# Column Addition vs ScholarScan AI Solver

The clearest difference is price: ScholarScan AI Solver at Free against Column Addition's $3.99. ScholarScan AI Solver also leads on iOS requirement (13.0 vs 17.6). Column Addition's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and device support there is nothing between them.

ScholarScan AI Solver is free to download; Column Addition costs $3.99 up front. ScholarScan AI Solver sells 3 in-app purchases, starting at $1.99 per 7 days. Column Addition asks for nothing beyond the download.

Column Addition ships an update every 8 months, ScholarScan AI Solver every 6 months. The most recent releases landed on October 8, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Column Addition | ScholarScan AI Solver |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/column-addition/id339440193/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 6 months** |
| Monetization | Paid | — |
| Size | 15 MB | 49 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [Tin Tran](https://appshunter.io/developer/1618880685) |

## What reviewers say

### Column Addition

[App page](https://appshunter.io/ios/app/column-addition/id339440193)

This educational app teaches and reinforces the column addition method with an interactive interface. Users can solve custom or random problems with adjustable number sizes and receive visual feedback on their progress. It includes optional jigsaw puzzles as a reward for solving problems.

**Highlights:** Interactive column addition learning, Customizable number of digits, Random and custom problem generation, Visual feedback and animations, Optional jigsaw puzzles, Adjustable interface colors and animations

**Features:** macOS Compatibility

**In-app purchases:** none


### ScholarScan AI Solver

[App page](https://appshunter.io/ios/app/scholarscan-ai-solver/id6502924821)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $5.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Column Addition free?

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

### Is ScholarScan AI Solver free?

ScholarScan AI Solver is free to download, with in-app purchases available.

### Do Column Addition or ScholarScan AI Solver have ads?

ScholarScan AI Solver shows ads; Column Addition does not.

### Which is updated more often, Column Addition or ScholarScan AI Solver?

Column Addition ships an update every 8 months, and ScholarScan AI Solver every 6 months. Most recently, Column Addition was updated on October 8, 2026 and ScholarScan AI Solver on October 20, 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.*