Comparison

FileAI Diary vs AI Brief

Price, ratings, monetisation and update history for both apps, side by side — 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 — 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 — 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

AI Brief

Features
Read full description

Better context. Better answers. Turn screenshots, files, notes, and documents into one clear AI-ready brief. BRING THE COMPLETE CONTEXT • Add screenshots, PDFs, files, copied text, notes, or links. You choose what stays in the final brief. • OCR, PDF reading, duplicate checks, fact extraction, and privacy detection use Apple frameworks locally. • Mix and match as many sources as you need — everything comes together in one clean brief. VERIFY THE FACTS BEFORE AI SEES THEM • Every fact keeps its source and confidence. Correct anything that needs context. • Find facts, conflicts, and open questions • Check every fact, source, and confidence before AI sees it. PROTECT PRIVACY • Detected details are never removed automatically. Keep, replace, or remove each item before export. • Keep, replace, or remove each detection. AI Brief never promises anonymity. • Replacements and removals are applied at export. CLEAN CONTEXT FOR ANY AI ASSISTANT • Structured headings and source-ready formatting • Build context once. Reuse it anytime. • Copy the finished brief in one tap and paste it into any AI chat • Version history — every earlier draft stays within reach • Purpose-built templates YOUR CONTEXT STAYS PRIVATE • AI Brief does not include third-party ads, tracking, analytics, or content telemetry. • Review the brief before sending it to any AI service. Optimized for iPhone Duo.

Screenshots

FileAI Diary4 screens
AI Brief4 screens

Verdict

The call

The clearest difference is in-app purchases: FileAI Diary at none against AI Brief's 1. FileAI Diary also leads on iOS requirement (13.0 vs 17.0). AI Brief's advantage is update cadence (every 9 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. AI Brief sells 1 one-off in-app purchase. FileAI Diary asks for nothing beyond the download.

UpkeepUpdate frequency

FileAI Diary ships an update every 4 weeks, AI Brief every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard3 real differences Ā· 3 level
FileAI Diary versus AI Brief: the parameters behind the verdict, then further details
ParameterFileAI DiaryAI Brief
PriceFreeFree
Update frequencyEvery 4 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size52 MB9 MB
Age rating4+4+
DeveloperMing Hei TsuiGuan Feng Lai

In-app purchases

None

FileAI Diary

No in-app purchases

1 purchases

AI Brief

One-time1
  • AI Brief Pro$4.99

Questions

Is FileAI Diary free?
FileAI Diary is free to download, with no in-app purchases.
Is AI Brief free?
AI Brief is free to download, with in-app purchases available.
Do FileAI Diary or AI Brief have ads?
Neither FileAI Diary nor AI Brief shows ads.
Which is updated more often, FileAI Diary or AI Brief?
FileAI Diary ships an update every 4 weeks, and AI Brief every 9 days. Most recently, FileAI Diary was updated on October 24, 2026 and AI Brief on October 25, 2026.

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