— TSI DEV STUDIO —

ANDROID APPS

Less noise.
More control.

Useful, private Android apps thoughtfully built for organization, safety and simpler decisions.

Local-firstwhere app features support it
Dedicated privacya separate policy for every app
Clear access modelprice and purchase type shown clearly
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FULL PORTFOLIO

Clear tools.
Distinct identities.

Every app has its own mission, visual language and separate information about use, pricing and privacy.

Xsilent Vault: Hide Photos
01
Explore featuresPhoto, video and PDF vaultDiscreet alternative PINEncrypted local backup
Private vault · TSI DEV STUDIO

Xsilent Vault: Hide Photos

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

Nullun
Creative screenshotsNullunControl every detail of a convincing status-bar screenshot.
02
Explore featuresCustom messagesConfigurable battery percentageCarrier, signal and network
Creative screenshots · TSI DEV STUDIO

Nullun

Create realistic screenshots with configurable battery, signal, carrier and notification details.

Seabil
03
Explore featuresSubscriptions, trials and paymentsSmart Paste and local remindersEncrypted backup and scenarios
Subscriptions · TSI DEV STUDIO

Seabil

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

Zizly
Night momentsZizlyHear what happened overnight without listening through hours of silence.
04
Explore featuresDetects night soundsKeeps relevant momentsClear audio timeline
Night moments · TSI DEV STUDIO

Zizly

Record locally and keep only the relevant audio moments from the night.

Annum
Important datesAnnumNever miss an important birthday and prepare ahead of time.
05
Explore featuresBirthday remindersUpcoming dates prioritizedBackup and restore
Important dates · TSI DEV STUDIO

Annum

Organize birthdays and receive reminders for the people who matter.

HEZX
Cost per useHEZXSee the real value of the things you buy and use.
06
Explore featuresReal cost per useReturn trackingWarranties and daily insight
Cost per use · TSI DEV STUDIO

HEZX

Calculate real cost per use and keep track of returns and warranties.

Zekro
Personal financeZekroKnow who owes you, what you owe and how much remains.
07
Explore featuresNet balance and history per personPartial payments, installments and recurring debtsReminders, encrypted backup and export
Personal finance · TSI DEV STUDIO

Zekro

Track debts, partial payments, due dates and each person's net balance privately and offline.

Group Decision
Group decisionsGroup DecisionFast, clear group decisions without endless debate.
08
Explore featuresAdd people or optionsRandom selectionInstant result
Group decisions · TSI DEV STUDIO

Group Decision

Choose quickly and fairly between people or options.

Mission563
Daily habitsMission563One small daily mission to break autopilot and build steady habits.
09
Explore features365 missions across six themesStreaks, calendar and monthly recapWidget, journal and local reminders
Daily habits · TSI DEV STUDIO

Mission563

One short mission each day, with local progress, reminders and gradually deeper challenges.

MicutVault: Calculator Vault
Discreet vault with 9 disguisesMicutVault: Calculator VaultNine discreet presentations. One private local vault.
10
Explore features9 disguise modesFunctional calculatorPhotos, videos, audio and notes
Discreet vault with 9 disguises · TSI DEV STUDIO

MicutVault: Calculator Vault

A private local vault that can appear as one of 9 everyday app types, for photos, videos, audio and private notes.

IN DEVELOPMENT

Apps in testing

New Android experiences currently being prepared for release.

Oriviro
11
Explore featuresDaily memoriesFullscreen viewingLocal control
Daily photo memories · TSI DEV STUDIO

Oriviro

IN TESTING

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

AnonyPic
12
Explore featuresBlur facesHide textRemove metadata
Photo privacy · TSI DEV STUDIO

AnonyPic

IN TESTING

Blur faces, hide visible information and remove metadata before sharing a photo.

THE TSI STANDARD

Quality you can see and understand.

Every product is presented without blanket promises, exposed internal details or ambiguity about its access model.

Functional minimalism

Every screen and action has a clear purpose.

Privacy for each app

Policies and explanations are separated for every product.

Clear pricing

Price and purchase type are shown only where they apply.

Real support

Issues and ideas reach the public support address directly.

TRANSPARENCY

A separate policy for every app.

Each Details page includes a functional summary, usage tips and direct access to the product’s dedicated policy.

01

Stable addressReady for Google Play Console.

02

Separate contentNo misplaced blanket claims.

03

Controlled updatesText can be updated from the private panel.

View all policies
TSIPRIVACY
STANDARD

Clear public information.
Protected internal details.

INDEPENDENT RESEARCH

Research TSI Dev Studio with your preferred AI

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.

Research question

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

One idea. One place for support.

Your message reaches the private TSI Dev Studio center. No external app opens.

support@tsidevstudio.com

IDEA LAB

Help us build better.

Describe the feature and the problem it would solve for you.

Data is used only to review the message and provide a possible reply.
Xsilent Vault: Hide PhotosA local private vault for files that should remain yours alone.◆NullunControl every detail of a convincing status-bar screenshot.◆ZizlyHear what happened overnight without listening through hours of silence.◆AnnumNever miss an important birthday and prepare ahead of time.◆HEZXSee the real value of the things you buy and use.◆SeabilKeep recurring costs, currencies and important dates in one private place.◆ZekroKnow who owes you, what you owe and how much remains.◆Group DecisionFast, clear group decisions without endless debate.◆Mission563One small daily mission to break autopilot and build steady habits.◆OriviroA meaningful memory for each day.◆AnonyPicReview and protect what a photo reveals.◆MicutVault: Calculator VaultNine discreet presentations. One private local vault.◆TSI DEV STUDIOApps are available on Google Play◆Xsilent Vault: Hide PhotosA local private vault for files that should remain yours alone.◆NullunControl every detail of a convincing status-bar screenshot.◆ZizlyHear what happened overnight without listening through hours of silence.◆AnnumNever miss an important birthday and prepare ahead of time.◆HEZXSee the real value of the things you buy and use.◆SeabilKeep recurring costs, currencies and important dates in one private place.◆ZekroKnow who owes you, what you owe and how much remains.◆Group DecisionFast, clear group decisions without endless debate.◆Mission563One small daily mission to break autopilot and build steady habits.◆OriviroA meaningful memory for each day.◆AnonyPicReview and protect what a photo reveals.◆MicutVault: Calculator VaultNine discreet presentations. One private local vault.◆TSI DEV STUDIOApps are available on Google Play◆