# Fossil Identifier & Rock ID vs KeyboardNote

The clearest difference is in-app purchases: KeyboardNote at none against Fossil Identifier & Rock ID's 3. KeyboardNote also leads on iOS requirement (13.0 vs 16.0). Fossil Identifier & Rock ID's advantage is update cadence (weekly vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Fossil Identifier & Rock ID sells 3 in-app purchases, starting at $6.99 per 7 days. KeyboardNote asks for nothing beyond the download.

Fossil Identifier & Rock ID ships an update weekly, KeyboardNote fortnightly. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fossil Identifier & Rock ID | KeyboardNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/fossil-identifier-and-rock-id/id6752543343/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 36 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yurii Kriuchkov](https://appshunter.io/developer/1084215868) | [jungkil bae](https://appshunter.io/developer/1801875279) |

## What reviewers say

### Fossil Identifier & Rock ID

[App page](https://appshunter.io/ios/app/fossil-identifier-and-rock-id/id6752543343)

Instantly identify rocks, fossils, and meteorites by snapping a photo. Uncover the history, age, and scientific background of your discoveries. Build a digital collection of your finds and explore Earth's ancient past.

**Highlights:** Identify rocks, fossils, and meteorites, Fast, accurate image recognition, Learn Earth's history and origins, Build a digital collection of finds, Explore ancient world facts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly plan | $6.99 | per 7 days |
| Annual Plan | $29.99 | per year |
| Annual Plan | $29.99 | per year |


### KeyboardNote

[App page](https://appshunter.io/ios/app/keyboardnote/id6790989944)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fossil Identifier & Rock ID free?

Fossil Identifier & Rock ID is free to download, with in-app purchases available.

### Is KeyboardNote free?

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

### Do Fossil Identifier & Rock ID or KeyboardNote have ads?

Neither Fossil Identifier & Rock ID nor KeyboardNote shows ads.

### Which is updated more often, Fossil Identifier & Rock ID or KeyboardNote?

Fossil Identifier & Rock ID ships an update weekly, and KeyboardNote fortnightly. Most recently, Fossil Identifier & Rock ID was updated on November 5, 2026 and KeyboardNote on October 28, 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.*