# The Bouldering Guidebook vs Callus

The clearest difference is iOS requirement: The Bouldering Guidebook at 13.0 against Callus's 15.1. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. The Bouldering Guidebook sells 1 in-app purchase, starting at $39.00 per month and Callus sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | The Bouldering Guidebook | Callus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-bouldering-guidebook/id6746234357/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 50 MB | 72 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Bouldering Guidebook LLC](https://appshunter.io/developer/1815888196) | [Phong Davis Nguyen](https://appshunter.io/developer/1712387006) |

## What reviewers say

### The Bouldering Guidebook

[App page](https://appshunter.io/ios/app/the-bouldering-guidebook/id6746234357)

This app provides personalized bouldering training programs, structured strength and conditioning, and detailed progress tracking for intermediate to advanced climbers. It includes gym, hangboard, and climbing workouts, along with recovery protocols. Access requires a subscription after a free two-week trial.

**Highlights:** Personalized bouldering training program, Structured strength & conditioning, Gym, hangboard, and climbing workouts, Progress tracking & analytics, Recovery protocols, Future program updates

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $39.00 | per month |


### Callus

[App page](https://appshunter.io/ios/app/callus-climbing-log/id6776736020)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Callus Membership | $2.99 | per month |


## Frequently asked questions

### Is The Bouldering Guidebook free?

The Bouldering Guidebook is free to download, with in-app purchases available.

### Is Callus free?

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

### Do The Bouldering Guidebook or Callus have ads?

Neither The Bouldering Guidebook nor Callus shows ads.

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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.*