# CPI pro vs Fair VPN

The clearest difference is review sentiment: Fair VPN at 55% against CPI pro's 0%. Fair VPN also leads on rating (4.2 vs 1.0) and ratings volume (1.4K vs 1). CPI pro's advantage is iOS requirement (8.0 vs 12.0). 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.

Fair VPN holds the better App Store score, 4.2 against 1.0. That said, the two scores are not equally well evidenced: Fair VPN has 1.4K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of CPI pro's written reviews are positive against 55% of Fair VPN's.

CPI pro ships an update every 3 weeks, Fair VPN monthly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CPI pro | Fair VPN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/cpi-pro/id1214833658/reviews) | **[4.2 (1.4K ratings)](https://appshunter.io/ios/app/fair-vpn/id1533873488/reviews)** |
| Number of ratings | 1 | **1.4K** |
| Positive reviews | 0.0% of reviews | **54.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 135 MB | 27 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [SHENZHEN MILESEEY TECHNOLOGY CO.LTD](https://appshunter.io/developer/1563678294) | [UltraReach Internet Corp](https://appshunter.io/developer/1533873490) |

## What reviewers say

### CPI pro

[App page](https://appshunter.io/ios/app/cpi-pro/id1214833658)

This utility app allows users to measure distances and sketch floor plans. It can mark dimensions on photos, record data in spreadsheets, and export drawings as photos or PDFs for easy sharing.

**Highlights:** Distance measurement, Floor plan sketching, Marking distances on photos, Data recording in Excel, Export as photo and PDF, Sharing functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### Fair VPN

[App page](https://appshunter.io/ios/app/fair-vpn/id1533873488)

A free VPN client supporting advanced protocols like v2ray, shadowsocks, and trojan. It allows users to add configurations via link or QR code, test server latency, and browse content from sponsors.

**Highlights:** Supports v2ray, shadowsocks, trojan protocols, Add VPN config by link or QR code, Test and sort VPN latency, Browser with swipe navigation, Push notifications for updates

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast and efficient
- 🔒 Secure and private
- 👍 Simple and user-friendly
- 💡 Innovative features

**What reviewers complain about**

- 🐛 Compatibility issues
- 🔋 Battery drain
- ⚠️ Unreliable connections

**Reported bugs**

- Immediate disconnection on M1 Macs
- Incompatibility with certain apps (e.g., Clubhouse)
- Subscription links not working

**Requested features**

- Add subscription link update option
- Support for more protocols (e.g., SSTP, KCP)
- Batch management of configurations
- Customizable settings (e.g., sort by ping, favorite servers)


## Frequently asked questions

### Is CPI pro free?

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

### Is Fair VPN free?

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

### Which has better reviews, CPI pro or Fair VPN?

Fair VPN is rated higher. CPI pro averages 1.0 out of 5 from 1 ratings, while Fair VPN averages 4.2 from 1.4K ratings.

### Do CPI pro or Fair VPN have ads?

Neither CPI pro nor Fair VPN shows ads.

### Which is updated more often, CPI pro or Fair VPN?

CPI pro ships an update every 3 weeks, and Fair VPN monthly. Most recently, CPI pro was updated on October 23, 2026 and Fair VPN on October 24, 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.*