# BoulderBook vs Simple WODTimer

The clearest difference is update cadence: BoulderBook at every 2 days against Simple WODTimer's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BoulderBook sells 5 one-off in-app purchases and Simple WODTimer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BoulderBook ships an update every 2 days, Simple WODTimer monthly. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | BoulderBook | Simple WODTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (9 ratings)](https://appshunter.io/ios/app/boulderbook/id1455231620/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 82.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 5 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Florian Zindel](https://appshunter.io/developer/1233983485) | [Michal Zbrozek](https://appshunter.io/developer/1853903561) |

## 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 |


### Simple WODTimer

[App page](https://appshunter.io/ios/app/simple-wodtimer/id6761610002)

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy Me a Coffee | $0.99 | one-time |
| Buy Me a Snack | $2.99 | one-time |
| Buy Me a Beer | $4.99 | one-time |


## Frequently asked questions

### Is BoulderBook free?

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

### Is Simple WODTimer free?

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

### Do BoulderBook or Simple WODTimer have ads?

Neither BoulderBook nor Simple WODTimer shows ads.

### Which is updated more often, BoulderBook or Simple WODTimer?

BoulderBook ships an update every 2 days, and Simple WODTimer monthly. Most recently, BoulderBook was updated on September 26, 2026 and Simple WODTimer on September 16, 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.*