FileAI Diary vs Subnotes
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
FileAI Diary
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FileAI Diary combines a private diary, secure file storage, and on-device AI โ all in one app. Your data stays on your device, never uploaded to the cloud. PRIVATE DIARY - Write daily entries with mood & weather tracking - Add tags and to-do lists to each entry - Browse entries with a calendar view - AI-powered diary review: content feedback, emotional analysis, self-improvement suggestions, and ratings โ all on-device ON-DEVICE AI DOCUMENT TOOLS - 9 AI tools: Structure, Vocabulary, Quiz, Flashcard, Q&A, Timeline, Concept Summary, Bullet Summary, and Analysis Report - Works entirely offline using on-device AI models - Supports PDF, DOCX, and TXT files - Save AI reports as JSON for later review SECURE WIFI FILE SERVER - Turn your phone into a local file server - Transfer files to/from your computer via any web browser - Drag & drop uploads, ZIP downloads - Two-pane file manager for organizing between folders - No cables, no cloud, no file size limits PRIVACY & SECURITY - Gesture pattern lock for app access - Hidden folders for sensitive files - Password-protected web access with session tokens - All data stays in private app storage TEXT-TO-SPEECH READER - Listen to documents hands-free - Sentence-by-sentence playback with word highlighting - Adjustable speed and voice selection SHARE EXTENSION - Receive files from other apps directly into your vault - Use AI tools on shared documents instantly CUSTOMIZABLE - Light & dark mode with 20 accent colors - Multi-language interface - Works on phones and tablets - No ads, no subscriptions, no tracking
Subnotes
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Subnotes is a plain-text notes and to-do list app for iPhone, iPad & Mac. Any line you write can become a task. โข Thoughts and tasks, side by side โ jot things down like a paper notebook, then switch views to see everything organized by priority, automatically. โข Editing a task is just editing text โข Recurring tasks and due dates โข Link notes together to connect related thinking โข Templates for weekly reviews, meeting notes, habit tracking, trip planning, and more. Note-taking and task planning are deeply personal โ so Subnotes stores everything as plain text, not a proprietary format. Copy, paste, or export anytime. It also syncs privately over your own iCloud account: no signup, no account creation, no servers but Apple's. For iPhone, iPad, and Mac
Screenshots
Verdict
The clearest difference is update cadence: Subnotes at weekly against FileAI Diary's every 4 weeks. FileAI Diary's advantage is iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FileAI Diary ships an update every 4 weeks, Subnotes weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.
| Parameter | FileAI Diary | Subnotes |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Weekly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 52 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Ming Hei Tsui | Martin Ramsin |
In-app purchases
FileAI Diary
No in-app purchases
Subnotes
No in-app purchases









