# First Categories vs Square Root Pro

The clearest difference is price: Square Root Pro at Free against First Categories's $1.99. First Categories's advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.6). On update cadence, in-app purchases and device support there is nothing between them.

Square Root Pro is free to download; First Categories costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

First Categories ships an update every 15 months, Square Root Pro every 8 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | First Categories | Square Root Pro |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/square-root-pro/id1621600446/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 8 months** |
| Monetization | — | Ad-supported |
| Size | 36 MB | 30 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [RJ Cooper & Associates, Inc.](https://appshunter.io/developer/412790299) | [Thomas Bradshaw](https://appshunter.io/developer/1360674639) |

## What reviewers say

### First Categories

[App page](https://appshunter.io/ios/app/first-categories-point-to-pics/id1339979107)

**Features:** macOS Compatibility

**In-app purchases:** none


### Square Root Pro

[App page](https://appshunter.io/ios/app/square-root-pro/id1621600446)

This app helps you mentally calculate square roots to two decimal places. It supports multiple languages and an internationalized numeric system for global users.

**Highlights:** Mental square root calculation, Accuracy to 2 decimal places, Multilingual support (English, Spanish, French, German, Chinese), Internationalized numeric system, Educational tool for math and science

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

**In-app purchases:** none


## Frequently asked questions

### Is First Categories free?

First Categories costs $1.99, with no in-app purchases.

### Is Square Root Pro free?

Square Root Pro is free to download, with no in-app purchases.

### Do First Categories or Square Root Pro have ads?

Square Root Pro shows ads; First Categories does not.

### Which is updated more often, First Categories or Square Root Pro?

First Categories ships an update every 15 months, and Square Root Pro every 8 months. Most recently, First Categories was updated on October 3, 2026 and Square Root Pro on October 8, 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.*