# Siding Calculator Pro vs SupplyDen

The clearest difference is in-app purchases: SupplyDen at none against Siding Calculator Pro's 3. Siding Calculator Pro's advantage is update cadence (daily vs every 5 days) and iOS requirement (13.4 vs 15.0). On price, ads and device support there is nothing between them.

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

Siding Calculator Pro ships an update daily, SupplyDen every 5 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Siding Calculator Pro | SupplyDen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/siding-calculator-pro/id6758004489/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 35 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Anna Filobok](https://appshunter.io/developer/1613515832) | [Jose Ismael Ortiz Santiago](https://appshunter.io/developer/1895986198) |

## What reviewers say

### Siding Calculator Pro

[App page](https://appshunter.io/ios/app/siding-calculator-pro/id6758004489)

This tool simplifies siding calculations by instantly converting between imperial and metric units. It calculates wall and gable areas, accounts for doors and windows, and estimates material costs. Users can also convert currencies and determine siding material based on various dimensions.

**Highlights:** Real-time unit conversion (imperial/metric), Instant area calculation for walls and gables, Deducts areas for doors and windows, Estimates material cost per square, Integrated currency converter, Supports multiple input and output units

**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 |


### SupplyDen

[App page](https://appshunter.io/ios/app/supplyden/id6765541283)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Siding Calculator Pro free?

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

### Is SupplyDen free?

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

### Do Siding Calculator Pro or SupplyDen have ads?

Neither Siding Calculator Pro nor SupplyDen shows ads.

### Which is updated more often, Siding Calculator Pro or SupplyDen?

Siding Calculator Pro ships an update daily, and SupplyDen every 5 days. Most recently, Siding Calculator Pro was updated on October 24, 2026 and SupplyDen on October 14, 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.*