# Atomic Toy vs Flasia HD

The clearest difference is rating: Flasia HD at 4.6 against Atomic Toy's 4.1. Flasia HD also leads on review sentiment (100% vs 69%) and chart position (#200 vs unranked). Atomic Toy's advantage is price ($0.99 vs $3.99) and iOS requirement (8.0 vs 15.6). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Atomic Toy costs $0.99 and Flasia HD $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flasia HD holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 8 and 11 respectively. Written reviews point the same way: 69% of Atomic Toy's written reviews are positive against 100% of Flasia HD's.

Atomic Toy ships an update every 7 months, Flasia HD every 5 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Atomic Toy | Flasia HD |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | [4.1 (8 ratings)](https://appshunter.io/ios/app/atomic-toy/id403391202/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/flasia-hd/id976926654/reviews)** |
| Number of ratings | 8 | **11** |
| Positive reviews | 68.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#200** |
| Size | 13 MB | 59 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PDJ Apps](https://appshunter.io/developer/290231771) | [SungLab Inc](https://appshunter.io/developer/1691666995) |

## What reviewers say

### Atomic Toy

[App page](https://appshunter.io/ios/app/atomic-toy/id403391202)

Explore the fascinating world of atomic structures. Interact with a dynamic nucleus and energetic particles that react to your touch, creating unique atomic formations. A visually engaging experience for curious minds.

**Highlights:** Dynamic nucleus simulation, Energetic particle reactions, Touch-based interaction, Generates new atom types, Visually pleasing effects

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

**In-app purchases:** none

**What reviewers like**

- ✨ Mesmerizing and beautiful visuals
- 🎨 Creates awesome wallpapers
- 🧘 Relaxing and fun to play with
- 🤩 Addictive and entertaining
- 👍 Good for kids and adults

**What reviewers complain about**

- 👎 Clunky and outdated interface
- 📉 Lost old multitouch functionality
- 📱 Screen display not centered on some devices
- 🤷 Gets repetitive after a while
- 💰 Overpriced for features

**Reported bugs**

- Multitouch changed and not as good
- Active screen is a portion of the iPhone 6s
- Nucleus display not centered on iPhone 6 Plus
- Photos not showing up in photo album
- App stuck on loading screen

**Requested features**

- Bring back old multitouch functionality
- More particles and variable particle size
- Selectable color palette
- Vibrate function
- Add a text tool


### Flasia HD

[App page](https://appshunter.io/ios/app/flasia-hd/id976926654)

**Currently charting:** #200 Top Paid · Entertainment (US App Store)

This interactive visualizer creates beautiful, artistic displays inspired by natural phenomena like fireworks and fluid dynamics. It offers creative thinking tools and can serve as entertainment or interior decor for art enthusiasts.

**Highlights:** 5-finger multi-touch display, Customizable particle length, number, and size, Two play modes: gesture control and multi-touch drawing, Fluid effect with high FPS, Music options by Aden Ray

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

**In-app purchases:** none


## Frequently asked questions

### Is Atomic Toy free?

Atomic Toy costs $0.99, with no in-app purchases.

### Is Flasia HD free?

Flasia HD costs $3.99, with no in-app purchases.

### Which has better reviews, Atomic Toy or Flasia HD?

Flasia HD is rated higher. Atomic Toy averages 4.1 out of 5 from 8 ratings, while Flasia HD averages 4.6 from 11 ratings.

### Do Atomic Toy or Flasia HD have ads?

Neither Atomic Toy nor Flasia HD shows ads.

### Which is updated more often, Atomic Toy or Flasia HD?

Atomic Toy ships an update every 7 months, and Flasia HD every 5 months. Most recently, Atomic Toy was updated on November 1, 2026 and Flasia HD on November 1, 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.*