PDF AI vs Sticko
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF AI
This application offers a comprehensive suite of AI-powered tools for managing PDF documents. Users can edit text and images, generate AI summaries, convert files to various formats, and securely sign documents. It prioritizes speed and privacy with local processing and encryption.
- Edit PDF text and images
- AI-powered summaries and highlights
- Annotate and collaborate on documents
- Fill and e-sign forms
- Convert PDFs to Word, Excel, PPT, Images, TXT
- Secure offline scanning and organization
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AI-powered PDF toolkit built for speed, security, and clarity. Chat with PDFs, summarize long documents, generate slides, create podcast-style audio, scan, edit, convert, sign, and collaborate—without friction. What you can do • Chat with PDFs: Ask questions and get instant answers from documents. • Summarize smarter: Turn long PDFs, reports, papers, and books into clear key points. • Generate with AI: Create slides, podcast-style audio, visual digests, and insight cards from documents. • Edit PDFs: Modify text, images, and layout with precision. • Read smarter: AI summaries, highlights, bookmarks, day/night/Sepia. • Annotate & collaborate: Highlight, underline, notes, sketches, comments, and share. • Fill & sign: Complete interactive forms and e‑sign on the go. • Convert fast: PDF ⇄ Word/Excel/PPT/Images/TXT with high fidelity. • Scan & organize: Scan documents, extract text with OCR, search, manage, and work offline securely. Why it’s better • AI tools for reading, understanding, presenting, and listening to documents. • Lightning-fast viewer for large PDFs. • Privacy-first: local processing and strong encryption. • Professional output, zero watermarks for subscribers. • Continuous updates with new AI capabilities. VIP (auto‑renewable subscriptions) • Monthly or yearly plans available. • Unlock premium tools: advanced editing, full‑text search, batch processing, high‑quality exports, AI summaries, AI chat, AI slides, podcast-style audio, visual digests, OCR, conversion tools, and more. Policies • Privacy: https://sophoninc.com/privacy.html • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Terms of Service: https://sophoninc.com/terms.html Contact • Email: feedback@sophoninc.com
Sticko
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Sticko is the iPhone and iPad companion to Sticko for Mac. Your sticky notes follow you everywhere through iCloud — no account or sign-in required. • See and edit every note you've written on your Mac • Rich text, inline images and checklists • Six note colors, tags and pinning • Home Screen widget: keep your most important note in view • Automatic iCloud Drive sync with all your devices • Works offline and syncs when you're back online • No accounts, no tracking, no ads — Sticko collects no data Your notes are stored in your own iCloud Drive, protected by Apple.
Screenshots
Verdict
The clearest difference is in-app purchases: Sticko at none against PDF AI's 5. Sticko also leads on ads (none vs shown). PDF AI's advantage is iOS requirement (15.0 vs 17.0). On price and device support 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
Both are free to download. PDF AI sells 5 in-app purchases, starting at $7.99 per 7 days. Sticko asks for nothing beyond the download.
| Parameter | PDF AI | Sticko |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (163 ratings) — better | — |
| Positive reviews | 88.4% of reviews | — |
| Number of ratings | 163 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 169 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Yang Yang | JINHONG KIM |
In-app purchases
PDF AI
- Weekly VIP$7.997 Days
- Weekly VIP$9.997 Days
- Weekly VIP3 Days trial$9.997 Days
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- Monthly VIP3 Days trial$14.991 Month
- Yearly VIP3 Days trial$59.991 Year
Sticko
No in-app purchases








