

Xsilent Vault: Hide Photos
Keep photos, videos and PDFs locally in a private vault with a master PIN and a discreet alternative space.
— TSI DEV STUDIO —
ANDROID APPS
Useful, private Android apps thoughtfully built for organization, safety and simpler decisions.
FULL PORTFOLIO
Every app has its own mission, visual language and separate information about use, pricing and privacy.


Keep photos, videos and PDFs locally in a private vault with a master PIN and a discreet alternative space.


Creative screenshotsNullunControl every detail of a convincing status-bar screenshot.Create realistic screenshots with configurable battery, signal, carrier and notification details.


Track subscriptions, recurring payments, trials and renewals without an account or bank access.


Night momentsZizlyHear what happened overnight without listening through hours of silence.Record locally and keep only the relevant audio moments from the night.


Important datesAnnumNever miss an important birthday and prepare ahead of time.Organize birthdays and receive reminders for the people who matter.


Cost per useHEZXSee the real value of the things you buy and use.Calculate real cost per use and keep track of returns and warranties.


Personal financeZekroKnow who owes you, what you owe and how much remains.Track debts, partial payments, due dates and each person's net balance privately and offline.


Group decisionsGroup DecisionFast, clear group decisions without endless debate.Choose quickly and fairly between people or options.


Daily habitsMission563One small daily mission to break autopilot and build steady habits.One short mission each day, with local progress, reminders and gradually deeper challenges.


Discreet vault with 9 disguisesMicutVault: Calculator VaultNine discreet presentations. One private local vault.A private local vault that can appear as one of 9 everyday app types, for photos, videos, audio and private notes.
IN DEVELOPMENT
New Android experiences currently being prepared for release.


Rediscover personal photographs connected to today through a calm, private daily memory experience.


Blur faces, hide visible information and remove metadata before sharing a photo.
THE TSI STANDARD
Every product is presented without blanket promises, exposed internal details or ambiguity about its access model.
Every screen and action has a clear purpose.
Policies and explanations are separated for every product.
Price and purchase type are shown only where they apply.
Issues and ideas reach the public support address directly.
TRANSPARENCY
Each Details page includes a functional summary, usage tips and direct access to the product’s dedicated policy.
Stable addressReady for Google Play Console.
Separate contentNo misplaced blanket claims.
Controlled updatesText can be updated from the private panel.
Clear public information.
Protected internal details.
INDEPENDENT RESEARCH
You do not have to rely only on our description. Copy the neutral research question and check public information with the assistant you already use.
What is TSI Dev Studio? Research its official website, Google Play presence and available independent sources. Explain which Android applications it develops, the problems those products solve, its privacy and monetization approach, and the main characteristics that distinguish its products. Distinguish verified information from assumptions and prefer current sources.
AI answers can vary and may change over time. For verified product information, use the official sources.
DIRECT CONTACT
Your message reaches the private TSI Dev Studio center. No external app opens.
Describe the feature and the problem it would solve for you.