CPI pro vs Fair VPN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CPI pro
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.
- Distance measurement
- Floor plan sketching
- Marking distances on photos
- Data recording in Excel
- Export as photo and PDF
- Sharing functionality
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1. This is an App for Distance Meter 2. It has functions such as sketching up a floor plan, marking distance on onsite photo, recording data in Excel. 3. It exports the drawing as photo, and PDF documents, and share with others.
Fair VPN
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.
- 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
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Free VPN client that supports v2ray, vmess, vless, xtls, trojan, shadowsocks and shadowsocksR protocols. Browser features: - Read content from our sponsors. - Swipe from left or right edge to go back or forward. - Pull down from the top to refresh. - Get push notifications of latest updates. VPN features: - Add VPN config by link or QR code. - Get Free VPN from third parties. - Test VPN latency, sort by latency and delete failed VPN. - Toggle TLS allowInsecure in the VPN config.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | CPI pro | Fair VPN |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.2 (1.4K ratings) — better |
| Positive reviews | 0.0% of reviews | 54.9% of reviews — better |
| Number of ratings | 1 | 1.4K — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 135 MB | 27 MB |
| Age rating | 17+ | 4+ |
| Developer | SHENZHEN MILESEEY TECHNOLOGY CO.LTD | UltraReach Internet Corp |
Customer experience
CPI pro
Fair VPN
Bugs and requests
CPI pro
Not enough reviews yet to summarise bugs or requests.
Fair VPN
Reported bugs
3 issues- Immediate disconnection on M1 Macs
- Incompatibility with certain apps (e.g., Clubhouse)
- Subscription links not working
Requested features
4 requests- 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)
In-app purchases
CPI pro
No in-app purchases
Fair VPN
No in-app purchases









