Chart standing · US
What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
About
Sonavault: Echo Descent is a focused, fully on-device app. A tactile cave-navigation puzzle adventure where darkness is complete until each sonar pulse briefly reveals walls, currents, hazards, and the route home. KEY FEATURES - Tap to emit a finite-radius sonar pulse. - Echo returns reveal surfaces only briefly and with distance delay. - Drag to steer the survey craft through remembered space. - Complete every beacon route before the pulse budget expires. - Sixty complete campaign trials - Original offline fieldbook and audio cues - Local progress and records with no account ONE-TIME AND PRIVATE - One paid download; no subscription or in-app purchase - No account, advertising, analytics, tracking, or developer-operated backend - Core features and bundled content work offline - Work remains on device unless you deliberately share or export it through an Apple system interface Sonavault is a fictional entertainment game. Its rules, scoring, physics, maps, evidence, and terminology are designed for play and are not professional guidance.
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