Comparison

Submarine Simulator vs Chkob

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Submarine Simulator

Command a German U-boat in a realistic World War II simulator. Engage in naval warfare, target enemy ships with torpedoes, and evade detection using hydrophones and strategic diving. Experience authentic controls and immersive 3D graphics.

Highlights
  • Realistic submarine controls
  • Authentic torpedo targeting
  • Hydrophone for enemy detection
  • Time compression gameplay
  • High-quality 3D graphics
  • Auto-save feature
Features
Read full description

Take command of a German U-boat in World War II. Hunt enemy convoys, line up the perfect torpedo shot and slip away before the destroyers find you — a realistic 3D submarine simulator built for players who like to think before they fire. 【HOW A U-BOAT ATTACK WORKS】 1. Find the convoy — listen with the hydrophone (sonar) and watch the tactical map 2. Close in at periscope depth without being spotted 3. Observe the target through the periscope: bearing, range, speed and angle on the bow 4. Enter the data into the T.D.C. (Torpedo Data Computer) — it works out the gyro angle 5. Fire your torpedoes, then dive deep and evade the depth charges 【FEATURES】 ・Campaign of 5 missions, from your first war patrol to a full convoy battle ・Realistic U-boat controls: engine telegraph, depth, course and battery ・Periscope, hydrophone and lookouts to detect and track warships and merchant ships ・Torpedo attacks with the T.D.C., just like real WW2 submarine commanders ・Escort destroyers that hunt you with sonar and depth charges ・Tactical map with contacts, predicted courses and range rings ・Time acceleration, auto-save and continue ・Graphics adjust automatically to your device ・Single-player naval warfare — no PvP, play at your own pace ・Available in 17 languages Whether you love WW2 history, naval warfare and warships, or classic submarine games, this U-boat simulator puts you in the captain's seat. Can you sink the convoy and bring your crew home?

About

Chkob

Features
Read full description

Chkobba est un jeu de cartes inspiré du célèbre jeu tunisien traditionnel. Profitez d’une expérience simple et fluide sur iPhone, pensée pour jouer facilement et retrouver les sensations du jeu classique. L’application propose une prise en main rapide, une interface claire et un gameplay accessible aussi bien aux débutants qu’aux joueurs habitués. Chkobba a été conçu pour offrir des parties agréables, avec un style fidèle à l’esprit du jeu. Fonctionnalités - Jeu de Chkobba sur mobile - Interface simple et intuitive - Parties rapides et agréables - Expérience pensée pour les amateurs de jeux de cartes traditionnels Téléchargez Chkobba et redécouvrez un grand classique du jeu de cartes sur votre téléphone.

Screenshots

Submarine Simulator4 screens
Chkob3 screens

Verdict

The call

The clearest difference is in-app purchases: Chkob at none against Submarine Simulator's 4. Chkob also leads on ads (none vs shown). Submarine Simulator's advantage is update cadence (every 3 days vs monthly) 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Submarine Simulator sells 4 one-off in-app purchases. Chkob asks for nothing beyond the download.

UpkeepUpdate frequency

Submarine Simulator ships an update every 3 days, Chkob monthly. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
Submarine Simulator versus Chkob: the parameters behind the verdict, then further details
ParameterSubmarine SimulatorChkob
PriceFreeFree
Rating2.9 (15 ratings) — better—
Positive reviews14.3% of reviews—
Number of ratings15 — better—
Update frequencyEvery 3 days — betterMonthly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.4
Further details — not scored
Size252 MB49 MB
Age rating9+4+
DeveloperKatsushi KurokiMawulolo Jean-Baptiste Mensah

In-app purchases

4 purchases

Submarine Simulator

One-time4
  • Torpedo Resupply Pack (+6)$0.99
  • Full Battery Recharge$0.99
  • Emergency Repair Kit$0.99
Show 1 more
  • Remove Ads$2.99
None

Chkob

No in-app purchases

Questions

Is Submarine Simulator free?
Submarine Simulator is free to download, with in-app purchases available.
Is Chkob free?
Chkob is free to download, with no in-app purchases.
Do Submarine Simulator or Chkob have ads?
Submarine Simulator shows ads; Chkob does not.
Which is updated more often, Submarine Simulator or Chkob?
Submarine Simulator ships an update every 3 days, and Chkob monthly. Most recently, Submarine Simulator was updated on October 27, 2026 and Chkob on October 13, 2026.

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