# Main Idea vs MultiplyDivide

The clearest difference is price: MultiplyDivide at Free against Main Idea's $6.99. Main Idea's advantage is iOS requirement (12.2 vs 14.4). On update cadence, ads, in-app purchases and device support there is nothing between them.

MultiplyDivide is free to download; Main Idea costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Main Idea ships an update every 3 months, MultiplyDivide every 2 months. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Main Idea | MultiplyDivide |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/main-ideasentences/id895686005/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 22 MB | 4 MB |
| Requires iOS | **12.2** | 14.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Sagen Johnson](https://appshunter.io/developer/1390953345) |

## What reviewers say

### Main Idea

[App page](https://appshunter.io/ios/app/main-ideasentences/id895686005)

This app helps children in grades 2-5 improve their reading comprehension by teaching them to identify the main idea of sentences. It uses a fun, game-like environment with step-by-step learning and a reward system to keep kids motivated.

**Highlights:** Step-by-step skill building, Incremental learning with unlocked levels, Frustration-free guided learning, Engaging reward center, Parental review and reporting, Over 600 examples, Timed levels for fluency

**Features:** macOS Compatibility

**In-app purchases:** none


### MultiplyDivide

[App page](https://appshunter.io/ios/app/multiplydivide/id1570588024)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Main Idea free?

Main Idea costs $6.99, with no in-app purchases.

### Is MultiplyDivide free?

MultiplyDivide is free to download, with no in-app purchases.

### Do Main Idea or MultiplyDivide have ads?

Neither Main Idea nor MultiplyDivide shows ads.

### Which is updated more often, Main Idea or MultiplyDivide?

Main Idea ships an update every 3 months, and MultiplyDivide every 2 months. Most recently, Main Idea was updated on September 8, 2026 and MultiplyDivide on September 14, 2026.

---

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