# Column Subtraction vs Column Math Solver for schools

The clearest difference is price: Column Math Solver for schools at Free against Column Subtraction's $3.99. Column Math Solver for schools also leads on rating (4.5 vs 4.3). Column Subtraction's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume, update cadence, device support and iOS requirement there is nothing between them.

Column Math Solver for schools is free to download; Column Subtraction costs $3.99 up front. Column Math Solver for schools sells 1 one-off in-app purchase. Column Subtraction asks for nothing beyond the download.

Column Math Solver for schools holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 6 and 6 respectively.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Column Subtraction | Column Math Solver for schools |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/column-subtraction/id341040894/reviews) | **[4.5 (6 ratings)](https://appshunter.io/ios/app/column-math-solver-for-schools/id6744105516/reviews)** |
| Number of ratings | 6 | 6 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 19 MB | 157 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [Sergey Dubovitsky](https://appshunter.io/developer/1176840932) |

## What reviewers say

### Column Subtraction

[App page](https://appshunter.io/ios/app/column-subtraction/id341040894)

This educational app teaches and reinforces the column subtraction method. It offers an interactive interface with customizable settings for solving random or custom problems. The app includes a puzzle feature that unlocks as users solve math problems.

**Highlights:** Column subtraction method teaching, Interactive and customizable interface, Random and custom problem solving, Adjustable number of digits, Step-by-step renaming animation, Picture puzzle reward system

**Features:** macOS Compatibility

**In-app purchases:** none


### Column Math Solver for schools

[App page](https://appshunter.io/ios/app/column-math-solver-for-schools/id6744105516)

This app provides step-by-step guidance for middle school students on column methods for addition, subtraction, multiplication, and division. It offers interactive tutorials, practice exercises with feedback, and progress tracking to enhance arithmetic skills.

**Highlights:** Step-by-step guidance for arithmetic operations, Interactive tutorials, Practice exercises with instant feedback, Progress tracking, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable advertising | $0.99 | one-time |


## Frequently asked questions

### Is Column Subtraction free?

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

### Is Column Math Solver for schools free?

Column Math Solver for schools is free to download, with in-app purchases available.

### Which has better reviews, Column Subtraction or Column Math Solver for schools?

Column Math Solver for schools is rated higher. Column Subtraction averages 4.3 out of 5 from 6 ratings, while Column Math Solver for schools averages 4.5 from 6 ratings.

### Do Column Subtraction or Column Math Solver for schools have ads?

Column Math Solver for schools shows ads; Column Subtraction does not.

### Which is updated more often, Column Subtraction or Column Math Solver for schools?

Column Subtraction ships an update every 8 months, and Column Math Solver for schools every 8 months. Most recently, Column Subtraction was updated on October 8, 2026 and Column Math Solver for schools on October 13, 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.*