First Categories vs Square Root Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
First Categories
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The Point To Pictures, & Scan To Pictures (for switch(es)), series are specifically designed to help those that need help understanding the art of communication, or the value/function of an AAC app/system. They are based on the premise that those learners falling in this range need comprehensive work on basic understanding, or, at least, practice in implementing such understanding. First Categories allows simple Branching between simple communication boards.
Square Root Pro
This app helps you mentally calculate square roots to two decimal places. It supports multiple languages and an internationalized numeric system for global users.
- 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
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Square roots are often found in math & science and quick calculation is sometimes necessary in order to tackle common questions. This app teaches you mentally calculate square roots to reasonable accuracy (2 decimal places). Switch easily between English, Spanish, French, German & Chinese (Mandarin). Fully internationalized numeric system.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | First Categories | Square Root Pro |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 15 months | Every 8 months — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 36 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | RJ Cooper & Associates, Inc. | Thomas Bradshaw |
In-app purchases
First Categories
No in-app purchases
Square Root Pro
No in-app purchases
Questions
Is First Categories free?
Is Square Root Pro free?
Do First Categories or Square Root Pro have ads?
Which is updated more often, First Categories or Square Root Pro?
Other comparisons
