# Star Pupil vs DijkstraGraph

The clearest difference is iOS requirement: Star Pupil at 13.0 against DijkstraGraph's 17.5. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Star Pupil | DijkstraGraph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/star-pupil/id6463496579/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free | — |
| Size | 15 MB | 1 MB |
| Requires iOS | **13.0** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard Craddock](https://appshunter.io/developer/1579756955) | [Woodburn School District](https://appshunter.io/developer/1775725985) |

## What reviewers say

### Star Pupil

[App page](https://appshunter.io/ios/app/star-pupil/id6463496579)

This app helps you practice celestial navigation by showing every step of sight reductions and plotting lines of position. It covers calculations for the Sun, planets, and stars using standard nautical publications.

**Highlights:** Step-by-step sight reductions, Plotting Lines of Position (LOPs), Calculations for Sun, Planets, Stars, Uses Pub 229 and Pub 249, Twilight calculations, Star selection assistance

**Features:** macOS Compatibility

**In-app purchases:** none


### DijkstraGraph

[App page](https://appshunter.io/ios/app/dijkstragraph/id6737280175)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Star Pupil free?

Star Pupil is free to download, with no in-app purchases.

### Is DijkstraGraph free?

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

### Do Star Pupil or DijkstraGraph have ads?

Neither Star Pupil nor DijkstraGraph 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.*