# Ancient Script Identifier vs DuctSizer Pro

The clearest difference is in-app purchases: Ancient Script Identifier at none against DuctSizer Pro's 1. Ancient Script Identifier also leads on iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. DuctSizer Pro sells 1 one-off in-app purchase. Ancient Script Identifier asks for nothing beyond the download.

## The numbers

| Metric | Ancient Script Identifier | DuctSizer Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ductsizer-pro/id6772545249/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 45 MB | 5 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ENGIN KUTUK](https://appshunter.io/developer/1823697018) | [LEONARDO NOVOA](https://appshunter.io/developer/6772526007) |

## What reviewers say

### Ancient Script Identifier

[App page](https://appshunter.io/ios/app/ancient-script-identifier/id6760339565)

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

**In-app purchases:** none


### DuctSizer Pro

[App page](https://appshunter.io/ios/app/ductsizer-pro/id6772545249)

This tool quickly calculates HVAC duct sizes based on airflow and friction loss. It supports various duct shapes and provides key airflow values for field use.

**Highlights:** Calculate CFM from duct size, Find duct sizes from CFM, Supports square, round, and oval duct, Shows velocity, friction, area, and equivalent round size, Highlights suggested duct sizes, Compares alternate duct sizes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Catalog Pro | $2.99 | one-time |


## Frequently asked questions

### Is Ancient Script Identifier free?

Ancient Script Identifier is free to download, with no in-app purchases.

### Is DuctSizer Pro free?

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

### Do Ancient Script Identifier or DuctSizer Pro have ads?

Neither Ancient Script Identifier nor DuctSizer Pro shows ads.

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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.*