# Überdoodle vs Heat Pad HD

The clearest difference is rating: Überdoodle at 3.8 against Heat Pad HD's 2.7. Überdoodle also leads on review sentiment (78% vs 63%). Heat Pad HD's advantage is price ($0.99 vs $1.99) and iOS requirement (11.0 vs 13.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Überdoodle costs $1.99 and Heat Pad HD $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Überdoodle holds the better App Store score, 3.8 against 2.7. Both are backed by a comparable volume of ratings — 11 and 6 respectively. Written reviews point the same way: 78% of Überdoodle's written reviews are positive against 63% of Heat Pad HD's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Überdoodle | Heat Pad HD |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[3.8 (11 ratings)](https://appshunter.io/ios/app/uberdoodle/id372062013/reviews)** | [2.7 (6 ratings)](https://appshunter.io/ios/app/heat-pad-hd-relaxing-surface/id407967413/reviews) |
| Number of ratings | **11** | 6 |
| Positive reviews | **78.0% of reviews** | 62.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | Free |
| Size | 20 MB | 8 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Morten Bek Ditlevsen](https://appshunter.io/developer/372062016) | [Padadaz](https://appshunter.io/developer/288177711) |

## What reviewers say

### Überdoodle

[App page](https://appshunter.io/ios/app/uberdoodle/id372062013)

Relive nostalgic childhood fun with a classic spiral drawing tool. Create intricate patterns with virtual gears and a magic rainbow pen, or simply paint with your finger. Share your creations as wallpapers or send them to loved ones.

**Highlights:** Classic spirograph drawing tool, Create custom gears and rings, Multiple drawing modes, Import photos, Apple Pencil support, Draw hypotrochoids and epitrochoids, Various paper types and background colors

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Heat Pad HD

[App page](https://appshunter.io/ios/app/heat-pad-hd-relaxing-surface/id407967413)

Experience a calming simulation of heat-sensitive surfaces that react to your touch. Explore 18 unique visual and interactive environments designed for relaxation and entertainment. Features include soothing music and a pause mode for creative doodling.

**Highlights:** Realistic heat-sensitive surface simulation, 18 unique surface types, Relaxing background music, Pause mode for doodling, Adjustable inertia settings, Save creations to Photo Album

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Überdoodle free?

Überdoodle costs $1.99, with no in-app purchases.

### Is Heat Pad HD free?

Heat Pad HD costs $0.99, with no in-app purchases.

### Which has better reviews, Überdoodle or Heat Pad HD?

Überdoodle is rated higher. Überdoodle averages 3.8 out of 5 from 11 ratings, while Heat Pad HD averages 2.7 from 6 ratings.

### Do Überdoodle or Heat Pad HD have ads?

Neither Überdoodle nor Heat Pad HD shows ads.

### Which is updated more often, Überdoodle or Heat Pad HD?

Überdoodle ships an update every 3 months, and Heat Pad HD every 3 months. Most recently, Überdoodle was updated on October 22, 2026 and Heat Pad HD on October 26, 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.*