# Roofing Calculator Pro vs EVOReady

The clearest difference is in-app purchases: EVOReady at none against Roofing Calculator Pro's 3. EVOReady also leads on update cadence (monthly vs every 17 months). Roofing Calculator Pro's advantage is iOS requirement (13.4 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Roofing Calculator Pro sells 3 in-app purchases, starting at $0.99 per 7 days. EVOReady asks for nothing beyond the download.

Roofing Calculator Pro ships an update every 17 months, EVOReady monthly. The most recent releases landed on August 25, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Roofing Calculator Pro | EVOReady |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (37 ratings)](https://appshunter.io/ios/app/roofing-calculator-pro/id1637848178/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 52 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Anna Filobok](https://appshunter.io/developer/1613515832) | [Ningbo Rayonics Technology Co.,Ltd.](https://appshunter.io/developer/1561103100) |

## What reviewers say

### Roofing Calculator Pro

[App page](https://appshunter.io/ios/app/roofing-calculator-pro/id1637848178)

This tool quickly calculates roofing pitch, rafter length, and roof area. It seamlessly converts between imperial and metric units in real-time, supporting various input and output formats for measurements.

**Highlights:** Real-time unit conversion (imperial/metric), Calculate roof pitch, Calculate rafter length, Calculate roof area, Supports degrees, radians, percents for pitch, Supports meters, cm, inches, feet for lengths

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per 7 days |
| Premium Access | $1.99 | per month |
| Premium Access | $5.99 | per year |


### EVOReady

[App page](https://appshunter.io/ios/app/evoready/id6451922019)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Roofing Calculator Pro free?

Roofing Calculator Pro is free to download, with in-app purchases available.

### Is EVOReady free?

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

### Do Roofing Calculator Pro or EVOReady have ads?

Neither Roofing Calculator Pro nor EVOReady shows ads.

### Which is updated more often, Roofing Calculator Pro or EVOReady?

Roofing Calculator Pro ships an update every 17 months, and EVOReady monthly. Most recently, Roofing Calculator Pro was updated on August 25, 2026 and EVOReady on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*