# WorldBounce vs Atomus HD

The clearest difference is price: WorldBounce at Free against Atomus HD's $1.99. WorldBounce also leads on iOS requirement (12.0 vs 15.6). Atomus HD's advantage is rating (4.8 vs 1.3) and update cadence (every 3 months vs every 72 months). On ads, in-app purchases and device support there is nothing between them.

WorldBounce is free to download; Atomus HD costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Atomus HD holds the better App Store score, 4.8 against 1.3. That said, the two scores are not equally well evidenced: Atomus HD has 60 ratings behind it against 8, so its average is the more settled of the two.

WorldBounce ships an update every 72 months, Atomus HD every 3 months. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | WorldBounce | Atomus HD |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.3 (8 ratings)](https://appshunter.io/ios/app/worldbounce/id369121376/reviews) | **[4.8 (60 ratings)](https://appshunter.io/ios/app/atomus-hd/id741515911/reviews)** |
| Number of ratings | 8 | **60** |
| Positive reviews | — | 90.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 72 months | **Every 3 months** |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#146** |
| Size | 3 MB | 63 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alan Smith](https://appshunter.io/developer/367594336) | [SungLab Inc](https://appshunter.io/developer/1691666995) |

## What reviewers say

### WorldBounce

[App page](https://appshunter.io/ios/app/worldbounce/id369121376)

Interact with a globe that rolls and bounces off the screen edges when you tilt your device. Experience a unique demonstration of accelerometer technology with a realistic Earth map.

**Highlights:** Accelerometer control, Globe rolling simulation, Bouncing physics, Realistic Earth map, Device tilt interaction

**Features:** macOS Compatibility

**In-app purchases:** none


### Atomus HD

[App page](https://appshunter.io/ios/app/atomus-hd/id741515911)

**Currently charting:** #146 Top Paid · Entertainment (US App Store)

Experience a premium kinetic universe of light and motion with dynamic, evolving particle structures. This app offers a richer, more immersive visual experience perfect for creative focus, relaxation, or quiet exploration.

**Highlights:** Evolving light and motion structures, Richer particle density and flow, Smooth 60 FPS rendering, 10-finger multi-touch support, Adjustable particle settings, Multiple color modes, Ad-free experience

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

**In-app purchases:** none

**What reviewers like**

- ✨ Visually stunning graphics
- 🧘‍♀️ Relaxing and calming experience
- 🎨 Creative and mesmerizing visuals
- 🎶 Beautiful and soothing music
- 🎮 Addictive and engaging gameplay

**What reviewers complain about**

- ⏳ Can become boring after a while
- ❓ Lack of user manual/explanations
- 🎶 Music can be repetitive
- 💸 Some users feel it's a waste of money
- 🎛️ Limited customization options

**Reported bugs**

- App crashes with 11 fingers
- Orientation issues on tablets
- Music not working
- Sound stopped working
- App freezes after opening and exiting

**Requested features**

- User manual or explanations
- Ability to customize starting points
- Option to record or save favorite settings
- Ability to take screenshots
- More music tracks/playlists


## Frequently asked questions

### Is WorldBounce free?

WorldBounce is free to download, with no in-app purchases.

### Is Atomus HD free?

Atomus HD costs $1.99, with no in-app purchases.

### Which has better reviews, WorldBounce or Atomus HD?

Atomus HD is rated higher. WorldBounce averages 1.3 out of 5 from 8 ratings, while Atomus HD averages 4.8 from 60 ratings.

### Do WorldBounce or Atomus HD have ads?

Neither WorldBounce nor Atomus HD shows ads.

### Which is updated more often, WorldBounce or Atomus HD?

WorldBounce ships an update every 72 months, and Atomus HD every 3 months. Most recently, WorldBounce was updated on September 29, 2026 and Atomus HD on October 14, 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.*