# Spiral Corrector vs Learn how to Draw 3D

The clearest difference is review sentiment: Spiral Corrector at 71% against Learn how to Draw 3D's 18%. Spiral Corrector also leads on ads (none vs shown) and iOS requirement (9.3 vs 14.0). Learn how to Draw 3D's advantage is rating (4.2 vs 3.6) and update cadence (every 3 months vs every 14 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Spiral Corrector sells 1 one-off in-app purchase and Learn how to Draw 3D sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Learn how to Draw 3D holds the better App Store score, 4.2 against 3.6. Both are backed by a comparable volume of ratings — 45 and 27 respectively. Written reviews complicate that: 71% of Spiral Corrector's written reviews are positive against 18% of Learn how to Draw 3D's, so the app with the better star average is not the one people write more warmly about.

Spiral Corrector ships an update every 14 months, Learn how to Draw 3D every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Spiral Corrector | Learn how to Draw 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (45 ratings)](https://appshunter.io/ios/app/spiral-corrector/id478699256/reviews) | **[4.2 (27 ratings)](https://appshunter.io/ios/app/learn-how-to-draw-3d/id1197883549/reviews)** |
| Number of ratings | **45** | 27 |
| Positive reviews | **71.0% of reviews** | 18.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 41 MB | 13 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anatoly Weinstein](https://appshunter.io/developer/385589772) | [ben massoud hamza](https://appshunter.io/developer/1197883548) |

## What reviewers say

### Spiral Corrector

[App page](https://appshunter.io/ios/app/spiral-corrector/id478699256)

Enhance handwriting accuracy and dexterity with this app. It offers a fun way to practice drawing spirals, improving fine motor skills for all ages. Experiment with various colors, thicknesses, and effects to create unique designs.

**Highlights:** Improve penmanship, Enhance hand and finger motility, Learn to draw spirals, Adjust painting speed, Combine colors and effects, Change wheels and holes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Export, Remove Ads | $2.99 | one-time |


### Learn how to Draw 3D

[App page](https://appshunter.io/ios/app/learn-how-to-draw-3d/id1197883549)

Learn to create anamorphic drawings with animated, step-by-step instructions. This app guides you through creating 3D art, regardless of your skill level, with easy-to-follow animations for each drawing step.

**Highlights:** Animated step-by-step drawing instructions, Create anamorphic 3D drawings, Easy to follow for all skill levels, Dozens of different objects to draw, Continuous updates with new lessons

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Upgrade to Premium | $2.99 | one-time |


## Frequently asked questions

### Is Spiral Corrector free?

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

### Is Learn how to Draw 3D free?

Learn how to Draw 3D is free to download, with in-app purchases available.

### Which has better reviews, Spiral Corrector or Learn how to Draw 3D?

Learn how to Draw 3D is rated higher. Spiral Corrector averages 3.6 out of 5 from 45 ratings, while Learn how to Draw 3D averages 4.2 from 27 ratings.

### Do Spiral Corrector or Learn how to Draw 3D have ads?

Learn how to Draw 3D shows ads; Spiral Corrector does not.

### Which is updated more often, Spiral Corrector or Learn how to Draw 3D?

Spiral Corrector ships an update every 14 months, and Learn how to Draw 3D every 3 months. Most recently, Spiral Corrector was updated on October 24, 2026 and Learn how to Draw 3D on October 24, 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.*