Comparison

FileSizeFix vs AI Office

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

Head to head
About

FileSizeFix

Easily reduce the size of photos, videos, documents, and audio files directly on your device. Achieve exact file sizes for emails, uploads, or sharing, with options to edit and protect your privacy.

Highlights
  • Compress photos, videos, PDFs, audio, and documents
  • Set exact target file sizes in KB or MB
  • Resize images to specific pixel dimensions
  • Batch processing for multiple files
  • Offline processing and privacy protection
  • Edit images, videos, and PDFs before export
  • Scan paper documents to PDF
Features
Read full description

Make any file small enough to send, upload or attach. FileSizeFix compresses photos, PDFs, videos, audio and Office documents to the exact size you need — entirely on your device. Typical jobs it solves: • Email attachment too large: compress photos to 100 KB or a PDF to 1 MB • Job application: shrink your CV or certificate PDF to the portal's limit • Send a video that is too big for chat: make the MP4 smaller in one step • Resize an image to exact pixels for a profile photo, form or website Hit an exact size: • Set a target in KB or MB and get a file that fits • Choose exact pixel dimensions for photos and videos • Presets for 50 KB, 100 KB, 200 KB, 500 KB and 1 MB • Compare before and after with a live preview Every file you need to send: • Photos: JPG, PNG, HEIC, WEBP, AVIF, SVG and more • Documents: PDF, Word, Excel and PowerPoint • Video and audio, including format conversion • Scan paper documents straight to a multi-page PDF Built for upload limits: • Smart Fix reads the requirements from a screenshot and prepares matching files • Batch several files in one run • Save to Files or Photos, or share directly Privacy comes standard: • Files are processed on your device and never uploaded • Works completely offline • Review and remove metadata such as GPS before sharing • Blur or pixelate faces, text and license plates in photos and videos Edit before you export: • Crop, rotate and resize images • Trim, crop, rotate or mute videos • Edit, annotate and sign PDFs and scans Formats it opens: • Images: JPG, PNG, HEIC, WEBP, AVIF, GIF, TIFF, BMP, SVG and camera RAW • Documents: PDF, Word (DOCX), Excel (XLSX) and PowerPoint (PPTX) • Video: MP4, MOV, M4V, 3GP, MPG and MPEG • Audio: MP3, M4A, AAC, WAV, AIFF, FLAC and OGG • Some formats depend on the codecs your device supports In three steps: • Add files from your photos, your file manager or another app's share menu • Set the goal: a size in KB or MB, exact pixel dimensions, or a preset • Check the preview, then save a new file or share it straight away Good to know: • No account, no sign-up and no cloud — it works in airplane mode • Your originals are never overwritten; every result is a new file • Batch mode applies the same target to many files in one run • Quality stays as high as the target size allows, and you see it before saving Selected files and their contents are processed on your device and are not uploaded to a server. Detection results are suggestions and can miss content, so always check the preview before exporting. FileSizeFix is free with no limit on how many files you compress. Ads keep it free: a short full-screen ad runs while a job is processing, and the finished files are ready the moment it closes — saving, exporting and sharing are never interrupted by advertising. FileSizeFix Pro is an optional auto-renewing subscription, monthly or yearly, that removes all ads — every tool stays available either way. Prices are shown before purchase and may vary by country. The subscription renews automatically unless canceled and can be managed in your store account settings. Privacy Policy: https://filesizefix.com/privacy/ Terms of Use: https://filesizefix.com/terms/ Download FileSizeFix and get any file under the limit.

About

AI Office

This app combines document editing, AI writing assistance, and PDF tools into a single workspace. It helps users create, organize, and manage files efficiently, with features for text recognition and file conversion.

