# Kaidu Config vs VPN Forever

The clearest difference is in-app purchases: Kaidu Config at none against VPN Forever's 2. Kaidu Config also leads on ads (none vs shown). VPN Forever's advantage is update cadence (every 4 days vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. VPN Forever sells 2 in-app purchases, starting at $3.99 per 7 days. Kaidu Config asks for nothing beyond the download.

Kaidu Config ships an update every 7 months, VPN Forever every 4 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Kaidu Config | VPN Forever |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kaidu-config/id1598671114/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 31 MB | 22 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [deepPiXEL Inc](https://appshunter.io/developer/1537195780) | [Gowalk Inc.](https://appshunter.io/developer/1649775469) |

## What reviewers say

### Kaidu Config

[App page](https://appshunter.io/ios/app/kaidu-config/id1598671114)

Configure advanced smart sensors for data transmission to the cloud. This utility allows users to set up Wi-Fi configurations for their smart sensor devices. Visit the website for a comprehensive user manual.

**Highlights:** Configure smart sensors, Send data to the cloud, Set up Wi-Fi settings, Advanced smart sensor devices, User manual access

**Features:** macOS Compatibility

**In-app purchases:** none


### VPN Forever

[App page](https://appshunter.io/ios/app/vpn-forever-fast-proxy-server/id6447055172)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | per 7 days |
| Premium | $6.99 | per month |


## Frequently asked questions

### Is Kaidu Config free?

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

### Is VPN Forever free?

VPN Forever is free to download, with in-app purchases available.

### Do Kaidu Config or VPN Forever have ads?

VPN Forever shows ads; Kaidu Config does not.

### Which is updated more often, Kaidu Config or VPN Forever?

Kaidu Config ships an update every 7 months, and VPN Forever every 4 days. Most recently, Kaidu Config was updated on November 3, 2026 and VPN Forever on November 3, 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.*