# Williwaw Fan vs SUNPILOT

The clearest difference is update cadence: SUNPILOT at every 6 weeks against Williwaw Fan's every 4 months. Williwaw Fan's advantage is device support (4 vs 2) and iOS requirement (10.0 vs 15.6). On price, 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.

Williwaw Fan ships an update every 4 months, SUNPILOT every 6 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Williwaw Fan | SUNPILOT |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 93 MB | 148 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BIZIGN](https://appshunter.io/developer/1465692862) | [Magen ECO-ENERGY INDUSTRIES A.C.S LTD](https://appshunter.io/developer/1651580173) |

## What reviewers say

### Williwaw Fan

[App page](https://appshunter.io/ios/app/williwaw-fan/id1465692863)

Control a "Williwaw" device remotely using your Apple Watch, iPhone, or iPad. Features include thermostat control, convection mode for air circulation, customizable wake-up sounds, and a timer for automatic shut-off.

**Highlights:** Remote control via Apple Watch, iPhone, iPad, Thermostat mode with auto on/off, Convection mode for temperature harmonization, Clock mode with customizable wake-up sounds, Adjustable timer for automatic shut-off

**Features:** macOS Compatibility

**In-app purchases:** none


### SUNPILOT

[App page](https://appshunter.io/ios/app/sunpilot/id6744658576)

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

**In-app purchases:** none


## Frequently asked questions

### Is Williwaw Fan free?

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

### Is SUNPILOT free?

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

### Do Williwaw Fan or SUNPILOT have ads?

Neither Williwaw Fan nor SUNPILOT shows ads.

### Which is updated more often, Williwaw Fan or SUNPILOT?

Williwaw Fan ships an update every 4 months, and SUNPILOT every 6 weeks. Most recently, Williwaw Fan was updated on October 9, 2026 and SUNPILOT on October 15, 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.*