# Azure Pro vs RAID Calc2

The clearest difference is price: RAID Calc2 at Free against Azure Pro's $9.99. Azure Pro's advantage is iOS requirement (13.0 vs 26.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

RAID Calc2 is free to download; Azure Pro costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Azure Pro ships an update every 4 months, RAID Calc2 every 5 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Azure Pro | RAID Calc2 |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Paid | — |
| Size | 18 MB | 7 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jason Chin](https://appshunter.io/developer/1488251943) | [Todd Greco](https://appshunter.io/developer/395601656) |

## What reviewers say

### Azure Pro

[App page](https://appshunter.io/ios/app/azure-pro/id1492040207)

This professional tool combines two popular Feng Shui systems, San Yuan Xuan Kong Flying Star and Eight Mansion, into a single app. It functions as a powerful Feng Shui compass, allowing users to instantly plot property charts, forecast annual luck, and maximize potential.

**Highlights:** San Yuan Xuan Kong Flying Star analysis, Eight Mansion Feng Shui analysis, Instant property chart plotting, Annual Flying Star display, Luck forecasting, Annual activation planning

**Features:** Vision Pro support

**In-app purchases:** none


### RAID Calc2

[App page](https://appshunter.io/ios/app/raid-calc2/id6755641457)

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

**In-app purchases:** none


## Frequently asked questions

### Is Azure Pro free?

Azure Pro costs $9.99, with no in-app purchases.

### Is RAID Calc2 free?

RAID Calc2 is free to download, with no in-app purchases.

### Do Azure Pro or RAID Calc2 have ads?

Neither Azure Pro nor RAID Calc2 shows ads.

### Which is updated more often, Azure Pro or RAID Calc2?

Azure Pro ships an update every 4 months, and RAID Calc2 every 5 months. Most recently, Azure Pro was updated on October 26, 2026 and RAID Calc2 on October 25, 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.*