# 先生 vs SNO Zero

The clearest difference is review sentiment: 先生 at 91% against SNO Zero's 60%. 先生 also leads on iOS requirement (6.0 vs 17.0). SNO Zero's advantage is update cadence (monthly vs every 43 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.

先生 ships an update every 43 months, SNO Zero monthly. The most recent releases landed on September 22, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 先生 | SNO Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/sno-zero/id6459478106/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **90.9% of reviews** | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Monthly** |
| Monetization | — | Free |
| Size | 23 MB | 521 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 12+ |
| Developer | [m7kenji](https://appshunter.io/developer/423804891) | [BuchioGames](https://appshunter.io/developer/1032331543) |

## What reviewers say

### 先生

[App page](https://appshunter.io/ios/app/id853166104)

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

**In-app purchases:** none


### SNO Zero

[App page](https://appshunter.io/ios/app/sno-zero/id6459478106)

Embark on a 2.5D adventure to solve a mystery on a snow planet, utilizing unique dimension-switching mechanics. Switch to 3D mode to overcome obstacles and uncover the truth behind a past war. This mini-story game offers a focused, engaging experience.

**Highlights:** 2.5D exploration, 3D physical action, Dimension switching mechanics, Mystery solving, Acquire new abilities, Mini-story campaign

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

**In-app purchases:** none


## Frequently asked questions

### Is 先生 free?

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

### Is SNO Zero free?

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

### Do 先生 or SNO Zero have ads?

Neither 先生 nor SNO Zero shows ads.

### Which is updated more often, 先生 or SNO Zero?

先生 ships an update every 43 months, and SNO Zero monthly. Most recently, 先生 was updated on September 22, 2026 and SNO Zero on October 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.*