Celestial Navigator vs ETA Captain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Celestial Navigator
This app assists with celestial navigation training by providing a perpetual almanac, star finder chart with animation, and tools for calculating lines of position and meridian passages. It can utilize device sensors for real-time chart positioning, though a marine sextant is still required for actual navigation.
- Perpetual almanac
- Animated star finder chart
- Line of position calculation
- Meridian passage calculation
- Real-time sensor integration
- Celestial object data
Read full descriptionHide full description
Celestial Navigation Calculator with - perpetual Almanac - star finder chart with animation. Use phone sensor for altitude. - calculation of lines of position ( intercept/delta ) - celestial object data - meridian passage calculation - running fix support - astronomical position calculations with two or more altitude observations - Hipparchus 150 star catalog - World chart with lines and position Program can be set to use device's sensors (gyro, compass) to position the star finder chart in real time. Capture celestial object approximate altitude. Correct Altitude with a Marine Sextant reading (not included). You still need a marine sextant to do celestial navigation, but the phone sensors may be used for training. Software for iPhone and iPad, with the same features. e-book with manual and celestial navigation tutorial.
ETA Captain
Read full descriptionHide full description
The fastest answer to "What's your ETA, Captain?" ETA Captain is a voyage planning calculator built by a ship captain for ship officers. Four essential tools, always ready, no internet required. SPEED REQUIRED Enter your schedule, zone description, and route distance. Get your speed required instantly. BEST ETA Input your sailing time and best speed. Get your best ETA. LATEST ETD Know your deadline. Work backwards from your required arrival to find the latest you can sail. FUEL Estimate bunker consumption for your voyage based on your vessel's speed and consumption parameters. Built for all vessel types. Works fully offline. No account required.
Screenshots
Verdict
The clearest difference is price: Celestial Navigator at Free against ETA Captain's $4.99. Celestial Navigator also leads on iOS requirement (11.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Celestial Navigator is free to download; ETA Captain costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Celestial Navigator | ETA Captain |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 2.0 (3 ratings) — better | — |
| Positive reviews | 42.9% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 9 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 32 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Omar reis | FRANCISCO JOSE MEDAL |
In-app purchases
Celestial Navigator
No in-app purchases
ETA Captain
No in-app purchases
Questions
Is Celestial Navigator free?
Is ETA Captain free?
Do Celestial Navigator or ETA Captain have ads?
Other comparisons
