# Flat Earth Pro vs Content Quality Index

The clearest difference is price: Content Quality Index at Free against Flat Earth Pro's $3.99. Flat Earth Pro's advantage is in-app purchases (none vs 4) and ratings volume (117 vs 3). On rating, ads and device support there is nothing between them.

Content Quality Index is free to download; Flat Earth Pro costs $3.99 up front. Content Quality Index sells 4 in-app purchases, starting at $4.99 per month. Flat Earth Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Flat Earth Pro against 5.0 for Content Quality Index. That said, the two scores are not equally well evidenced: Flat Earth Pro has 117 ratings behind it against 3, so its average is the more settled of the two.

## The numbers

| Metric | Flat Earth Pro | Content Quality Index |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.9 (117 ratings)](https://appshunter.io/ios/app/flat-earth-pro/id1664580677/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/content-quality-index/id6757832161/reviews)** |
| Number of ratings | **117** | 3 |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | **#148** | — |
| Size | 224 MB | 55 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Othman Alzahrani](https://appshunter.io/developer/1664580679) | [JOSHUA MICHAEL JOHNSON](https://appshunter.io/developer/1869185009) |

## What reviewers say

### Flat Earth Pro

[App page](https://appshunter.io/ios/app/flat-earth-pro/id1664580677)

**Currently charting:** #148 Top Paid · Education (US App Store)

Visualize celestial body positions, daylight coverage, and moon phases on an Earth projection. Explore sun and moon overhead positions, rise/set times, and lunar details. Features offline functionality and a local weather forecast.

**Highlights:** Daylight coverage visualization, Sun and moon overhead positions, Rise and set times, Moon phases and libration, Offline functionality, Local weather forecast

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

**In-app purchases:** none


### Content Quality Index

[App page](https://appshunter.io/ios/app/content-quality-index/id6757832161)

This app provides users with insights into the quality and transparency of online video content. It analyzes videos to present structured signals focusing on sourcing, disclosure, and information presentation, helping users evaluate credibility and context.

**Highlights:** Analyze online video content, View structured quality signals, Focus on sourcing and disclosure, Evaluate credibility and context, Clear, easy-to-read results, Content quality score

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CQI Subscriber | $4.99 | per month |
| CQI Subscriber | $6.99 | per month |
| CQI Content Creator | $7.99 | per month |
| CQI Content Creator | $9.99 | per month |


## Frequently asked questions

### Is Flat Earth Pro free?

Flat Earth Pro costs $3.99, with no in-app purchases.

### Is Content Quality Index free?

Content Quality Index is free to download, with in-app purchases available.

### Which has better reviews, Flat Earth Pro or Content Quality Index?

Content Quality Index is rated higher. Flat Earth Pro averages 4.9 out of 5 from 117 ratings, while Content Quality Index averages 5.0 from 3 ratings.

### Do Flat Earth Pro or Content Quality Index have ads?

Neither Flat Earth Pro nor Content Quality Index 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.*