# Sonarium: Sonar Puzzle — Sometimes the sea answers

> Sometimes the sea answers (iPhone/iPad app by Yin Mao.)

- Source: https://appshunter.io/ios/app/sonarium-sonar-puzzle/id6802053332 (this page in markdown: same URL + `.md`)
- Developer: [Yin Mao](https://appshunter.io/developer/6802053334)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 39 MB
- Languages: American English, Japanese, Chinese (Traditional, Taiwan)
- Released: 2026-09-01
- Data updated: 2026-10-08

## What is Sonarium?

One rule: every number on the grid is an echo — how many steps, up, down, left or right, to the nearest thing hiding below. Mark everything down there, and the sea shows you what you've found.

Sonarium is a logic puzzle played in the dark. No guessing, ever: every puzzle has exactly one solution, and every step can be reasoned out. When the shape closes, the screen lights up — a whale, a shipwreck, something stranger — and the find goes into your Field Guide.

THE VOYAGE
• Four voyages, sixteen seas, 160 charted puzzles — grids grow from 8×8 to 15×15
• The work deepens as you go: sparser echoes, bigger boards, and later, readings that lie. Put three clues side by side; one won't add up. Catch it.
• More than 160 discoveries to log, each with a line from the sonar operator's journal
• A few finds hide off the route — the question marks in the guide are for the sharp-eyed
• A story told between the puzzles: an echo too regular to be an animal has been following your ship since the first sea

ONE SEA, EVERY DAY
• Daily Scan: one puzzle a day, the same grid for every player in the world
• Keep your streak on the Crew Certificate; share your result without spoiling a single cell
• On special scan days, the daily becomes a patrol — and what you find there gets its own page in the guide

The first voyage is free. Beyond it, any voyage marked "Open for a limited time" is yours to sail straight through for as long as the mark is there; without the mark, one purchase of the Full Version opens all the rest — no subscription, no chapters sold piecemeal.

No ad ever interrupts a puzzle. The only ad in the game is an optional video for an extra daily rescan. No account, no sign-in — progress stays on your device, and the whole game works offline.

The sea is waiting. Cast off.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


## Is Sonarium safe?

Not enough ratings yet to assess Sonarium.

## Is Sonarium legit?

Sonarium: Sonar Puzzle has limited verification signals. The AppsHunter Legitimacy Score for Sonarium is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 1.2.0 — 2026-09-24

Training gains one last lesson, "One Last Thing Before We Sail": solve a full board with the captain, marking the water first until only the answer is left. In a hurry to sail? Skip it.

### 1.1.0 — 2026-09-13

Japanese is now supported.

• A few of Act Four's slips were rebuilt to read at a glance — labels line up, and nothing is said twice
• The crew card's stats now choose their own column count, so figures no longer crowd their labels
• Reworded one line on the return leg so it reads the way people actually say it

### 1.0.1 — 2026-09-04

The opening training is rewritten. Three boards to solve became five short drills

### 1.0.0 — 2026-09-01

No release notes.

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## Related topics

[sonar steelseries](https://appshunter.io/ios/topics/sonar-steelseries)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-08.*