# Column Subtraction vs Subitize This!

The clearest difference is review sentiment: Column Subtraction at 67% against Subitize This!'s 0%. Column Subtraction also leads on rating (4.3 vs 1.0) and ratings volume (6 vs 1). Subitize This!'s advantage is price (Free vs $3.99) and iOS requirement (10.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Subitize This! is free to download; Column Subtraction costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Column Subtraction holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Column Subtraction has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Column Subtraction's written reviews are positive against 0% of Subitize This!'s.

Column Subtraction ships an update every 8 months, Subitize This! every 7 months. The most recent releases landed on October 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Column Subtraction | Subitize This! |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/column-subtraction/id341040894/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/subitize-this/id1125721532/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 19 MB | 36 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [Classroom Focused Software](https://appshunter.io/developer/406741679) |

## 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


### Subitize This!

[App page](https://appshunter.io/ios/app/subitize-this/id1125721532)

This app helps young children aged 4-7 develop their subitizing skills by practicing recognizing quantities from 1 to 5. It offers options for showing patterns in sets of 4, 6, or 8, with a timer and feedback for responses.

**Highlights:** Subitizing practice 1-5 elements, Options for sets of 4, 6, or 8, Includes a timer, Provides feedback on responses, Designed for ages 4-7

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Column Subtraction free?

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

### Is Subitize This! free?

Subitize This! is free to download, with no in-app purchases.

### Which has better reviews, Column Subtraction or Subitize This!?

Column Subtraction is rated higher. Column Subtraction averages 4.3 out of 5 from 6 ratings, while Subitize This! averages 1.0 from 1 ratings.

### Do Column Subtraction or Subitize This! have ads?

Neither Column Subtraction nor Subitize This! shows ads.

### Which is updated more often, Column Subtraction or Subitize This!?

Column Subtraction ships an update every 8 months, and Subitize This! every 7 months. Most recently, Column Subtraction was updated on October 8, 2026 and Subitize This! on September 23, 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.*