Qastor vs Pilot Thagaval
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Qastor
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Qastor is a professional marine navigation and pilotage tool for maritime pilots. It combines high-precision positioning, live AIS traffic, and detailed nautical charts to support safe passage through harbors, ports, and confined waters. Built for the demands of real-time pilotage, Qastor gives you the situational awareness you need, accurate vessel position and heading, under-keel clearance, predicted tracks, and berth approach information, all on a portable display you can bring aboard any ship. Key features: Real-time AIS display of surrounding vessel traffic High-accuracy GPS positioning and heading Detailed nautical charts with depth and tidal information Docking and berth approach support Route and passage planning Works offline, independent of the ship's own systems Trusted by marine pilots for navigation in some of the world's busiest ports and waterways.
Pilot Thagaval
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The pilot card, to be filled in by the master, is intended to provide information to the pilot on boarding the ship. This information should describe the current condition of the ship, with regard to its loading, propulsion and manoeuvring equipment, and other relevant equipment.
Screenshots
Verdict
The clearest difference is in-app purchases: Pilot Thagaval at none against Qastor's 3. Pilot Thagaval also leads on update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads 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
Both are free to download. Qastor sells 3 in-app purchases, starting at $619.00 per year. Pilot Thagaval asks for nothing beyond the download.
Qastor ships an update every 3 months, Pilot Thagaval monthly. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.
| Parameter | Qastor | Pilot Thagaval |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 257 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Quality Positioning Services | Indian Institute Of Technology Madras |
In-app purchases
Qastor
- Navigation$619.001 Year
- Navigation + Docking$989.001 Year
- 14-day TrialFree
Pilot Thagaval
No in-app purchases
Questions
Is Qastor free?
Is Pilot Thagaval free?
Do Qastor or Pilot Thagaval have ads?
Which is updated more often, Qastor or Pilot Thagaval?
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