# Wefast Install Assistant vs FourScan

The clearest difference is update cadence: FourScan at every 10 days against Wefast Install Assistant's every 6 months. Wefast Install Assistant's advantage is iOS requirement (12.0 vs 16.0). 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.

Wefast Install Assistant ships an update every 6 months, FourScan every 10 days. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Wefast Install Assistant | FourScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Size | 57 MB | 3 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [继海 宋](https://appshunter.io/developer/782174911) | [satoshi amasaki](https://appshunter.io/developer/1891268722) |

## What reviewers say

### Wefast Install Assistant

[App page](https://appshunter.io/ios/app/wefast-install-assistant/id6504664153)

**Features:** macOS Compatibility

**In-app purchases:** none


### FourScan

[App page](https://appshunter.io/ios/app/fourscan-spy-detector/id6761895107)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wefast Install Assistant free?

Wefast Install Assistant is free to download, with no in-app purchases.

### Is FourScan free?

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

### Do Wefast Install Assistant or FourScan have ads?

Neither Wefast Install Assistant nor FourScan shows ads.

### Which is updated more often, Wefast Install Assistant or FourScan?

Wefast Install Assistant ships an update every 6 months, and FourScan every 10 days. Most recently, Wefast Install Assistant was updated on October 10, 2026 and FourScan on September 29, 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.*