# Mandel Draw vs Stars Units Sizes Objects

The clearest difference is in-app purchases: Stars Units Sizes Objects at none against Mandel Draw's 1. Stars Units Sizes Objects also leads on review sentiment (80% vs 53%) and iOS requirement (11.0 vs 16.0). Mandel Draw's advantage is ads (none vs shown) and update cadence (weekly vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Mandel Draw sells 1 one-off in-app purchase. Stars Units Sizes Objects asks for nothing beyond the download.

Mandel Draw holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Mandel Draw has 147 ratings behind it against 5, so its average is the more settled of the two. Written reviews complicate that: 53% of Mandel Draw's written reviews are positive against 80% of Stars Units Sizes Objects's, so the app with the better star average is not the one people write more warmly about.

Mandel Draw ships an update weekly, Stars Units Sizes Objects every 4 months. The most recent releases landed on October 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Mandel Draw | Stars Units Sizes Objects |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (147 ratings)](https://appshunter.io/ios/app/mandel-draw/id1547068084/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571/reviews) |
| Number of ratings | **147** | 5 |
| Positive reviews | 53.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 22 MB | 124 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kouji Mori](https://appshunter.io/developer/1458257715) | [Mudarmeen Munlin](https://appshunter.io/developer/1348165664) |

## What reviewers say

### Mandel Draw

[App page](https://appshunter.io/ios/app/mandel-draw/id1547068084)

Explore the infinite beauty of fractals with this intuitive drawing app. Generate Mandelbrot and Julia sets with numerous functions and color palettes. Enjoy simple touch controls for navigation and advanced settings for high-resolution output and iCloud syncing.

**Highlights:** Mandelbrot and Julia set generation, 80+ fractal functions, 20+ color palettes, Intuitive touch controls (drag, pinch, tap), High-resolution output, iCloud Sync for favorites and palettes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock | $1.99 | one-time |


### Stars Units Sizes Objects

[App page](https://appshunter.io/ios/app/stars-units-sizes-objects/id1576148571)

Explore the vastness of the universe, from the smallest particles to the largest cosmic structures. Compare object sizes, view detailed images, and perform unit conversions across a wide range of astronomical scales. Learn about stars, galaxies, and the incredible distances between them.

**Highlights:** Compare object sizes, View object images, Pinch/Zoom and Pan images, Unit conversion for distances, Explore scales from Planck length to observable universe, Learn about stars and galaxies

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mandel Draw free?

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

### Is Stars Units Sizes Objects free?

Stars Units Sizes Objects is free to download, with no in-app purchases.

### Which has better reviews, Mandel Draw or Stars Units Sizes Objects?

Mandel Draw is rated higher. Mandel Draw averages 4.5 out of 5 from 147 ratings, while Stars Units Sizes Objects averages 4.2 from 5 ratings.

### Do Mandel Draw or Stars Units Sizes Objects have ads?

Stars Units Sizes Objects shows ads; Mandel Draw does not.

### Which is updated more often, Mandel Draw or Stars Units Sizes Objects?

Mandel Draw ships an update weekly, and Stars Units Sizes Objects every 4 months. Most recently, Mandel Draw was updated on October 18, 2026 and Stars Units Sizes Objects on September 22, 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.*