PDF Tools vs ASO Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Tools
Easily merge, split, compress, and convert PDF files to images directly on your device. This app ensures your documents remain private and secure with offline processing. It's ideal for managing work, study, and everyday document needs.
- Merge multiple PDF files
- Split PDFs by pages
- Compress PDFs
- Convert PDF to JPG/PNG
- Fill PDF forms
- Offline processing
- Built-in file storage (Pro)
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PDF Tools is a simple and fast way to work with PDF files on your iPhone. Merge, split, compress, and convert PDF documents to JPG or PNG in just a few taps. All processing happens directly on your device, so your files stay private and secure. No uploads, no tracking, and no internet connection required. FEATURES • Merge multiple PDF files into one • Split PDFs by pages or custom page ranges • Compress PDFs to reduce file size • Convert PDF files to JPG or PNG images • Fill existing PDF forms • Save or share files easily • Works fully offline PRO STORAGE Pro users get access to built-in file storage inside the app. You can save, organize, and manage PDFs you create or edit, keeping important documents available directly within PDF Tools for quick access. FREE VERSION The free version includes a limited number of PDF operations per day. PRO VERSION Upgrade to Pro for unlimited access to all features, no daily limits, and built-in file storage. Choose between a subscription or a one-time lifetime purchase. PRIVACY Your files never leave your device. All documents are processed locally, and we do not collect, store, or track any personal data. PDF Tools is perfect for work, study, and everyday document tasks. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
ASO Tool
This app assists developers and marketers in optimizing their App Store presence. It offers real-time tracking of keyword rankings, competitor analysis, and AI-powered discovery of new keyword opportunities to enhance app visibility.
- App Store keyword rank tracking
- Competitor analysis
- AI-powered keyword discovery
- App visibility improvement
- Real-time insights
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ASO Tool - AI Keyword Tracker helps developers and marketers track App Store keyword rankings, analyze competitors, and discover new keyword opportunities using AI. Improve your App Store Optimization (ASO) strategy and grow your app visibility with real-time keyword rank tracking and intelligent insights.
Screenshots
Verdict
The clearest difference is ads: PDF Tools at none against ASO Tool's shown. PDF Tools also leads on update cadence (every 5 days vs every 2 months). ASO Tool's advantage is ratings volume (6 vs 2) and iOS requirement (17 vs 26.2). On price, rating, in-app purchases and monetization model 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 Tools sells 3 in-app purchases, starting at $4.99 per month and ASO Tool sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for PDF Tools against 5.0 for ASO Tool. Both are backed by a comparable volume of ratings — 2 and 6 respectively.
PDF Tools ships an update every 5 days, ASO Tool every 2 months. Both last shipped on October 24, 2026.
| Parameter | PDF Tools | ASO Tool |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (6 ratings) |
| Number of ratings | 2 | 6 — better |
| Update frequency | Every 5 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.2 | 17 — better |
| Further details — not scored | ||
| Size | 3 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Yehor Yurchenko | An Banh |
Customer experience
PDF Tools
ASO Tool
In-app purchases
PDF Tools
- PDF Pro Monthly$4.991 Month
- PDF Pro Yearly$19.991 Year
- PDF Pro – Lifetime Access$39.99
ASO Tool
- Upgrade Premium$2.99









