# Executive OS: Decision Journal — Private AI Chief of Staff

> Private AI Chief of Staff (iPhone/iPad app by Birkan Aksoy.)

- Source: https://appshunter.io/ios/app/executive-os-decision-journal/id6770634095 (this page in markdown: same URL + `.md`)
- Developer: [Birkan Aksoy](https://appshunter.io/developer/1626910993)
- Category: Productivity, Finance
- Price: Free (on sale, was $27.90)
- Age rating: 4+
- Requires: iOS 17.0 · 9 MB
- Languages: American English, Arabic, Dutch, French (France), German (Germany), Hindi, Indonesian, Italian, Japanese, Korean and 8 more
- Released: 2026-06-03
- Data updated: 2026-10-16

## What is Executive OS?

Executive OS is a private AI Chief of Staff that runs sealed inside your phone. No cloud. No analytics. No remote backend.

Every founder, CEO, and high-net-worth operator faces the same cognitive load: too many decisions, too little structured reasoning, too much data leaking into other people's servers. Executive OS solves this by putting your private operating system on a single device, encrypted with AES-GCM 256, sealed by your biometric.

CHOOSE YOUR TERM
Monthly $19.99 · Yearly $49.99 · Lifetime $99.99 one-time.
Everyone who purchased Executive OS while it was a paid app keeps permanent access at no cost — forever.

A FOUNDER SERIES, NUMBERED
The first one thousand activations are issued sequential serial numbers.

DAILY AI EXECUTIVE BRIEFING
A private Chief of Staff distills your priorities each morning. Listen in a luxury synthesized voice.

WEALTH OPERATING SYSTEM
Track net worth across real estate, cash, investments, equity, vehicles — in six currencies. AI Wealth Analyst flags concentration and liquidity gaps.

CALIBRATION — JUDGMENT YOU CAN MEASURE
State your own confidence on every call. Months later, record what actually happened. Executive OS scores you with a Brier score, plots your calibration curve, and splits it by domain — so you learn where your judgment holds and where it does not. Before you commit to a number, it shows you what happened the last times you felt exactly this certain.

EXECUTIVE SEARCH
One field across every decision, task, retrospective, holding and playbook. Entirely on device. Vault secrets are never indexed.

DECISION ENGINE WITH COACH MODE
Strategic questions answered with structured reasoning, risk-reward framing, confidence scoring. Coach Mode runs a Socratic interview before you act. Fifteen pre-built decision archetypes.

CEO PLAYBOOKS
Thirteen hand-written essays — first 100 days, M&A negotiation, down round, firing senior leader, board management, founder burnout, calibration, Series B prep, PR crisis.

WEEKLY RETROSPECTIVE
Friday evening five-question ritual. Compounds into year-end calibration.

SECURE VAULT
Credentials, API keys, contracts. AES-GCM 256. Screenshot detection. Time-locked entries.

FOUNDER TOOLS
Cap table, runway with default-alive check, OKR tracker, 1:1 prep, board prep, AI investor updates.

VOICE JOURNAL & DOCUMENT OCR
Record voice memos, on-device speech recognition, photo OCR into the vault. On-device Apple Intelligence summarization — no API key needed.

STANDBY MODE DASHBOARD
Bedside night display with today's aphorism and tomorrow's first priority.

INTERACTIVE LOCK SCREEN WIDGETS
Tap to record a decision from the lock screen.

YEAR-END EXECUTIVE REPORT
Book-format typeset PDF every December: net worth, allocation, decision calibration, AI commentary.

PARANOIA-GRADE SECURITY
Biometric-bound master key. Self-destruct. Dead-man's switch. Decoy profiles. Tamper-evident audit log. Excluded from iCloud.

PRIVATE BY ENGINEERING
We collect zero data. Anthropic integration runs against your own API key. On-device Apple Intelligence needs no key at all.

For the cognitive demands of leadership.

TERMS
Executive OS Pro — monthly ($19.99), yearly ($49.99), or lifetime ($99.99, one-time). Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your Apple Account is charged for renewal within 24 hours before the period ends. Manage or cancel subscriptions in Account Settings after purchase.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://birkanaksoy.github.io/executiveos-site/privacy.html

## Is Executive OS safe?

Not enough ratings yet to assess Executive OS.

## Is Executive OS legit?

Executive OS: Decision Journal appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Executive OS is 70 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 1.1.0 — 2026-10-06

1.1.0 — Judgment you can measure.

CALIBRATION
State your own confidence on every decision, then record what actually happened. Executive OS scores you with a Brier score, plots your calibration curve against perfect calibration, and breaks it down by domain — people, capital, strategy, commercial, wealth, personal. Before you commit to a number, it shows you what happened the last times you felt exactly this certain.

Book a review date on any decision and get one reminder on the day. Open loops surface on your home screen and in a new Judgment widget.

EXECUTIVE SEARCH
One field across every decision, task, retrospective, holding and playbook. Entirely on device. Vault secrets are never indexed.

ON-DEVICE DECISION ANALYSIS
The Decision Engine now reasons with Apple Intelligence on your device — no API key, no network. Falls back to the built-in framework where unavailable, and always tells you which produced the analysis.

FIXES
• Net worth now converts across currencies instead of adding them together. Concentration, liquidity and the Wealth and Risk scores were all affected.
• Scores show "—" instead of inventing a number when there is nothing to measure.
• A record that cannot be decrypted is reported, not silently replaced with sample data.
• The Founder Series number no longer changes between the app and its widgets.
• Widgets now read live data from the app.
• All 501 aphorisms are now reachable; 135 of them never appeared before.
• Streak freeze days refill annually, and travelling west no longer resets your streak.
• Backup import rejects malformed entry names.

### 1.0.4 — 2026-09-07

1.0.4 — Apple Intelligence, StandBy Mode, and a wristworn companion.

• Apple Watch companion — glanceable priority, aphorism, and Founder No. on your wrist.
• StandBy Mode dashboard — bedside night display with today's aphorism and tomorrow's first priority.
• Interactive Lock Screen widgets — tap to record a decision from the lock screen.
• On-device Apple Intelligence — Voice Journal and briefing summarization now run entirely on-device with no API key needed.
• Writing Tools — Proofread, Rewrite, Summarize now available in Decision Engine, Investor Update, and Weekly Retro.
• Siri Shortcuts expansion — Record Decision, Read Today's Aphorism, Start Weekly Retro.
• iPad-native — enriched sidebar with Playbooks and Weekly Retro. Apple Pencil handwriting → text via on-device Vision OCR.
• +5 CEO Playbooks (Series B Prep, Firing a Cofounder, Product Review, Compensation Philosophy, PR Crisis).
• +5 Decision Archetypes (Layoff, Pricing Change, Geographic Expansion, Executive Coach Hire, Cofounder Comp Rebalance).
• +150 curated aphorisms — Seneca, Taleb, PG, Dalio, Thiel, Andreessen, Horowitz, Altman, Marks and more. 500+ total.

### 1.0.3 — 2026-06-10

1.0.3 — Full localization.

• Complete UI translation across 18 languages — every visible string now adapts to your device language.
• Tab bar, buttons, settings, empty states, onboarding, vault, decision engine, founder tools — all translated.
• Long-form content (Aphorisms, CEO Playbooks, Decision Archetypes) intentionally remains in English — curated literary content in its original voice.

### 1.0.1 — 2026-06-03

No release notes.

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All apps by Birkan Aksoy: https://appshunter.io/developer/1626910993

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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 2026-10-16.*