# Main Idea vs Sentence Maker App

The clearest difference is review sentiment: Main Idea at 71% against Sentence Maker App's 0%. Main Idea also leads on update cadence (every 3 months vs every 114 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Main Idea sells 3 one-off in-app purchases and Sentence Maker App sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Main Idea ships an update every 3 months, Sentence Maker App every 114 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Main Idea | Sentence Maker App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (19 ratings)](https://appshunter.io/ios/app/main-idea-sentences/id895683482/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | **71.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 114 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 100 MB |
| Requires iOS | **12.2** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Blooming Kids Software LLC](https://appshunter.io/developer/501015942) |

## What reviewers say

### 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 |


### Sentence Maker App

[App page](https://appshunter.io/ios/app/sentence-maker-app/id1130780720)

This educational app guides students through building words from letters and then constructing sentences. It progresses from ordered letters to scrambled ones, incorporating distractors for a comprehensive learning experience. The program features 24 chapters with five core subjects to reinforce word and sentence formation.

**Highlights:** Build words from letters, Form sentences from words, Scrambled letter exercises, Letter distractors, 24 learning chapters, Five core subjects

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sentence Maker | $9.99 | one-time |


## Frequently asked questions

### Is Main Idea free?

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

### Is Sentence Maker App free?

Sentence Maker App is free to download, with in-app purchases available.

### Do Main Idea or Sentence Maker App have ads?

Neither Main Idea nor Sentence Maker App shows ads.

### Which is updated more often, Main Idea or Sentence Maker App?

Main Idea ships an update every 3 months, and Sentence Maker App every 114 months. Most recently, Main Idea was updated on October 17, 2026 and Sentence Maker App on October 3, 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.*