# Place Value Subtraction vs Square Root Pro

The clearest difference is price: Square Root Pro at Free against Place Value Subtraction's $3.99. Square Root Pro also leads on update cadence (every 8 months vs every 21 months) and ratings volume (3 vs 1). Place Value Subtraction's advantage is ads (none vs shown). On rating, in-app purchases, device support and iOS requirement there is nothing between them.

Square Root Pro is free to download; Place Value Subtraction costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Place Value Subtraction against 5.0 for Square Root Pro. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Place Value Subtraction ships an update every 21 months, Square Root Pro every 8 months. The most recent releases landed on August 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Place Value Subtraction | Square Root Pro |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/place-value-subtraction/id1254467237/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/square-root-pro/id1621600446/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 8 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 0 MB | 30 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [Thomas Bradshaw](https://appshunter.io/developer/1360674639) |

## What reviewers say

### Place Value Subtraction

[App page](https://appshunter.io/ios/app/place-value-subtraction/id1254467237)

This math app visually demonstrates subtraction using place value discs. It helps users understand regrouping and the base-ten system through interactive problems with 1-3 digits.

**Highlights:** Visual subtraction with place value discs, Supports 1-3 digit numbers, Random problem generation, Customizable problems, Focuses on regrouping concepts

**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 Place Value Subtraction free?

Place Value Subtraction costs $3.99, with no in-app purchases.

### Is Square Root Pro free?

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

### Which has better reviews, Place Value Subtraction or Square Root Pro?

Place Value Subtraction and Square Root Pro are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Place Value Subtraction or Square Root Pro have ads?

Square Root Pro shows ads; Place Value Subtraction does not.

### Which is updated more often, Place Value Subtraction or Square Root Pro?

Place Value Subtraction ships an update every 21 months, and Square Root Pro every 8 months. Most recently, Place Value Subtraction was updated on August 22, 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.*