Comparison

Multi vs Authora

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

Head to head
About

Multi

Features
Read full description

Multi PDF Chat is an AI-powered document assistant that helps you chat with multiple PDFs in one place. You can ask questions, summarize long sections, and find key information instantly without scrolling through hundreds of pages. What You Can Do Chat with multiple PDFs in one conversation. Ask questions in natural language and get accurate, relevant answers. Summarize long documents into clear and concise takeaways. Convert scanned PDFs and image-based files into searchable text using OCR. Chat about documents in different languages. Keep your files private with secure processing and local control. Access your documents and chat history across all your devices. How It Works Import one or more PDF files. Ask a question or request a summary. Get responses drawn directly from your uploaded documents. Continue the conversation to explore more details. Who It Is For Students: study faster with summaries and instant answers. Researchers: analyze and compare papers efficiently. Professionals: review reports, proposals, and contracts quickly. Writers and analysts: extract facts, references, and data on demand. Privacy and Security Your documents are processed securely. They are never shared or used to train models. You can delete your files and chat history anytime. Why Choose Multi PDF Chat Chat with multiple PDFs at once. Get quick and reliable AI answers. Summarize, search, and understand long documents easily. Works with scanned files and supports many languages. Built with privacy, speed, and accuracy in mind. Download Multi PDF Chat today and transform the way you read, study, and work with documents. Privacy Policy: https://onachat.buildinstaller.com/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Authora

This writing companion helps aspiring authors reclaim lost minutes for their book projects. It offers tools for writing, storyboarding, and self-publishing directly from a mobile device, turning commutes and waiting times into productive writing sessions.

Highlights
  • Six writing format templates
  • Rich text editor optimized for mobile
  • Storyboard for characters, plot, and world-building
  • Export to EPUB/PDF for self-publishing
  • Speech-to-text dictation
  • On-device writing analysis
  • Encrypted cloud sync (Premium)
Features
Read full description

Turn waiting into writing. Most people who want to write a book never finish one - not for lack of ideas, but for lack of time to sit down. Authora is a mobile writing companion built for the life you actually have. Waiting rooms, commutes, flight delays, lunch breaks - the minutes that usually disappear into doomscrolling, reclaimed for the book you've always meant to write. WRITE ANYWHERE Six format templates - novel, journal, manuscript, academic paper, non-fiction, poetry collection. Rich text editor optimised for phones and tablets, not a desktop UI stuffed onto a small screen. Auto-save every two seconds. Focus mode for distraction-free writing. Preview mode to read your draft as a reader will see it. STORYBOARDING THAT MATCHES HOW WRITERS THINK Characters with bios, traits, and relationships. Plot arcs with scenes you can link to chapters. World-building notes. Colour-coded labels. Keep the people, places, and threads of your story organised without leaving your phone. FROM BLANK PAGE TO PUBLISHED BOOK Authora isn't just a writing app - it's a self-publishing pipeline. When your draft is done, add a cover image, and export as EPUB or PDF that's ready to upload straight to Amazon KDP, Apple Books, or Kobo. Front matter, back matter, TOC, metadata - all handled. Your finished book goes into your personal library inside Authora too, readable with a built-in ebook reader. No separate formatting tool. No desktop required. Draft to published, all on your phone. CAPTURE ON THE GO Speech-to-text dictation with live transcription. Chapter import from .docx, .rtf, and .txt - start with existing drafts, no retyping. On-device writing analysis flags passive voice, adverb overuse, clichés, and readability issues as you write. FREE FOREVER, PREMIUM WHEN YOU'RE READY Full writing experience, export, personal library, and a starter storyboard - all free, all local, no account required. Premium ($4.99/mo or $49.99/yr) adds encrypted cloud sync and backup across phone and tablet, unlimited storyboarding, inline figures with captions, and priority support. PRIVATE BY DEFAULT Free users never sign in. Premium users' chapters, world notes, character bios, and plot descriptions are encrypted at rest with AES-256, and in transit with TLS - even in a breach, your draft stays unreadable. Biometric app lock on both platforms. We never read your work, never train on your writing, never sell your data. BUILT FOR PHONES AND TABLETS Native iOS App. Dark and light theme. Responsive layout on tablets. Biometric unlock. Full offline support. Dashboard showing word count trends and your completion stats. The book is already in you. Authora is where you finish it.

Screenshots

Multi4 screens
Authora4 screens

Verdict

The call

Multi and Authora are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Multi sells 2 in-app purchases, starting at $2.99 per 7 days and Authora sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Multi versus Authora: the parameters behind the verdict, then further details
ParameterMultiAuthora
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequency—Every 9 days
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size23 MB41 MB
Age rating4+4+
DeveloperAshish RattanRonan Campbell

In-app purchases

2 purchases

Multi

Subscriptions2
  • Pro Access Weekly$2.997 Days
  • Pro Access Yearly$29.991 Year
2 purchases

Authora

Subscriptions2
  • Authora Premium (Monthly)$4.991 Month
  • Authora Premium (Yearly)$49.991 Year

Questions

Is Multi free?
Multi is free to download, with in-app purchases available.
Is Authora free?
Authora is free to download, with in-app purchases available.
Do Multi or Authora have ads?
Neither Multi nor Authora shows ads.

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