# Open The Earth vs Gray Line

The clearest difference is price: Gray Line at Free against Open The Earth's $19.99. Gray Line also leads on ratings volume (22 vs 1). Open The Earth's advantage is iOS requirement (12.0 vs 17.6). On rating, ads, in-app purchases and device support there is nothing between them.

Gray Line is free to download; Open The Earth costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Open The Earth against 4.9 for Gray Line. That said, the two scores are not equally well evidenced: Gray Line has 22 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Open The Earth | Gray Line |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/open-the-earth/id6480525203/reviews)** | [4.9 (22 ratings)](https://appshunter.io/ios/app/gray-line/id6771726549/reviews) |
| Number of ratings | 1 | **22** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | Paid | **Free** |
| Size | 57 MB | 68 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [BIBS LLC](https://appshunter.io/developer/1739395178) | [Gray Line Corporation](https://appshunter.io/developer/6771726551) |

## What reviewers say

### Open The Earth

[App page](https://appshunter.io/ios/app/open-the-earth/id6480525203)

Discover Utah's geology with this app, perfect for road trips and exploring national parks. Features over 120 narrated audio guides, written summaries, and routing to geological points of interest. Includes an optional narrated hike.

**Highlights:** 120+ narrated geology guides, Road trip planning, Explore Mode with notifications, Downloadable content for offline use, At Home Mode for listening anywhere, Narrated hike guide, Written summaries and routing

**Features:** macOS Compatibility

**In-app purchases:** none


### Gray Line

[App page](https://appshunter.io/ios/app/gray-line/id6771726549)

Access detailed tour information, receive real-time itinerary updates, and connect with customer support. Book future adventures and explore descriptions and photos of all tour stops.

**Highlights:** Detailed tour highlights, Customer support chat, Real-time itinerary notifications, Descriptions and photos of stops, Book future tours

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

**In-app purchases:** none


## Frequently asked questions

### Is Open The Earth free?

Open The Earth costs $19.99, with no in-app purchases.

### Is Gray Line free?

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

### Which has better reviews, Open The Earth or Gray Line?

Open The Earth is rated higher. Open The Earth averages 5.0 out of 5 from 1 ratings, while Gray Line averages 4.9 from 22 ratings.

### Do Open The Earth or Gray Line have ads?

Neither Open The Earth nor Gray Line 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.*