
UBOOTSIM
Submarine hunt at Gibraltar
About
Command a World War II submarine in the Strait of Gibraltar. Hunt, strike, and survive enemy convoys and escorts using realistic periscopes, torpedo computers, and deck guns. Experience the sounds and sensations of underwater combat.
What's New in UBOOTSIM
4.0
October 19, 2026
UBOOTSIM 4.0 Optimised for iPhone Duo UBOOTSIM adapts to every posture of iPhone Duo: * Open in landscape: the full iPad cockpit, with map, periscope, bridge, hydrophone, TDC and war log all at once. * Open upright: the map, periscope or war log on top. Below, a simplified command console: * large periscope dial, ship’s wheel and hydrophone; * engines ahead and astern; * Surface, Periscope and Dive; * Lock target, auto TDC, salvo of 1, 2 or 4, stern tube, deck gun and FIRE. * Closed: the iPhone layout with tabs, centred on screen. * In the upright console: * The periscope zoom and depth scales respond to touch. * The map has a clear North button. * With an aircraft in sight, “Lock aircraft” mans the flak gun and tracks it. New mission: Force H and the Ark Royal * Relive Guggenberger’s U-81 attack of 13 November 1941, east of Gibraltar. * Force H is returning from Malta with the carriers Ark Royal and Argus, the battleship Malaya, the cruiser Hermione and seven destroyers, at 17 knots and zigzagging. * One torpedo puts the Ark Royal out of action and under tow; two sink her. * The time, the fleet’s course and your position change every game. * New distinctions: “Like Guggenberger”, “Out of action” and “Torpedo on the Malaya”. Also new * 2 cm anti-aircraft gun with tracers, visible hits and aircraft engines with Doppler effect. Aim by dragging your finger. * New 8.8 cm and 2 cm guns, cleaner ship silhouettes and new clouds. * Coastline and mountains in the periscope, including the Rock of Gibraltar. * Realistic splashes with sound, depth-charge plumes and bigger fires. * Faster sinking: 20–40 s for ships, 10–20 s for escorts. Tonnage in GRT and tons. * Home base at the Cádiz shipyard, with the return passage and a harbour scene. * Underwater view with zoom from 4 km to 300 m, an automatic mode that follows the escort, and double tap to return to AUTO. * Running torpedoes always visible on the map, with a red ring and a countdown to impact. * Smaller torpedo tracking window that can be dragged with your finger on iPhone. * Fuller sound on Mac, iPad and iPhone speakers, plus a master volume control. * Manual updated in Spanish, English and German.
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FAQ
What is UBOOTSIM?
UBOOTSIM is a World War II submarine simulator that allows players to command a Type VIIC U-boat. It focuses on realistic hunting, striking, and survival mechanics during missions in the Strait of Gibraltar.
What kind of gameplay can I expect in UBOOTSIM?
Gameplay involves using periscopes and hydrophones to hunt targets, employing the Torpedo Data Computer for precise attacks, and utilizing the deck gun for surface engagements. Survival against escorts with depth charges and other threats is crucial.
Does UBOOTSIM offer multiplayer or offline play?
The description indicates the game is designed to be enjoyed at your own pace, suggesting a strong single-player, potentially offline experience. Multiplayer is not explicitly mentioned.
How realistic are the U-boat controls and physics in UBOOTSIM?
The game emphasizes realistic sensations, including how diving depends on speed, the sounds of the diesel and electric motors, and the impact of explosions. Torpedo ballistics and the functionality of the Torpedo Data Computer are also detailed.
What platforms is UBOOTSIM available on?
UBOOTSIM is supported on Mac, iPhone, and iPad devices, making it accessible on multiple Apple platforms.
How often is UBOOTSIM updated?
The latest version is 4.0, and it was last updated on October 19, 2026. This indicates a relatively active development cycle for the simulator.
What is the age rating for UBOOTSIM?
UBOOTSIM has an age rating of 12+, suggesting it contains content suitable for teenagers and above, likely due to its war-themed subject matter.
Is UBOOTSIM free to play?
Yes, UBOOTSIM is available for free. There are no in-app purchases or advertisements mentioned, making it a completely free experience.










