# BoulderBook vs Bloc Session

The clearest difference is in-app purchases: Bloc Session at none against BoulderBook's 5. BoulderBook's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. BoulderBook sells 5 one-off in-app purchases. Bloc Session asks for nothing beyond the download.

BoulderBook ships an update every 2 days, Bloc Session every 2 months. The most recent releases landed on September 14, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | BoulderBook | Bloc Session |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/boulderbook/id1455231620/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 102 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Florian Zindel](https://appshunter.io/developer/1233983485) | [SLJ Conseil](https://appshunter.io/developer/1533875486) |

## What reviewers say

### BoulderBook

[App page](https://appshunter.io/ios/app/boulderbook/id1455231620)

Log, share, and rate boulder problems on your training wall. Never forget a climb's details on your spraywall again, whether at home, a club, or a commercial gym.

**Highlights:** Save boulder problems, Share climb definitions, Rate boulder problems, Use on homewalls, Use in climbing clubs, Use in commercial gyms

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BoulderBook Unterstützer | $1.00 | one-time |
| BoulderBook Supporter | $3.99 | one-time |
| BoulderBook Unterstützer | $4.00 | one-time |
| BoulderBook Unterstützer | $9.00 | one-time |
| BoulderBook Unterstützer | $18.00 | one-time |


### Bloc Session

[App page](https://appshunter.io/ios/app/bloc-session/id1544938297)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is BoulderBook free?

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

### Is Bloc Session free?

Bloc Session is free to download, with no in-app purchases.

### Do BoulderBook or Bloc Session have ads?

Neither BoulderBook nor Bloc Session shows ads.

### Which is updated more often, BoulderBook or Bloc Session?

BoulderBook ships an update every 2 days, and Bloc Session every 2 months. Most recently, BoulderBook was updated on September 14, 2026 and Bloc Session on September 9, 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.*