# MathTappers vs Main Idea

The clearest difference is review sentiment: Main Idea at 71% against MathTappers's 25%. Main Idea also leads on rating (3.7 vs 3.0) and update cadence (every 3 months vs every 33 months). MathTappers's advantage is in-app purchases (none vs 3). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Main Idea sells 3 one-off in-app purchases. MathTappers asks for nothing beyond the download.

Main Idea holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 10 and 18 respectively. Written reviews point the same way: 25% of MathTappers's written reviews are positive against 71% of Main Idea's.

MathTappers ships an update every 33 months, Main Idea every 3 months. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | MathTappers | Main Idea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (10 ratings)](https://appshunter.io/ios/app/mathtappers-equivalents/id446293651/reviews) | **[3.7 (18 ratings)](https://appshunter.io/ios/app/main-idea-sentences/id895683482/reviews)** |
| Number of ratings | 10 | **18** |
| Positive reviews | 25.0% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 22 MB |
| Requires iOS | 13.0 | **12.2** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Smith](https://appshunter.io/developer/292463291) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### MathTappers

[App page](https://appshunter.io/ios/app/mathtappers-equivalents/id446293651)

This educational game helps students master equivalent fractions, decimals, and percents. It offers visual aids like number lines, grids, and pie charts to support understanding. Designed by math educators, it aims to make learning math concepts accessible and engaging.

**Highlights:** Match equivalent fractions, decimals, and percents, Visual aids: numberline, 100-grid, pie chart, Designed by math educators and researchers, Supports student understanding of mathematical concepts, Focuses on specific math skills

**Features:** macOS Compatibility

**In-app purchases:** none


### Main Idea

[App page](https://appshunter.io/ios/app/main-idea-sentences/id895683482)

This app helps children in grades 2-5 develop reading comprehension skills by focusing on identifying the main idea of sentences. It uses a fun, game-like approach with step-by-step learning and rewards to keep kids motivated. Designed by educators, it's suitable for both typical and special needs children.

**Highlights:** Step-by-step skill building, Game-like environment, Frustration-free learning, Reward Center for motivation, Parental review and reporting, Over 600 examples, Designed by teachers and researchers

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to 2 Users | $1.99 | one-time |
| Access All Levels | $2.99 | one-time |
| Up to 10 Users | $2.99 | one-time |


## Frequently asked questions

### Is MathTappers free?

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

### Is Main Idea free?

Main Idea is free to download, with in-app purchases available.

### Which has better reviews, MathTappers or Main Idea?

Main Idea is rated higher. MathTappers averages 3.0 out of 5 from 10 ratings, while Main Idea averages 3.7 from 18 ratings.

### Do MathTappers or Main Idea have ads?

Neither MathTappers nor Main Idea shows ads.

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

MathTappers ships an update every 33 months, and Main Idea every 3 months. Most recently, MathTappers was updated on November 1, 2026 and Main Idea on November 8, 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.*