# WeightsBook vs AI Strength Tracker

The clearest difference is price: AI Strength Tracker at Free against WeightsBook's $9.99. AI Strength Tracker also leads on update cadence (every 3 days vs every 2 weeks). WeightsBook's advantage is rating (3.0 vs 1.0) and in-app purchases (none vs 3). On ratings volume, ads, device support and iOS requirement there is nothing between them.

AI Strength Tracker is free to download; WeightsBook costs $9.99 up front. AI Strength Tracker sells 3 in-app purchases, starting at $1.99 per 7 days. WeightsBook asks for nothing beyond the download.

WeightsBook holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

WeightsBook ships an update every 2 weeks, AI Strength Tracker every 3 days. The most recent releases landed on September 5, 2026 and August 2, 2026 respectively.

## The numbers

| Metric | WeightsBook | AI Strength Tracker |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/weightsbook/id1542573286/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/ai-strength-tracker-datfit/id6761916471/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Paid | **Freemium** |
| Size | 7 MB | 71 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mike Hurwitz](https://appshunter.io/developer/1542573296) | [MIGUEL EDUARDO DIAZ UTRERA](https://appshunter.io/developer/1892056498) |

## What reviewers say

### WeightsBook

[App page](https://appshunter.io/ios/app/weightsbook/id1542573286)

This app offers a digital alternative to traditional paper weightlifting journals. It tracks advanced training metrics and provides tools for both beginners and experienced lifters, including client management for trainers.

**Highlights:** Digital weightlifting journal, Advanced exercise tracking (RIR, RPE, partial reps), Superset and drop set support, Multiple client diaries, Workout and rest timer, Workout calendar

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### AI Strength Tracker

[App page](https://appshunter.io/ios/app/ai-strength-tracker-datfit/id6761916471)

This app creates personalized workout plans that adapt to your progress and goals. It uses AI to analyze your performance and adjust your training over time, helping you overcome plateaus and achieve results.

**Highlights:** Adaptive training planner, On-device AI analysis, Performance tracking, Readiness assessment, Goal-based adjustments, Plateau identification

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $1.99 | per 7 days |
| Pro Monthly | $5.99 | per month |
| Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is WeightsBook free?

WeightsBook costs $9.99, with no in-app purchases.

### Is AI Strength Tracker free?

AI Strength Tracker is free to download, with in-app purchases available.

### Which has better reviews, WeightsBook or AI Strength Tracker?

WeightsBook is rated higher. WeightsBook averages 3.0 out of 5 from 1 ratings, while AI Strength Tracker averages 1.0 from 1 ratings.

### Do WeightsBook or AI Strength Tracker have ads?

Neither WeightsBook nor AI Strength Tracker shows ads.

### Which is updated more often, WeightsBook or AI Strength Tracker?

WeightsBook ships an update every 2 weeks, and AI Strength Tracker every 3 days. Most recently, WeightsBook was updated on September 5, 2026 and AI Strength Tracker on August 2, 2026.

---

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