# BoulderBook vs Running Stars

The clearest difference is review sentiment: BoulderBook at 81% against Running Stars's 33%. BoulderBook also leads on ads (none vs shown) and update cadence (every 2 days vs weekly). Running Stars's advantage is in-app purchases (none vs 5). On price, device support and iOS requirement there is nothing between them.

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

BoulderBook ships an update every 2 days, Running Stars weekly. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | BoulderBook | Running Stars |
| --- | --- | --- |
| 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** | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 17 MB | 92 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Florian Zindel](https://appshunter.io/developer/1233983485) | [Running Stars Healthy Living Ltd](https://appshunter.io/developer/1536851082) |

## 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 |


### Running Stars

[App page](https://appshunter.io/ios/app/running-stars/id1536851080)

This app facilitates the management of running events, allowing organizers to manage participants and provide instant results. It features a Tap & Go system for efficient course management and immediate finish times.

**Highlights:** Tap & Go participant tracking, Instant runner results, Event course management, Location-specific events (Sydney, Australia), All-in-one event solution

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BoulderBook free?

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

### Is Running Stars free?

Running Stars is free to download, with no in-app purchases.

### Do BoulderBook or Running Stars have ads?

Running Stars shows ads; BoulderBook does not.

### Which is updated more often, BoulderBook or Running Stars?

BoulderBook ships an update every 2 days, and Running Stars weekly. Most recently, BoulderBook was updated on September 14, 2026 and Running Stars on September 10, 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.*