# Braincloud BCA vs Stone Shelf

The clearest difference is in-app purchases: Braincloud BCA at none against Stone Shelf's 2. Braincloud BCA also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Stone Shelf's advantage is update cadence (every 4 days vs every 5 weeks). On price and ads there is nothing between them.

Both are free to download. Stone Shelf sells 2 in-app purchases, starting at $5.99 per month. Braincloud BCA asks for nothing beyond the download.

Braincloud BCA ships an update every 5 weeks, Stone Shelf every 4 days. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Braincloud BCA | Stone Shelf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 28 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Julian mwenda](https://appshunter.io/developer/1893281947) | [Ampliora LLC](https://appshunter.io/developer/6776376981) |

## What reviewers say

### Braincloud BCA

[App page](https://appshunter.io/ios/app/braincloud-bca/id6762187515)

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

**In-app purchases:** none


### Stone Shelf

[App page](https://appshunter.io/ios/app/stone-shelf-rock-identifier/id6784443588)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stone Shelf Pro Monthly | $5.99 | per month |
| Stone Shelf Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is Braincloud BCA free?

Braincloud BCA is free to download, with no in-app purchases.

### Is Stone Shelf free?

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

### Do Braincloud BCA or Stone Shelf have ads?

Neither Braincloud BCA nor Stone Shelf shows ads.

### Which is updated more often, Braincloud BCA or Stone Shelf?

Braincloud BCA ships an update every 5 weeks, and Stone Shelf every 4 days. Most recently, Braincloud BCA was updated on October 1, 2026 and Stone Shelf on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*