Sentiary
Ken Ishizaka Lifestyle iPhoneiPadiPod touch
Sentiary is a free Lifestyle app for iPhone and iPad by Ken Ishizaka. Requires iOS 17.0. Updated May 6, 2026.
- Price
- Free
- on the App Store
- Size
- 16 MB
- Age 17+
- Updated
- May 6
- 2026 · viOS 1.0.2
Screenshots
About Sentiary
Sentiary is a voice diary + AI reflection app that helps you organize your mind just by talking. Hit the record button, speak about your day, and AI will turn it into clean text, summaries, and emotion tags. ◆ What you can do with Sentiary Record a 3‑minute voice diary with a single tap Let AI rewrite your speech into readable text Automatically generate emotion tags (“happy”, “anxious”, “tired”, etc.) Get a weekly summary, insights, and one‑line advice from your diaries Save key insights to “My Insights” and revisit them later See your emotional trends on a simple heatmap ◆ Perfect for people who… Want to keep a diary but hate typing Want to understand their emotional patterns more objectively Struggle to put feelings into words Want to notice mental changes before burning out ◆ Privacy Your audio and diary entries are stored primarily on your device and your personal backend only. When you use Pro features, only the text of your diary is sent to the AI (OpenAI API) for formatting and analysis. Audio files are never sent to external AI services. ◆ Pro features “Format with AI” “Generate emotion tags” “AI summary & analysis” Emotion heatmap and weekly report These are available via a one‑time Pro upgrade (around ¥500 / $5 / £5 / €5, depending on region). Try recording and transcribing for free first. Just talking for a few minutes a day can make your inner patterns much easier to see. Subscriptions Sentiary offers an auto-renewing subscription (“Pro”). Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your App Store account settings after purchase. Terms of Use (EULA): https://www.notion.so/Terms-and-Conditions-3299ba5c4cbd80c695dad7e45f4ff5e1?source=copy_link Privacy Policy: https://www.notion.so/Sentiary-Privacy-Policy-31d9ba5c4cbd8084a3f3c6e4ce26b7c7?source=copy_link
What’s new
Version iOS 1.0.2 · Updated May 6, 2026
This version incorporates pro-AI functions upon subscription. It has also added an explanation of the subscription itself.
App privacy
The developer, Ken Ishizaka, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Purchases: Purchase History
- Financial Info: Credit Info, Other Financial Info, Payment Info
- User Content: Other User Content
- Search History: Search History
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction, Other Usage Data
- Sensitive Info: Sensitive Info
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Other Data: Other Data Types
Used for: Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Financial Info: Payment Info
Used for: Analytics
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Sentiary | – | Free | May 6, 2026 | |
| 暗渠の地図 | – | Free | Sep 18, 2026 | Compare |
| ワイ・ワイ・カンパニー 公式アプリ | – | Free | Dec 7, 2025 | Compare |
| StampIt! - Habit formed | – | Free | Sep 17, 2026 | Compare |
| Outfit & Wardrobe: StylaDay | 4.4 / 5 (5) | Free | Oct 12, 2026 | Compare |
| PUMP Climbing Gym | – | Free | Aug 27, 2026 | Compare |
| タダコピSP | – | Free | May 12, 2026 | Compare |
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