# Main Idea vs Intelligence Test

The clearest difference is price: Intelligence Test at Free against Main Idea's $6.99. Main Idea's advantage is ads (none vs shown) and iOS requirement (12.2 vs 15.1). On update cadence, in-app purchases and device support there is nothing between them.

Intelligence Test 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, Intelligence Test every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Main Idea | Intelligence Test |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | Paid | — |
| Size | 22 MB | 42 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Nagy Solaiman](https://appshunter.io/developer/6809016106) |

## 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


### Intelligence Test

[App page](https://appshunter.io/ios/app/intelligence-test-iq-scale/id6782981607)

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

**In-app purchases:** none


## Frequently asked questions

### Is Main Idea free?

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

### Is Intelligence Test free?

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

### Do Main Idea or Intelligence Test have ads?

Intelligence Test shows ads; Main Idea does not.

### Which is updated more often, Main Idea or Intelligence Test?

Main Idea ships an update every 3 months, and Intelligence Test every 4 months. Most recently, Main Idea was updated on October 24, 2026 and Intelligence Test on October 24, 2026.

---

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