# 記石 vs Bouldering AI

The clearest difference is ads: 記石 at none against Bouldering AI's shown. Bouldering AI's advantage is update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 記石 sells 2 in-app purchases, starting at $0.99 per month and Bouldering AI sells 5 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

記石 ships an update every 2 months, Bouldering AI every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 記石 | Bouldering AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 4 MB | 224 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HAO Yuan Cheng Cheng](https://appshunter.io/developer/1625456139) | [David Pavlovschii](https://appshunter.io/developer/1854112110) |

## What reviewers say

### 記石

[App page](https://appshunter.io/ios/app/id6465749193)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月票 | $0.99 | per month |
| 套票 - 100條路線紀錄 | $0.99 | one-time |


### Bouldering AI

[App page](https://appshunter.io/ios/app/bouldering-ai-coach/id6760506150)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Yearly Offer | $29.99 | per year |
| 3 Months | $29.99 | per 3 months |
| Yearly | $49.99 | per year |
| Lifetime Access | $119.99 | one-time |


## Frequently asked questions

### Is 記石 free?

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

### Is Bouldering AI free?

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

### Do 記石 or Bouldering AI have ads?

Bouldering AI shows ads; 記石 does not.

### Which is updated more often, 記石 or Bouldering AI?

記石 ships an update every 2 months, and Bouldering AI every 4 days. Most recently, 記石 was updated on November 3, 2026 and Bouldering AI on October 31, 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.*