Comparison

FileAI Diary vs Subnotes

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

FileAI Diary

Features
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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

About

Subnotes

Read full description

Subnotes is a plain-text notes and to-do list app for iPhone, iPad & Mac. Any line you write can become a task. โ€ข Thoughts and tasks, side by side โ€” jot things down like a paper notebook, then switch views to see everything organized by priority, automatically. โ€ข Editing a task is just editing text โ€ข Recurring tasks and due dates โ€ข Link notes together to connect related thinking โ€ข 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

FileAI Diary4 screens
Subnotes4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FileAI Diary ships an update every 4 weeks, Subnotes weekly. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

Scorecard2 real differences ยท 4 level
FileAI Diary versus Subnotes: the parameters behind the verdict, then further details
ParameterFileAI DiarySubnotes
PriceFreeFree
Update frequencyEvery 4 weeksWeekly โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS13.0 โ€” better26.0
Further details โ€” not scored
Size52 MB4 MB
Age rating4+4+
DeveloperMing Hei TsuiMartin Ramsin

In-app purchases

None

FileAI Diary

No in-app purchases

None

Subnotes

No in-app purchases

Questions

Is FileAI Diary free?
FileAI Diary is free to download, with no in-app purchases.
Is Subnotes free?
Subnotes is free to download, with no in-app purchases.
Do FileAI Diary or Subnotes have ads?
Neither FileAI Diary nor Subnotes shows ads.
Which is updated more often, FileAI Diary or Subnotes?
FileAI Diary ships an update every 4 weeks, and Subnotes weekly. Most recently, FileAI Diary was updated on October 31, 2026 and Subnotes on November 10, 2026.

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