# Powder Game vs Human Heroes Einstein’s Clock

The clearest difference is ads: Human Heroes Einstein’s Clock at none against Powder Game's shown. Human Heroes Einstein’s Clock also leads on monetization model (free vs ad-supported). Powder Game's advantage is ratings volume (2.2K vs 35). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.5 for Powder Game against 4.6 for Human Heroes Einstein’s Clock. That said, the two scores are not equally well evidenced: Powder Game has 2.2K ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 85% of Powder Game's written reviews are positive against 83% of Human Heroes Einstein’s Clock's.

Powder Game ships an update every 6 weeks, Human Heroes Einstein’s Clock every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Powder Game | Human Heroes Einstein’s Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2.2K ratings)](https://appshunter.io/ios/app/powder-game/id521519384/reviews) | **[4.6 (35 ratings)](https://appshunter.io/ios/app/human-heroes-einsteins-clock/id1463380511/reviews)** |
| Number of ratings | **2.2K** | 35 |
| Positive reviews | **84.5% of reviews** | 82.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 48 MB | 183 MB |
| Requires iOS | 13.0 | **12.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DAN-BALL](https://appshunter.io/developer/348592290) | [Human Heroes Ltd](https://appshunter.io/developer/1442853426) |

## What reviewers say

### Powder Game

[App page](https://appshunter.io/ios/app/powder-game/id521519384)

Explore a physics sandbox where you can simulate the interactions of various elements like water, fire, and gunpowder. Witness unique reactions and emergent phenomena as different 'dots' collide and influence each other.

**Highlights:** Physics simulation with powder elements, Over 30 different dot variations, Simulate element reactions, Explosion effects, Plant growth simulation

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

**In-app purchases:** none

**What reviewers like**

- 🎉 Fun sandbox game
- 👍 Satisfying gameplay
- 🎨 Lots of creative possibilities
- 🔍 Interesting element interactions
- 🕹️ Engaging player/fighter mechanics

**What reviewers complain about**

- 🐛 Occasional glitches and bugs
- 📺 Intrusive ads
- 🔒 Limited customization options
- 🚫 Pixel/dot limit frustrating
- 🔍 Unclear how to use some features

**Reported bugs**

- View feature not working as expected
- Occasional freezing or crashing
- Inconsistent player/fighter behavior
- Saved creations sometimes disappearing

**Requested features**

- Add more elements and materials
- Increase pixel/dot limit or make it unlimited
- Implement a save/load system for creations
- Add more player/fighter customization options
- Introduce new gameplay modes or challenges


### Human Heroes Einstein’s Clock

[App page](https://appshunter.io/ios/app/human-heroes-einsteins-clock/id1463380511)

Learn to tell time with an interactive 3D Albert Einstein, voiced by Stephen Fry. This free app offers 8 levels of clock-reading challenges, with visual and verbal guidance to help children master time concepts. It's an engaging introduction to the Human Heroes educational series.

**Highlights:** Interactive 3D Albert Einstein character, Voiced by Stephen Fry, 8 levels of clock-reading practice, O'Clock, quarter, half, past, and to time concepts, On-screen visual and verbal guidance, Offline play

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Powder Game free?

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

### Is Human Heroes Einstein’s Clock free?

Human Heroes Einstein’s Clock is free to download, with no in-app purchases.

### Which has better reviews, Powder Game or Human Heroes Einstein’s Clock?

Human Heroes Einstein’s Clock is rated higher. Powder Game averages 4.5 out of 5 from 2.2K ratings, while Human Heroes Einstein’s Clock averages 4.6 from 35 ratings.

### Do Powder Game or Human Heroes Einstein’s Clock have ads?

Powder Game shows ads; Human Heroes Einstein’s Clock does not.

### Which is updated more often, Powder Game or Human Heroes Einstein’s Clock?

Powder Game ships an update every 6 weeks, and Human Heroes Einstein’s Clock every 2 months. Most recently, Powder Game was updated on October 29, 2026 and Human Heroes Einstein’s Clock 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.*