# 火星土豆 vs Seasons diffuser

The clearest difference is update cadence: 火星土豆 at every 2 weeks against Seasons diffuser's every 18 months. 火星土豆 also leads on iOS requirement (9.0 vs 12.0). 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.

火星土豆 ships an update every 2 weeks, Seasons diffuser every 18 months. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 火星土豆 | Seasons diffuser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 18 months |
| Size | 54 MB | 55 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Shiyan Technology Co., Ltd.](https://appshunter.io/developer/1578412106) | [SSAW LLC](https://appshunter.io/developer/1644839757) |

## What reviewers say

### 火星土豆

[App page](https://appshunter.io/ios/app/id1517031514)

**Features:** macOS Compatibility

**In-app purchases:** none


### Seasons diffuser

[App page](https://appshunter.io/ios/app/seasons-diffuser/id1617968782)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 火星土豆 free?

火星土豆 is free to download, with no in-app purchases.

### Is Seasons diffuser free?

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

### Do 火星土豆 or Seasons diffuser have ads?

Neither 火星土豆 nor Seasons diffuser shows ads.

### Which is updated more often, 火星土豆 or Seasons diffuser?

火星土豆 ships an update every 2 weeks, and Seasons diffuser every 18 months. Most recently, 火星土豆 was updated on September 15, 2026 and Seasons diffuser on September 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.*