# Eclipse Nav vs Great Circle Miles Calculator

The clearest difference is iOS requirement: Eclipse Nav at 17.6 against Great Circle Miles Calculator's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 28, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Eclipse Nav | Great Circle Miles Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (8 ratings)](https://appshunter.io/ios/app/great-circle-miles-calculator/id6743672575/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free |
| Size | 32 MB | 7 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Doug Pedrick](https://appshunter.io/developer/1710299278) | [Christian Mortensen](https://appshunter.io/developer/1460037458) |

## What reviewers say

### Eclipse Nav

[App page](https://appshunter.io/ios/app/eclipse-nav/id6468613929)

**In-app purchases:** none


### Great Circle Miles Calculator

[App page](https://appshunter.io/ios/app/great-circle-miles-calculator/id6743672575)

Calculate exact flight distances between any two airports globally. Visualize routes on an interactive map, perfect for frequent flyers tracking loyalty program miles. The app works offline, allowing calculations anywhere.

**Highlights:** Global airport search, Real flight path visualization, Precise distance measurement, Offline functionality, Loyalty program mile tracking

**In-app purchases:** none


## Frequently asked questions

### Is Eclipse Nav free?

Eclipse Nav is free to download, with no in-app purchases.

### Is Great Circle Miles Calculator free?

Great Circle Miles Calculator is free to download, with no in-app purchases.

### Do Eclipse Nav or Great Circle Miles Calculator have ads?

Neither Eclipse Nav nor Great Circle Miles Calculator shows ads.

### Which is updated more often, Eclipse Nav or Great Circle Miles Calculator?

Eclipse Nav ships an update weekly, and Great Circle Miles Calculator weekly. Most recently, Eclipse Nav was updated on September 28, 2026 and Great Circle Miles Calculator on October 4, 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.*