# Main Idea vs 1600 AR

The clearest difference is rating: 1600 AR at 4.5 against Main Idea's 3.8. 1600 AR also leads on in-app purchases (none vs 3) and review sentiment (100% vs 71%). Main Idea's advantage is ratings volume (19 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Main Idea sells 3 one-off in-app purchases. 1600 AR asks for nothing beyond the download.

1600 AR holds the better App Store score, 4.5 against 3.8. That said, the two scores are not equally well evidenced: Main Idea has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 71% of Main Idea's written reviews are positive against 100% of 1600 AR's.

## The numbers

| Metric | Main Idea | 1600 AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (19 ratings)](https://appshunter.io/ios/app/main-idea-sentences/id895683482/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/1600-ar/id1320884218/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 22 MB | 244 MB |
| Requires iOS | 12.2 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janine Toole](https://appshunter.io/developer/839832427) | [Nexus Productions](https://appshunter.io/developer/473958675) |

## 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 |


### 1600 AR

[App page](https://appshunter.io/ios/app/1600-ar/id1320884218)

Explore the White House and its role in democracy through an augmented reality experience. Point your device at a one-dollar bill to unlock interactive content and learn about American history in a fun, engaging way for all ages.

**Highlights:** Augmented reality exploration, Interactive White House content, Learn about democracy and history, Engaging for all ages, Uses one-dollar bill as a marker

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Main Idea free?

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

### Is 1600 AR free?

1600 AR is free to download, with no in-app purchases.

### Which has better reviews, Main Idea or 1600 AR?

1600 AR is rated higher. Main Idea averages 3.8 out of 5 from 19 ratings, while 1600 AR averages 4.5 from 2 ratings.

### Do Main Idea or 1600 AR have ads?

Neither Main Idea nor 1600 AR shows ads.

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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.*