# Leanfast Play vs Resonant Quantum Mechanics

The clearest difference is update cadence: Resonant Quantum Mechanics at weekly against Leanfast Play's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Leanfast Play ships an update every 11 months, Resonant Quantum Mechanics weekly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Leanfast Play | Resonant Quantum Mechanics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/resonant-quantum-mechanics/id6771489975/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | — | Free |
| Size | 49 MB | 144 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Members](https://appshunter.io/developer/1653824858) | [RQM Technologies LLC](https://appshunter.io/developer/6771489977) |

## What reviewers say

### Leanfast Play

[App page](https://appshunter.io/ios/app/leanfast-play/id6468610951)

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

**In-app purchases:** none


### Resonant Quantum Mechanics

[App page](https://appshunter.io/ios/app/resonant-quantum-mechanics/id6771489975)

Explore quantum mechanics through interactive 3D visuals and guided lessons. This educational app uses geometry and quaternions to explain complex concepts like quantum states, hydrogen, and the periodic table. No login is required for this visual learning experience.

**Highlights:** Interactive 3D visuals, Guided lessons, Geometric approach to quantum mechanics, Explains quaternions and quantum states, Covers hydrogen and periodic table, No login required

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

**In-app purchases:** none


## Frequently asked questions

### Is Leanfast Play free?

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

### Is Resonant Quantum Mechanics free?

Resonant Quantum Mechanics is free to download, with no in-app purchases.

### Do Leanfast Play or Resonant Quantum Mechanics have ads?

Neither Leanfast Play nor Resonant Quantum Mechanics shows ads.

### Which is updated more often, Leanfast Play or Resonant Quantum Mechanics?

Leanfast Play ships an update every 11 months, and Resonant Quantum Mechanics weekly. Most recently, Leanfast Play was updated on November 7, 2026 and Resonant Quantum Mechanics on October 31, 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.*