# Carbo › Pencil Notes & Drawing vs keyVisitor

The clearest difference is in-app purchases: keyVisitor at none against Carbo › Pencil Notes & Drawing's 3. keyVisitor also leads on update cadence (every 5 weeks vs every 4 months). Carbo › Pencil Notes & Drawing's advantage is iOS requirement (18.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Carbo › Pencil Notes & Drawing sells 3 in-app purchases, starting at $3.99 per month. keyVisitor asks for nothing beyond the download.

Carbo › Pencil Notes & Drawing ships an update every 4 months, keyVisitor every 5 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Carbo › Pencil Notes & Drawing | keyVisitor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (51 ratings)](https://appshunter.io/ios/app/carbo-pencil-notes-and-drawing/id956811074/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 54.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 2 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Creaceed SRL](https://appshunter.io/developer/291683889) | [key Business Process Solutions, SA de CV](https://appshunter.io/developer/1456825662) |

## What reviewers say

### Carbo › Pencil Notes & Drawing

[App page](https://appshunter.io/ios/app/carbo-pencil-notes-and-drawing/id956811074)

Capture and organize handwritten notes and sketches digitally. This app preserves the expressiveness of your original drawings with innovative visualization technology. Tag, annotate, and store your creations in the cloud for easy retrieval and sharing.

**Highlights:** Hybrid visualization technology, Image-based input options, Natural sketching with Apple Pencil support, Editable notes and drawings, Tagging and annotation for search, Cloud storage integration, Customizable export styles

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (Monthly) | $3.99 | per month |
| Pro Plan (Yearly) | $9.99 | per year |
| Pro Pack 2 | $23.99 | one-time |

**What reviewers like**

- 👍 Great for sketching ideas
- 👍 Pleasantly surprised by subscription plan
- 👍 Laser-focused on B&W scanning
- 👍 Excellent for capturing notes
- 👍 Manipulate scans easily

**What reviewers complain about**

- 👎 Lacking features for daily use
- 👎 Difficult for diagrams and notes
- 👎 Rudimentary editing tools
- 👎 Lacks color
- 👎 Crippled by lack of export options

**Reported bugs**

- Keeps crashing on iPad
- Update bricks app (crashes on launch)
- Carbo keeps crashing
- Sync problem with Evernote
- Exporting pages (archiving) doesn't work

**Requested features**

- Adding colors
- More pencil sizes
- Ability to handle multi-page docs
- Viable export options (PDF, etc.)
- Ability to bundle pages into PDF


### keyVisitor

[App page](https://appshunter.io/ios/app/keyvisitor/id1539946172)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Carbo › Pencil Notes & Drawing free?

Carbo › Pencil Notes & Drawing is free to download, with in-app purchases available.

### Is keyVisitor free?

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

### Do Carbo › Pencil Notes & Drawing or keyVisitor have ads?

Neither Carbo › Pencil Notes & Drawing nor keyVisitor shows ads.

### Which is updated more often, Carbo › Pencil Notes & Drawing or keyVisitor?

Carbo › Pencil Notes & Drawing ships an update every 4 months, and keyVisitor every 5 weeks. Most recently, Carbo › Pencil Notes & Drawing was updated on November 1, 2026 and keyVisitor on November 3, 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.*