Trenchfront vs UBOOTSIM
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Trenchfront
Lead your army in tactical real-time battles across a contested battlefield. Capture trenches, deploy diverse units, and call in support to achieve victory. Progress through campaigns, challenges, and unlock commanders with unique abilities.
- Tactical real-time battles
- Campaign missions and survival
- Diverse unit deployment
- Commander progression
- Seasons, events, and challenges
- Roguelike upgrades
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Trenchfront is a tactical strategy and survival game for iPhone. Lead your army across a contested battlefield, capture trenches, and decide when each formation should hold, advance, or launch an assault. Deploy infantry, assault troops, machine-gun teams, snipers, medics, engineers, artillery, and tanks. Every unit has distinct strengths, weaknesses, costs, and battlefield roles. Call in air strikes, artillery, smoke, and reinforcements at the right moment. CAMPAIGN AND OPERATIONS Fight mission by mission across the frontline map. Different theaters, objectives, and difficulty levels demand new tactics. Replay completed operations for higher ratings and additional rewards. TACTICAL TRENCH COMMANDS Captured trenches provide cover and are commanded individually. Hold a position, advance in formation, or risk a faster assault with reduced protection. COMMANDERS AND PROGRESSION Choose a commander with a distinct specialization and active ability. Earn player and commander XP, rise through command ranks, complete assignments, and improve your economy, infantry, armor, defense, and support. SEASONS, EVENTS, AND CHALLENGES Daily and weekly challenges provide clear battle objectives. Recurring events and seasonal reward tracks offer additional goals. Optional Premium and DLC content is presented clearly in the store and supports purchase restoration. FEATURES • Tactical real-time battles across five frontline positions • Campaign missions and survival high scores • Distinct maps and selectable difficulty levels • Infantry, armor, and special support abilities • Commanders with roles, abilities, and rank progression • Roguelike field upgrades and synergies • Season pass, events, and challenges • English and German localization • No player account required
UBOOTSIM
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November 1941. The Strait of Gibraltar. You command a Type VIIC U-boat: 67 metres of steel, four bow tubes and one at the stern. On the horizon, smoke from a convoy: five freighters and a tanker, guarded by a destroyer and two corvettes. Your mission: sink as much tonnage as you can and make it home alive. UBOOTSIM is a World War II submarine simulator made to be enjoyed at your own pace. Every attack is a small game of chess between you, the convoy and its escorts. HUNT - Attack periscope and bridge binoculars, with 1.5× to 6× zoom, a bearing scale and an automatic 360° sweep. - A living daylight sea: swell, whitecaps, clouds, sun glitter and funnel smoke that gives the convoy away long before its hulls. - Hydrophone to hear propellers while submerged: slow, heavy merchants and fast escorts. An audible alarm sounds for every new contact. - Tactical chart of the Strait with its coastline, grid, bearing ring, contacts and wakes. Tap a point and the helm and periscope turn towards it. STRIKE - Lock the target, take bearing and range marks and let the Torpedo Data Computer (TDC) find the solution. When the button turns green: fire! - Fine-tune the target's range, course and speed by hand, or switch on the automatic TDC for a more relaxed game. - Spreads of 1, 2 or 4 torpedoes, a stern tube and real-time reloading, one tube at a time. - Follow every torpedo with its wake, its countdown and a tracking window that zooms in for the last seconds. And, just as in 1941, some pistols fail. - On the surface, the 8.8 cm deck gun: tap the ship, wait for the green ring and fire. The crew corrects their aim with every hit. SURVIVE - After the first hit the convoy raises the alarm, turns and speeds up, and the escorts come after you with ASDIC and depth charges. - Go below the thermal layer, run silent, change course after every pass and keep an eye on your hull and battery. - Underwater side view: your U-boat angled as it dives, enemy hulls above you with the metres beneath their keels, and depth charges falling and bursting all around. - While you run on the surface a patrol aircraft may appear. If it spots you, it attacks and radios the destroyer. Dive in time… or shoot it down with the deck gun. A SUBMARINE YOU CAN FEEL - Diving depends on your speed: at full ahead the boat dips its bow and goes down at an angle; stopped, it barely sinks. - Alarm bell and the call of "Dive! Dive!" as you submerge, and "Surface! Surface!" as you come up. - Diesels rumbling on the surface and electric motors humming underwater, higher-pitched the faster you go. - The blast of compressed air at launch, the whistle of running torpedoes, explosions, ASDIC pings against the hull and depth charges that grow louder the closer they burst. SHIPS WITH CHARACTER - Freighters from different shipping lines, with coloured funnels, lifeboats and cargo derricks. - A long, low tanker: the big prize. - A fast, camouflaged destroyer with four guns, and two corvettes that never stop circling the convoy. - The more you zoom, the more you see: windows, flags, pennant numbers on the bow and fires when you hit them. FOR EVERY COMMANDER - Time compression from 1× to 32×, dropping back to 1× automatically at any danger. - "Show all ships" mode to learn the game. - Built-in quick guide in English and Spanish. - Scalable display: stretched to fill the window or proportional, as you prefer. - For iPhone, iPad and Mac, with a native Mac version and keyboard controls. Ship names are fictional. UBOOTSIM is a game: it simplifies reality to make it playable, while staying true to how war at sea was fought in 1941. Good hunting, Commander!
Screenshots
Verdict
The clearest difference is in-app purchases: UBOOTSIM at none against Trenchfront's 10. UBOOTSIM also leads on ads (none vs shown) and device support (3 vs 1). On price and iOS requirement 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. Trenchfront sells 10 one-off in-app purchases. UBOOTSIM asks for nothing beyond the download.
| Parameter | Trenchfront | UBOOTSIM |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 148 MB | 11 MB |
| Age rating | 17+ | 12+ |
| Developer | PHILIP GRABNER | Pablo Kessler Saiz |
In-app purchases
Trenchfront
- Elite Commanders Pack$2.99
- Season 12: Iron Front Premium$3.99
- Season 13: Winter War Premium$3.99
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- Season 14: Pacific Storm Premium$3.99
- Season 15: Desert Spearhead Premium$3.99
- Season 16: Fog of War Premium$3.99
- Season 17: Steel Resolve Premium$3.99
- Season 18: Spring Offensive Premium$3.99
- Season 19: Fortress Europe Premium$3.99
- Historical Campaign Pack$5.99
UBOOTSIM
No in-app purchases