Highlights
  • AI writing assistance
  • Document, spreadsheet, presentation creation
  • PDF editing and conversion
  • Text and table recognition from images
  • File organization and management
  • Merge, split, and reduce PDF size
Features
Read full description

AI Office brings documents, spreadsheets, presentations, PDFs, and AI-powered tools together in one workspace, helping you write, organize, read, edit, and manage files more efficiently. Whether you are working with study materials, business documents, reports, proposals, or everyday files, you can handle more of your work in one place. Create and Organize Files Start with a blank document, spreadsheet, or presentation, or ask AI to help generate initial content based on your instructions. If you already have an existing file, you can import supported formats to continue viewing, organizing, and editing your content. You can also: • View recently used files • Search and organize files • Mark important content as favorites • Switch between documents, spreadsheets, and presentations • Keep frequently used work in one place AI Writing Assistance When you need help drafting, improving, or organizing text, AI can assist with: • Generating content from your instructions • Creating documents with AI • Polishing and improving existing writing • Continuing unfinished content • Summarizing longer text • Extracting key information • Helping draft and refine emails • Exploring and understanding content in supported files AI-generated content can be used as a starting point or reference. Review, edit, and confirm the final content before using it for important purposes. PDF and File Tools In addition to document editing, AI Office includes practical tools for working with files: • Convert supported file formats • Merge PDF files • Split PDF files • Reduce PDF file size • Add text watermarks to PDFs • Add signatures to PDFs • Protect PDFs with a password • Turn images into PDF files Text and Table Recognition You can also work with text and tables found in images and scanned materials: • Recognize text from supported images and content • Extract tables and export them as Excel files (.xlsx) Recognition results may vary depending on image quality, layout, language, lighting, and source clarity. Review recognized text and table data before relying on it. A More Focused Office Workspace AI Office brings writing, reading, organizing, editing, and file tools into one focused workspace, making common features easier to access and reducing the need to switch between multiple apps. Use it to organize study materials, prepare reports, create proposals, work with PDFs, extract text and tables, or use AI to speed up drafting and content refinement. Some features may require an internet connection. Available functions may vary depending on file type, file quality, device compatibility, system permissions, and service availability. Review AI-generated, recognized, or converted content before using it for important purposes. Do not upload confidential, sensitive, or restricted information unless you have the right and authorization to process it. Premium Features For access to additional AI and file tools, you can choose to upgrade to a premium plan. Available plans, included features, and pricing are clearly shown before purchase, so you can choose the option that best fits your needs. Subscription plans renew automatically based on the selected billing period unless canceled. You can manage or cancel your subscription at any time through your App Store account settings. Privacy Policy: https://yuzhilintech.com/pp/6796604488/ Terms of Use: https://yuzhilintech.com/tou/6796604488/

Screenshots

FileSizeFix4 screens
AI Office4 screens

Verdict

The call

The clearest difference is in-app purchases: AI Office at none against FileSizeFix's 2. AI Office also leads on ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FileSizeFix sells 2 in-app purchases, starting at $1.99 per month. AI Office asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FileSizeFix against 5.0 for AI Office. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 28, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 8 level
FileSizeFix versus AI Office: the parameters behind the verdict, then further details
ParameterFileSizeFixAI Office
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size50 MB54 MB
Age rating4+4+
DeveloperDeep Platforms GmbHXi'an Yuzhilin Network Technology Co., Ltd

Customer experience

FileSizeFix

Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

AI Office

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

FileSizeFix

Subscriptions2
  • FileSizeFix Pro Monthly$1.991 Month
  • FileSizeFix Pro Yearly$17.991 Year
None

AI Office

No in-app purchases

Questions

Is FileSizeFix free?
FileSizeFix is free to download, with in-app purchases available.
Is AI Office free?
AI Office is free to download, with no in-app purchases.
Which has better reviews, FileSizeFix or AI Office?
FileSizeFix and AI Office are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do FileSizeFix or AI Office have ads?
FileSizeFix shows ads; AI Office does not.
Which is updated more often, FileSizeFix or AI Office?
FileSizeFix ships an update every 3 weeks, and AI Office every 3 weeks. Most recently, FileSizeFix was updated on October 28, 2026 and AI Office on October 19, 2026.

Other comparisons