caliber Plus (Monthly) | $6.00 | per month |
| Caliber Plus (Monthly) | $6.00 | per month |
| Caliber Supporter (Monthly) | $7.00 | per month |
| Caliber Supporter (Monthly) | $9.00 | per month |
| Caliber Plus (Monthly) | $9.00 | per month |
| Caliber Plus (Monthly) | $12.00 | per month |
| Caliber Pro (Monthly) | $19.00 | per month |
| Caliber Pro (Monthly) | $19.00 | per month |
| Caliber Plus (Yearly) | $36.00 | per year |
| Caliber Pro (3 Months) | $49.00 | per 3 months |
| Caliber Pro (3 Months) | $49.00 | per 3 months |
| Caliber Plus (Yearly) | $54.00 | per year |
| Caliber Plus (Yearly) | $72.00 | per year |
| Caliber Plus (Yearly) | $72.00 | per year |
| Caliber Pro (Yearly) | $169.00 | per year |
| Caliber Pro (Yearly) | $169.00 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Comprehensive workout tracking
- 💡 Customizable workouts
- 🔍 Detailed exercise instructions and videos
- 📊 Strength score and progress tracking

**What reviewers complain about**

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

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is StrengthLog free?

StrengthLog is free to download, with in-app purchases available.

### Is Caliber free?

Caliber is free to download, with in-app purchases available.

### Which has better reviews, StrengthLog or Caliber?

StrengthLog is rated higher. StrengthLog averages 4.9 out of 5 from 3.7K ratings, while Caliber averages 4.8 from 5.9K ratings.

### Do StrengthLog or Caliber have ads?

Neither StrengthLog nor Caliber shows ads.

### Which is updated more often, StrengthLog or Caliber?

StrengthLog ships an update weekly, and Caliber fortnightly. Most recently, StrengthLog was updated on October 16, 2026 and Caliber on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*