# Calca app vs PaperTrace Light Table

The clearest difference is in-app purchases: PaperTrace Light Table at none against Calca app's 4. PaperTrace Light Table also leads on ads (none vs shown) and update cadence (every 2 days vs fortnightly). Calca app's advantage is iOS requirement (16.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Calca app sells 4 in-app purchases, starting at $2.99 per year. PaperTrace Light Table asks for nothing beyond the download.

Calca app ships an update fortnightly, PaperTrace Light Table every 2 days. The most recent releases landed on October 18, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Calca app | PaperTrace Light Table |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (88 ratings)](https://appshunter.io/ios/app/calca-app/id1567655347/reviews)** | — |
| Number of ratings | **88** | — |
| Positive reviews | 48.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 2 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Francisco Mateo Marquez](https://appshunter.io/developer/990577710) | [Michael Furø](https://appshunter.io/developer/1867622187) |

## What reviewers say

### Calca app

[App page](https://appshunter.io/ios/app/calca-app/id1567655347)

This app allows you to project any image from your device or camera onto a surface for drawing or tracing. It offers customization options for fonts and colors, and can even capture web pages. Tutorials are available to help users get the most out of its features.

**Highlights:** Image projection for drawing, Camera lucida functionality, Customizable fonts (1550+), Web page capture, 3D effect option, Multicultural language support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One-year subscription | $2.99 | per year |
| Monthly Advanced Founder Plan | $4.99 | per month |
| Yearly Basic Founder Plan | $49.99 | per year |
| Permanent License | $149.99 | one-time |


### PaperTrace Light Table

[App page](https://appshunter.io/ios/app/papertrace-light-table/id6801226871)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calca app free?

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

### Is PaperTrace Light Table free?

PaperTrace Light Table is free to download, with no in-app purchases.

### Do Calca app or PaperTrace Light Table have ads?

Calca app shows ads; PaperTrace Light Table does not.

### Which is updated more often, Calca app or PaperTrace Light Table?

Calca app ships an update fortnightly, and PaperTrace Light Table every 2 days. Most recently, Calca app was updated on October 18, 2026 and PaperTrace Light Table on October 6, 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.*