# seatHeater vs SKF云图

The clearest difference is iOS requirement: seatHeater at 11.0 against SKF云图's 13.0. 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.

seatHeater ships an update every 3 weeks, SKF云图 monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | seatHeater | SKF云图 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 15 MB | 41 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [金龙 张](https://appshunter.io/developer/1466766464) | [SKF (China) Co., Ltd.](https://appshunter.io/developer/1716830479) |

## What reviewers say

### seatHeater

[App page](https://appshunter.io/ios/app/seatheater/id6459304316)

**Features:** macOS Compatibility

**In-app purchases:** none


### SKF云图

[App page](https://appshunter.io/ios/app/skf/id6472242332)

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

**In-app purchases:** none


## Frequently asked questions

### Is seatHeater free?

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

### Is SKF云图 free?

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

### Do seatHeater or SKF云图 have ads?

Neither seatHeater nor SKF云图 shows ads.

### Which is updated more often, seatHeater or SKF云图?

seatHeater ships an update every 3 weeks, and SKF云图 monthly. Most recently, seatHeater was updated on November 3, 2026 and SKF云图 on October 30, 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.*