# Star Doodle AR vs Sharpen/Clear Underwater image

The clearest difference is in-app purchases: Sharpen/Clear Underwater image at none against Star Doodle AR's 1. Sharpen/Clear Underwater image also leads on update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Star Doodle AR sells 1 one-off in-app purchase. Sharpen/Clear Underwater image asks for nothing beyond the download.

Star Doodle AR ships an update every 5 months, Sharpen/Clear Underwater image every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Star Doodle AR | Sharpen/Clear Underwater image |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (13 ratings)](https://appshunter.io/ios/app/star-doodle-ar/id1377282947/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 249 MB | 32 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tadanori Okada](https://appshunter.io/developer/1347805143) | [MINERVA K.K.](https://appshunter.io/developer/1597905460) |

## What reviewers say

### Star Doodle AR

[App page](https://appshunter.io/ios/app/star-doodle-ar/id1377282947)

Create magical, sparkling drawings in 3D space or on surfaces with a variety of animated effects and unique pens. Save your creations as videos or photos to share with others. Unlock additional features through in-app purchases or by watching ads.

**Highlights:** Draw in midair or on surfaces, 12 kinds of animations, 16 unique drawing pens, Save creations as video or photo, Share with friends, Unlockable features

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock buttons & Remove Ads | $4.99 | one-time |


### Sharpen/Clear Underwater image

[App page](https://appshunter.io/ios/app/sharpenclear-underwater-image/id6444494575)

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

**In-app purchases:** none


## Frequently asked questions

### Is Star Doodle AR free?

Star Doodle AR is free to download, with in-app purchases available.

### Is Sharpen/Clear Underwater image free?

Sharpen/Clear Underwater image is free to download, with no in-app purchases.

### Do Star Doodle AR or Sharpen/Clear Underwater image have ads?

Both Star Doodle AR and Sharpen/Clear Underwater image show ads.

### Which is updated more often, Star Doodle AR or Sharpen/Clear Underwater image?

Star Doodle AR ships an update every 5 months, and Sharpen/Clear Underwater image every 3 weeks. Most recently, Star Doodle AR was updated on November 2, 2026 and Sharpen/Clear Underwater image on October 30, 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.*