Boat Units vs Tank_Level
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Boat Units
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Boat Units gives sailors quick, reliable access to the conversions they use every day β from speed and distance to electrical, environmental, and onboard measurements. Designed for cruising sailors who want fast answers without digging through menus. Whether youβre checking wind speed, converting nautical miles, or working out electrical loads, everything is laid out for quick reference on the water. FEATURES Conversions tailored for sailors and yacht owners Nautical, environmental, electrical, length, and distance units Clean, simple interface built for quick use underway No ads, no clutter, no unnecessary categories DEVELOPMENT Boat Units is under active development, with new conversions and improvements planned. Feedback from sailors is always welcome and helps shape future releases.
Tank_Level
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Tank Level β Smart Volume Calculator Easily calculate the liquid volume in your storage tanks with just the measured level. Whether youβre working with fixed roof tanks, floating roof tanks, or other storage types, this app provides fast, accurate, and reliable volume calculations. Key Features: Input tank level to instantly get the liquid volume. Supports cylindrical and storage tanks (vertical/horizontal). Quick and easy interface for field and industrial use. Reduces manual errors in dip tape or gauge readings. Useful for oil & gas, chemical, and water storage facilities. Perfect for: Operators, engineers, and field technicians who need accurate tank volume calculations on-site. Stay efficient. Stay accurate. Calculate your tank volume in seconds!
Screenshots
Verdict
The clearest difference is update cadence: Boat Units at every 3 days against Tank_Level's every 10 months. Tank_Level's advantage is iOS requirement (12.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Boat Units ships an update every 3 days, Tank_Level every 10 months. The most recent releases landed on October 25, 2026 and October 17, 2026 respectively.
| Parameter | Boat Units | Tank_Level |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 18.6 | 12.0 β better |
| Further details β not scored | ||
| Size | 7 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcus Johansson | GAMAL ABDELNASER GABR GABR |
In-app purchases
Boat Units
No in-app purchases
Tank_Level
No in-app purchases
Questions
Is Boat Units free?
Is Tank_Level free?
Do Boat Units or Tank_Level have ads?
Which is updated more often, Boat Units or Tank_Level?
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