# Williwaw Fan vs TOTP Authenticator

The clearest difference is in-app purchases: Williwaw Fan at none against TOTP Authenticator's 3. Williwaw Fan also leads on device support (4 vs 1) and iOS requirement (10.0 vs 17.0). TOTP Authenticator's advantage is update cadence (every 8 days vs every 4 months). On price and ads there is nothing between them.

Both are free to download. TOTP Authenticator sells 3 in-app purchases, starting at $1.49 per month. Williwaw Fan asks for nothing beyond the download.

Williwaw Fan ships an update every 4 months, TOTP Authenticator every 8 days. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Williwaw Fan | TOTP Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 93 MB | 73 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BIZIGN](https://appshunter.io/developer/1465692862) | [COGNIFLY LTD](https://appshunter.io/developer/1808620132) |

## 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


### TOTP Authenticator

[App page](https://appshunter.io/ios/app/totp-authenticator-2fa/id6804706587)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.49 | per month |
| Annual Premium | $11.99 | per year |
| Lifetime Premium | $24.99 | one-time |


## Frequently asked questions

### Is Williwaw Fan free?

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

### Is TOTP Authenticator free?

TOTP Authenticator is free to download, with in-app purchases available.

### Do Williwaw Fan or TOTP Authenticator have ads?

Neither Williwaw Fan nor TOTP Authenticator shows ads.

### Which is updated more often, Williwaw Fan or TOTP Authenticator?

Williwaw Fan ships an update every 4 months, and TOTP Authenticator every 8 days. Most recently, Williwaw Fan was updated on October 9, 2026 and TOTP Authenticator on October 14, 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.*