# Caar vs Polygraf

The clearest difference is iOS requirement: Polygraf at 9.0 against Caar's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Caar ships an update every 8 months, Polygraf every 6 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Caar | Polygraf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/caar/id424562803/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 2 MB | 40 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [zenwheel](https://appshunter.io/developer/343377295) | [Masaryk University](https://appshunter.io/developer/443178424) |

## What reviewers say

### Caar

[App page](https://appshunter.io/ios/app/caar/id424562803)

A full-screen coloring app for toddlers. It offers a blank canvas and a simple color palette, allowing young children to freely express their creativity without any boundaries. Keep your walls and furniture safe from artistic endeavors.

**Highlights:** Full-screen coloring canvas, Simple color palette, No lines to stay within, Designed for toddlers, Safe for furniture

**Features:** macOS Compatibility

**In-app purchases:** none


### Polygraf

[App page](https://appshunter.io/ios/app/polygraf/id443178421)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Caar free?

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

### Is Polygraf free?

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

### Do Caar or Polygraf have ads?

Neither Caar nor Polygraf shows ads.

### Which is updated more often, Caar or Polygraf?

Caar ships an update every 8 months, and Polygraf every 6 months. Most recently, Caar was updated on October 23, 2026 and Polygraf on October 24, 2026.

---

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