AISixteenAISixteen
Independent apps for iPhone, iPad & Mac

Apps that keep
to themselves.

AISixteen builds small, fast, thoughtfully crafted apps that run entirely on your device — no accounts, no tracking, nothing sent to a server.

Explore the appsOur privacy stance
9apps shipped
0data collected
100%on-device
Featured
Ephemeris Sky icon
Ephemeris Sky
Sky & science

The sky, computed for any moment. Real planetary positions, aspects, and a live chart wheel — 100% on-device.

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Ephemeris Sky screenshot
Catalog

All apps

Every one runs offline and collects nothing.

AllGamesCreative toolsAI & utilitiesSky & science
Ephemeris Sky icon
Ephemeris Sky
Sky & science

The sky, computed for any moment.

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Overtone Lab icon
Overtone Lab
Creative tools

Twenty exact audio tools in one app.

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Indox Text icon
Indox Text
AI & utilities

Summarize anything, fully on-device.

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Typing Mill icon
Typing Mill
AI & utilities

Master your typing speed, the fun way.

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Golden Ratio Calculator icon
Golden Ratio Calculator
Creative tools

Precise golden-ratio math, instantly.

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Golden Ratio Calculator Lite icon
Golden Ratio Calculator Lite
Creative tools

The golden ratio, simplified.

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Big Pink Cat icon
Big Pink Cat
Games

A cosmic, choose-your-path story.

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Skyscraper Frog icon
Skyscraper Frog
Games

8-bit leaping across the rooftops.

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Monstro Shooter icon
Monstro Shooter
Games

Survive the alien invasion.

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Privacy by default

Our apps do not collect, store, or transmit any personal data — no identifiers, no usage analytics, no device information. Everything happens on your device. There's no account to create and nothing to opt out of, because there was never anything to collect.