# 4 vs Column Math Solver for schools

The clearest difference is in-app purchases: 4 at none against Column Math Solver for schools's 1. 4 also leads on ads (none vs shown) and update cadence (every 4 days vs every 8 months). On price and device support there is nothing between them.

Both are free to download. Column Math Solver for schools sells 1 one-off in-app purchase. 4 asks for nothing beyond the download.

4 ships an update every 4 days, Column Math Solver for schools every 8 months. The most recent releases landed on October 6, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 4 | Column Math Solver for schools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (6 ratings)](https://appshunter.io/ios/app/column-math-solver-for-schools/id6744105516/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 8 months |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 157 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kevin Holmes](https://appshunter.io/developer/1525696513) | [Sergey Dubovitsky](https://appshunter.io/developer/1176840932) |

## What reviewers say

### 4

[App page](https://appshunter.io/ios/app/4-mation/id1525696511)

**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 4 free?

4 is free to download, 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.

### Do 4 or Column Math Solver for schools have ads?

Column Math Solver for schools shows ads; 4 does not.

### Which is updated more often, 4 or Column Math Solver for schools?

4 ships an update every 4 days, and Column Math Solver for schools every 8 months. Most recently, 4 was updated on October 6, 2026 and Column Math Solver for schools on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*