AI PDF Reader vs TopicFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI PDF Reader
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Stressed student drowning in dense textbooks? Busy professional wasting hours scrolling through long reports or legal contracts? Stop reading line-by-line and start getting answers. Meet your personal AI PDF companion. This is not just a PDF viewer; it is an intelligent document-grounded assistant designed for high-speed comprehension and smarter studying. It is like having an expert researcher in your pocket, ready to summarize, explain, and extract data from any document instantly. Whether it’s academic papers, scanned handouts, financial reports, or business agreements, simply import your file. Instead of reading, start a conversation. Ask questions, get bulleted breakdowns, and repackage complex document knowledge into study-friendly or decision-ready formats. Talk to Your PDFs (Interactive Chat) Skip the search bar. Use natural language to ask your document questions. Get instant, accurate responses based only on the text within your PDF. Ideal for quick data extraction or understanding difficult concepts. Grounded Answers with Citations (Zero Hallucination) Never trust a generic chatbot again. Our advanced AI stays grounded in your source text. Every answer includes a clickable citation link with page numbers, jumping you directly to the exact evidence in the PDF viewer. Perfect for academic referencing and legal review. Instant AI Summaries & Study Guides Generate instant, comprehensive summaries, detailed bullet breakdowns, key takeaway lists, or simple explanations the moment you upload a file. Turn dense materials into digestible study guides, exams Q&As, or flashcards instantly. Smarter Reading Workspace You control the AI’s focus. Choose exactly which pages to include in the AI’s context, allowing for a hyper-targeted and bounded analysis of only relevant chapters. Includes a local personal library dashboard to keep your recent documents organized. Gemini OCR for Scanned Documents Unlocking knowledge from photographed notes or old handouts? Use advanced Gemini OCR technology to recognize and improve text in scanned or text-poor PDFs, making them fully interactive and chat-ready. FOR STUDENTS: Ace your courses by rapidly digesting lecture materials, extracting quotes for essays, preparing for exams with AI-generated Q&As, and utilizing study features. FOR YOUNG PROFESSIONALS: Increase productivity by rapidly reviewing contracts, summarizing deposition transcripts, finding specific clauses in agreements, and analyzing market reports for faster decision-making. Download and experience the core value for free! Basic (Free): 2 PDFs per week (Max 5 pages upload, 3 context pages) 10 questions per week High-speed reading comprehension Pro Subscription: Unlock massive capacity for heavy researchers and professionals: Up to 999 pages per file Unlimited document imports 200 questions per day Full access to Gemini OCR workflows Work smarter, read faster, and find exactly what you are looking for. Download AI PDF Reader today. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
TopicFlow
This app transforms AI conversations into structured, reusable notes, plans, and summaries. It allows users to branch discussions for focused follow-ups and capture key ideas before they are lost. Organize your AI-generated content locally and export it when ready.
- Transform AI chats into reusable notes
- Branch conversations for focused follow-ups
- Capture and organize key ideas
- Refocus AI discussions without re-prompting
- Export and share selected content
- Local topic history organization
- Connect own AI provider keys
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TopicFlow turns AI chats into reusable notes, plans, outlines, decisions, and summaries. Instead of leaving every AI conversation as one long thread, TopicFlow gives your thinking structure. Keep your main line clear, branch into focused follow-up chats, then bring the strongest results back into reusable work. What you can do with TopicFlow: - Capture ideas before they disappear from long chat threads. - Branch AI chats for questions, alternatives, research notes, and next steps. - Refocus a conversation without rewriting prompts from scratch. - Turn selected discussion into notes, plans, requirements, decision records, or summaries. - Organize topic history locally on your device. - Use TopicFlow subscription access for DeepSeek-powered AI inside the app. - Export and share only when you choose. - Back up to your own iCloud or Google Drive app data space when backup is enabled. TopicFlow is built for writers, founders, builders, students, and independent thinkers who want AI conversations to produce durable work instead of disposable chat history. Important: TopicFlow subscription access unlocks the app workflow and hosted DeepSeek-powered AI features. AI availability, quotas, fees, rate limits, output rules, and terms may still be governed by DeepSeek and app store purchase rules. Terms of Use (EULA): https://specaxe.com/terms
Screenshots
Verdict
AI PDF Reader and TopicFlow 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
Both are free to download. AI PDF Reader sells 2 in-app purchases, starting at $6.99 per 7 days and TopicFlow sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | AI PDF Reader | TopicFlow |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 15.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | CodeCross | 亦君 潘 |
In-app purchases
AI PDF Reader
- Unlimited Access to AI PDF Reader$6.997 Days
- Unlimited Access to AI PDF Reader$19.991 Month
TopicFlow
- TopicFlow Monthly Subscription$4.991 Month
- TopicFlow Yearly Subscription$29.991 Year
- TopicFlow Lifetime Access$69.99









