Comparison

HOOH AI PDF Document Assistant vs multi

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

Head to head
About

HOOH AI PDF Document Assistant

This AI-powered workspace helps you manage and understand your documents. It allows you to chat with PDFs, summarize content, edit forms, and search across your private files. Keep your important papers organized and accessible.

Highlights
  • Chat with PDFs and documents
  • Summarize long documents
  • Edit and fill forms
  • Search across documents
  • Organize personal papers
  • Work in preferred language
Features
Read full description

Hooh is a private AI workspace for the documents that run your life and work. Upload PDFs, scans, photos, presentations, images, forms, bills, leases, contracts, statements, notes and reports. Hooh turns them into a clear workspace where you can read, understand, edit, fill and sign without jumping between apps. Ask questions in natural language and get grounded answers from your files. Generate concise summaries, pull key points and dates, search across documents, and keep context from one document to the next. When paperwork gets dense, Hooh helps you see what matters, what needs attention and what to do next. What you can do with Hooh: - Chat with PDFs, scans, and files - Summarize long documents in seconds - Find dates, deadlines, amounts and key terms - Edit, fill and sign forms - Search across your private document workspace - Keep bills, contracts, medical records, school forms and personal papers organized - Work in your preferred language Hooh supports working with PDFs, DOCX, PPTX and all major image formats. Privacy is built into Hooh. Your data is private, encrypted and never used to train AI models. You stay in control of what you upload and can delete files when you choose. Hooh can make documents easier to understand, but it does not replace legal, medical, financial or other professional advice. Always verify important details in the original document. Hooh subscriptions unlock higher limits and advanced document work, including more summaries, Q&A and processing capacity. Subscription details are shown before purchase and can be managed in your Apple ID settings. By downloading or using Hooh, you agree to our Terms of Use and Privacy Policy. Terms of Use: https://hooh.ai/terms Privacy Policy: https://hooh.ai/privacy

About

multi

Features
Read full description

multi-ai is the fastest way to get answers from multiple AIs at once — and a synthesized "best" final answer. WHY MULTI-AI?multi-ai is the fastest way to get answers from multiple AIs at once - and a synthesized best final answer. WHY MULTI-AI? Different AI models have different strengths. GPT-OSS is fast and free. Claude is great at nuance. Gemini handles long context. Instead of asking each one separately and comparing tabs, ask them all at once in multi-ai. Then let another AI read all the answers and synthesize the most useful conclusion. FEATURES - 100% FREE models: GPT-OSS (OpenAI's open-source GPT), Llama 3 & 4, Qwen, plus Gemini Flash and Claude Haiku - usable without payment. - 4 MODES: Single, Compare, Synthesis (A + B + a third AI that combines them), and Extended (4-5 AIs at once). - SMART SYNTHESIS: the synthesis column reads every response and gives you a wrap-up - what they agree on, what they disagree on, and a balanced final conclusion. - 9 LANGUAGES: English, Korean, Japanese, Chinese, Spanish, French, German, Portuguese, Vietnamese - auto-detected. - BRING YOUR OWN KEY (optional): register your own API key for Claude, GPT, or Gemini and pay the provider directly. - PRIVACY-FIRST: we don't sell your data and we don't train AI on it. Delete your account anytime. Stop tab-hopping between AI tools. Ask once, compare, and decide with confidence. Different AI models have different strengths. GPT-OSS is fast and free. Claude is great at nuance. Gemini handles long context. Instead of asking each one separately and comparing tabs, ask them all at once in multi-ai. Then let another AI read all the answers and synthesize the most useful conclusion. FEATURES - 100% FREE models: GPT-OSS (OpenAI's open-source GPT), Llama 3 & 4, Qwen, plus Gemini Flash and Claude Haiku — usable without payment. - 4 MODES: Single, Compare (two AIs side by side), Synthesis (A + B + a third AI that combines them), and Extended (4-5 AIs at once). - SMART SYNTHESIS: the synthesis column reads every response and gives you a wrap-up — what they agree on, what they disagree on, and a balanced final conclusion. - 9 LANGUAGES: English, Korean, Japanese, Chinese, Spanish, French, German, Portuguese, Vietnamese — auto-detected. - BRING YOUR OWN KEY (optional): register your own API key for Claude, GPT, or Gemini and pay the provider directly. - PRIVACY-FIRST: we don't sell your data and we don't train AI on it. Delete your account anytime. Stop tab-hopping between AI tools. Ask once, compare, and decide with confidence.

Screenshots

HOOH AI PDF Document Assistant4 screens
multi2 screens

Verdict

The call

The clearest difference is in-app purchases: multi at none against HOOH AI PDF Document Assistant's 4. multi also leads on ads (none vs shown) and device support (3 vs 1). On price 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. HOOH AI PDF Document Assistant sells 4 in-app purchases, starting at $9.99 per month. multi asks for nothing beyond the download.

Scorecard4 real differences · 6 level
HOOH AI PDF Document Assistant versus multi: the parameters behind the verdict, then further details
ParameterHOOH AI PDF Document Assistantmulti
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 days—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.615.0 — better
Further details — not scored
Size42 MB4 MB
Age rating17+4+
DeveloperHooh IncJune Lee

In-app purchases

4 purchases

HOOH AI PDF Document Assistant

Subscriptions4
  • Hooh Pro Monthly$9.991 Month
  • Premium Monthly$19.001 Month
  • Hooh Pro Yearly$99.001 Year
Show 1 more
  • Premium Yearly$199.001 Year
None

multi

No in-app purchases

Questions

Is HOOH AI PDF Document Assistant free?
HOOH AI PDF Document Assistant is free to download, with in-app purchases available.
Is multi free?
multi is free to download, with no in-app purchases.
Do HOOH AI PDF Document Assistant or multi have ads?
HOOH AI PDF Document Assistant shows ads; multi does not.

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