# OpenBook vs Slate Workout Tracker Gym Log

The clearest difference is ads: Slate Workout Tracker Gym Log at none against OpenBook's shown. OpenBook's advantage is iOS requirement (15.5 vs 18.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. OpenBook sells 2 in-app purchases, starting at $3.99 per month and Slate Workout Tracker Gym Log sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

OpenBook ships an update every 2 weeks, Slate Workout Tracker Gym Log every 10 days. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | OpenBook | Slate Workout Tracker Gym Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (14 ratings)](https://appshunter.io/ios/app/slate-workout-tracker-gym-log/id6758871836/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 55 MB | 114 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OpenArcX Pty Ltd](https://appshunter.io/developer/1870700465) | [Patrick Imhof](https://appshunter.io/developer/1875451975) |

## What reviewers say

### OpenBook

[App page](https://appshunter.io/ios/app/openbook-workout-tracker/id6758069172)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OpenBook Full Access - Monthly | $3.99 | per month |
| OpenBook Full Access - Yearly | $29.99 | per year |


### Slate Workout Tracker Gym Log

[App page](https://appshunter.io/ios/app/slate-workout-tracker-gym-log/id6758871836)

This app helps lifters track workouts with speed and precision. It features AI-generated plans, real-time muscle recovery insights, and hands-free logging. Visualize your training week and understand your strength relative to others.

**Highlights:** Real-time muscle recovery tracking, AI-generated workouts based on exercise science, Hands-free voice workout building, Fastest set logging with swipe gestures, Comprehensive tracking of various metrics, DOTS strength standards comparison, Exercise photo attachments

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slate Pro: Analytics, AI & Recovery | $4.99 | per month |
| Pro + Coach Monthly | $14.99 | per month |
| Slate Pro: Analytics, AI & Recovery | $29.99 | per year |
| Pro + Coach Yearly | $99.99 | per year |
| Slate Pro: Analytics, AI & Recovery | $49.99 | one-time |
| Core - Lifetime | $74.99 | one-time |


## Frequently asked questions

### Is OpenBook free?

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

### Is Slate Workout Tracker Gym Log free?

Slate Workout Tracker Gym Log is free to download, with in-app purchases available.

### Do OpenBook or Slate Workout Tracker Gym Log have ads?

OpenBook shows ads; Slate Workout Tracker Gym Log does not.

### Which is updated more often, OpenBook or Slate Workout Tracker Gym Log?

OpenBook ships an update every 2 weeks, and Slate Workout Tracker Gym Log every 10 days. Most recently, OpenBook was updated on October 14, 2026 and Slate Workout Tracker Gym Log on October 28, 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.*