# 엔비전(envision) vs Quantum M

The clearest difference is iOS requirement: 엔비전(envision) at 13.4 against Quantum M's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

엔비전(envision) ships an update every 3 weeks, Quantum M every 2 weeks. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 엔비전(envision) | Quantum M |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 93 MB | 16 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EnerDoT Co., Ltd.](https://appshunter.io/developer/1828863644) | [Energyus Co., Ltd.](https://appshunter.io/developer/1836908735) |

## What reviewers say

### 엔비전(envision)

[App page](https://appshunter.io/ios/app/envision/id6444843318)

**In-app purchases:** none


### Quantum M

[App page](https://appshunter.io/ios/app/quantum-m/id6751805154)

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

**In-app purchases:** none


## Frequently asked questions

### Is 엔비전(envision) free?

엔비전(envision) is free to download, with no in-app purchases.

### Is Quantum M free?

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

### Do 엔비전(envision) or Quantum M have ads?

Neither 엔비전(envision) nor Quantum M shows ads.

### Which is updated more often, 엔비전(envision) or Quantum M?

엔비전(envision) ships an update every 3 weeks, and Quantum M every 2 weeks. Most recently, 엔비전(envision) was updated on October 5, 2026 and Quantum M on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*