# Emprendiendo con el REF vs Column Math Solver for schools

The clearest difference is in-app purchases: Emprendiendo con el REF at none against Column Math Solver for schools's 1. Emprendiendo con el REF also leads on ads (none vs shown) and update cadence (every 2 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. Emprendiendo con el REF asks for nothing beyond the download.

Emprendiendo con el REF ships an update every 2 days, Column Math Solver for schools every 8 months. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Emprendiendo con el REF | 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 2 days** | Every 8 months |
| Monetization | — | Free with in-app purchases |
| Size | 37 MB | 157 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [BISNES PROMOCION Y VENTA 2016, S.L.](https://appshunter.io/developer/1273573010) | [Sergey Dubovitsky](https://appshunter.io/developer/1176840932) |

## What reviewers say

### Emprendiendo con el REF

[App page](https://appshunter.io/ios/app/emprendiendo-con-el-ref/id6739288681)

**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 Emprendiendo con el REF free?

Emprendiendo con el REF 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 Emprendiendo con el REF or Column Math Solver for schools have ads?

Column Math Solver for schools shows ads; Emprendiendo con el REF does not.

### Which is updated more often, Emprendiendo con el REF or Column Math Solver for schools?

Emprendiendo con el REF ships an update every 2 days, and Column Math Solver for schools every 8 months. Most recently, Emprendiendo con el REF was updated on September 17, 2026 and Column Math Solver for schools on September 27, 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.*