Submarine Sonar Multiplayer vs Sonar Islands
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Submarine Sonar Multiplayer
Engage in intense multiplayer submarine combat. Hunt down opponents with torpedoes and mines, or utilize stealth to evade detection. Compete in large-scale battles or quick deathmatches.
- Multiplayer submarine combat
- Online battles with up to 32 players
- Stealth mode for evasion
- Sonar detection
- Torpedo and mine deployment
- Deathmatch and endless game modes
Read full descriptionHide full description
Multiplayer submarine combat simulator. Play online against other players. Search for other submarines, fire torpedoes, drop mines, hide in stealth mode, dominate the sea. The games plays online with 32 players per session and in never ending game in the battlefield or in 5 minute death matches. When your submarine travels with a speed less than stealth threshold it is only visible to those who use their sonar to find it. Using the sonar or firing a torpedo or a mine will reveal your position to other player. Tap to control speed and rudder. Watch out for islands and land.
Sonar Islands
Embark on an audio-driven multiplayer adventure across 14 unique islands. Build your empire, explore diverse environments from ancient temples to volcanic landscapes, and engage in various challenges. Full game access requires a subscription.
- Multiplayer online gameplay
- Audio-driven events
- Empire building
- Island exploration and development
- Diverse island themes
- Tutorial and story modes
Read full descriptionHide full description
Sonar Islands is a MULTIPLAYER ONLINE game, where all relevant events happen in your ears. Build up your empire, explore and develop 14 different islands with this award winning GAME OF THE DAY 2021. Visit an ancient TEMPLE, the ancestors built, where snakes are biting. Take a trip to the JUNGLE, watch abandoned lions on your way Have a merry-go-round on the FUN FAIR and shoot all toys Feel the terraforming heat of the VOLCANO island Short-circuit their brain of the robots from Feer in the MACHINE HALL Get lost in the labyrinth of the PING Island Deal with wind and mosquitos high up on the TREETOP Face the invisible power o ELECTRO. Dance on a ViNYL Record and collect treasures hold by little creatures, Fear the zombies on the GRAVEYARD, Skate on a WINTER LAKE, Visit the monks in their MONASTERY, climb up to HIMALAYA Or decide between HEAVEN or HELL Happy vacation on the islands! Sonar Islands comes with a tutorial, a training island and a story island. To get full access to the game, Sonar Islands offers a monthly and a yearly subscription. When you purchase a subscription, payments will be charged to your App Store account at the confirmation of purchase and will automatically renew unless canceled within 24-hours before the end of the current period. For more information, see our Terms of Use (https://www.mentalhome.eu/terms-of-use/) and our Privacy Policy (https://www.mentalhome.eu/privacy-policy/).
Screenshots
Verdict
The clearest difference is rating: Sonar Islands at 3.5 against Submarine Sonar Multiplayer's 2.8. Sonar Islands also leads on review sentiment (60% vs 43%) and ratings volume (83 vs 4). Submarine Sonar Multiplayer's advantage is monetization model (free with in-app purchases vs subscription) and iOS requirement (9.0 vs 12.5). On price, update cadence, ads and in-app purchases 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. Submarine Sonar Multiplayer sells 1 one-off in-app purchase and Sonar Islands sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Sonar Islands holds the better App Store score, 3.5 against 2.8. That said, the two scores are not equally well evidenced: Sonar Islands has 83 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 43% of Submarine Sonar Multiplayer's written reviews are positive against 60% of Sonar Islands's.
Submarine Sonar Multiplayer ships an update monthly, Sonar Islands every 2 months. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.
| Parameter | Submarine Sonar Multiplayer | Sonar Islands |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (4 ratings) | 3.5 (83 ratings) — better |
| Positive reviews | 42.9% of reviews | 60.1% of reviews — better |
| Number of ratings | 4 | 83 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.5 |
| Further details — not scored | ||
| Size | 59 MB | 288 MB |
| Age rating | 4+ | 12+ |
| Developer | Sundqvist Konsult i Umea AB | Hansjoerg Mikesch |
Customer experience
Submarine Sonar Multiplayer
Sonar Islands
Bugs and requests
Submarine Sonar Multiplayer
Not enough reviews yet to summarise bugs or requests.
Sonar Islands
Reported bugs
4 issues- Crashes and freezes on certain devices
- Compass and navigation issues with iOS 16
- Incorrect Morse code in tutorial
- Inconsistent audio cues
Requested features
5 requests- Additional free islands to explore
- Option to purchase game outright instead of subscription
- More varied event types and challenges
- Ability to customize islands
- Support for multiple languages
In-app purchases
Submarine Sonar Multiplayer
- Remove Ads$0.99
Sonar Islands
- Full Access - monthly$2.991 Month
- Full Access - yearly$29.491 Year
- 100 Diamonds$0.99
- 500 Diamonds$3.99
- 1000 Diamonds$5.99
Questions
Is Submarine Sonar Multiplayer free?
Is Sonar Islands free?
Which has better reviews, Submarine Sonar Multiplayer or Sonar Islands?
Do Submarine Sonar Multiplayer or Sonar Islands have ads?
Which is updated more often, Submarine Sonar Multiplayer or Sonar Islands?
Other comparisons















