# Chronocurl Pro vs Boulder Block App

The clearest difference is price: Boulder Block App at Free against Chronocurl Pro's $21.99. Boulder Block App also leads on update cadence (every 3 months vs every 17 months). Chronocurl Pro's advantage is iOS requirement (11.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Boulder Block App is free to download; Chronocurl Pro costs $21.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chronocurl Pro ships an update every 17 months, Boulder Block App every 3 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Chronocurl Pro | Boulder Block App |
| --- | --- | --- |
| Price | $21.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/boulder-block-app/id6761733626/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 36 MB | 29 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Guy Simard](https://appshunter.io/developer/1124720226) | [Matthew Canoy](https://appshunter.io/developer/1705633335) |

## What reviewers say

### Chronocurl Pro

[App page](https://appshunter.io/ios/app/chronocurl-pro/id1154050351)

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

**In-app purchases:** none


### Boulder Block App

[App page](https://appshunter.io/ios/app/boulder-block-app/id6761733626)

This app is a companion for a physical climbing product, offering tutorials, digital versions of challenge decks, and tools to create and share your own climbing routes. Connect with a global community of climbers, track your progress, and discover new challenges.

**Highlights:** Climbing route tutorials, Digital challenge decks, Interactive route builder, Community route sharing, Progress tracking, Video send uploads

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

**In-app purchases:** none


## Frequently asked questions

### Is Chronocurl Pro free?

Chronocurl Pro costs $21.99, with no in-app purchases.

### Is Boulder Block App free?

Boulder Block App is free to download, with no in-app purchases.

### Do Chronocurl Pro or Boulder Block App have ads?

Neither Chronocurl Pro nor Boulder Block App shows ads.

### Which is updated more often, Chronocurl Pro or Boulder Block App?

Chronocurl Pro ships an update every 17 months, and Boulder Block App every 3 months. Most recently, Chronocurl Pro was updated on October 18, 2026 and Boulder Block App on October 17, 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.*