# 先生 vs Marmot Run

The clearest difference is ads: 先生 at none against Marmot Run's shown. 先生 also leads on iOS requirement (6.0 vs 15.0). Marmot Run's advantage is update cadence (every 3 weeks vs every 43 months). On price, 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, Marmot Run every 3 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 先生 | Marmot Run |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Every 3 weeks** |
| Size | 23 MB | 94 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [m7kenji](https://appshunter.io/developer/423804891) | [jun matsuura](https://appshunter.io/developer/6788798215) |

## What reviewers say

### 先生

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

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

**In-app purchases:** none


### Marmot Run

[App page](https://appshunter.io/ios/app/marmot-run/id6788798213)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 先生 free?

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

### Is Marmot Run free?

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

### Do 先生 or Marmot Run have ads?

Marmot Run shows ads; 先生 does not.

### Which is updated more often, 先生 or Marmot Run?

先生 ships an update every 43 months, and Marmot Run every 3 weeks. Most recently, 先生 was updated on October 9, 2026 and Marmot Run on October 11, 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.*