PDF Compress vs AI Audio Editor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Compress
Effortlessly reduce the size of PDF documents on your iPhone or iPad. Choose from multiple compression levels to save storage space and optimize file sharing, all while maintaining excellent quality. Your documents are processed locally for enhanced privacy and security.
- Compress PDF files without quality loss
- Multiple compression level options
- User-friendly interface
- Save space and improve sharing efficiency
- Preview compressed PDFs
- Local processing for privacy
- Integrates with iOS Files app
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PDF Compress PDF Compress is your ultimate tool for compressing PDF documents directly on your iPhone or iPad. Effortlessly reduce the size of your PDF files while maintaining excellent quality. Whether you're looking to save storage space, speed up email attachments, or optimize document sharing, PDF Compress offers a seamless solution. Choose from multiple compression levels to tailor the file size reduction to your needs. Ideal for professionals, students, and anyone who deals with PDFs regularly. Key Features Compress PDF Files Without Compromising Quality: Reduce the size of your PDFs while maintaining clarity and readability. Perfect for minimizing storage usage and improving document handling. Select from Small, Medium, or Large Compression Options: Choose the compression level that best fits your needs. Whether you need a slight reduction or significant size savings, we have the option for you. Easy-to-Use Interface for Quick Compression: Our user-friendly design makes it simple to compress files with just a few taps. No technical knowledge is required. Perfect for Saving Space and Improving File Sharing Efficiency: Compressed PDFs take up less space and are easier to share via email or other platforms. Additional Benefits Preview Compressed PDFs Before Saving or Sharing: Ensure the quality and size meet your expectations before finalizing your documents. Secure and Privacy-Focused: No online uploads or data sharing. All compression is done locally on your device, keeping your information safe and secure. Seamlessly Integrates with iOS Files App for Easy Management: Access and manage your compressed PDFs directly within the iOS Files app. Why Choose PDF Compress? Efficient PDF Management: PDF Compress makes it easy to handle large PDF files, ensuring they are optimized for storage and sharing. Ideal for Various Use Cases: Whether you are a professional dealing with business documents, a student managing study materials, or anyone who frequently works with PDFs, this app is designed to meet your needs. Regular Updates: We continuously improve our app to ensure it meets your expectations and stays ahead of your needs. Expect regular updates with new features and enhancements. Dedicated Support: Our support team is always ready to assist you with any questions or issues. Experience prompt and helpful customer service whenever you need it. How to Use PDF Compress Import: Open PDF Compress and import the PDF document you want to compress. You can easily select files from your device or iCloud. Select Compression Level: Choose from small, medium, or large compression options based on your requirements. Compress: Tap the compress button and let the app do the rest. Preview the compressed file to ensure it meets your needs. Save or Share: Once satisfied, save the compressed PDF to your device or share it via email, messaging apps, or any other preferred method. Download PDF Compress Now! Experience the convenience of managing PDFs efficiently on your iOS device. Save storage space, optimize document sharing, and enjoy a user-friendly interface designed for quick and effective compression. Download PDF Compress now and take control of your PDF files with ease!
AI Audio Editor
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AI Audio Editor is an AI audio toolkit for creators. Separate vocals, clean noise, polish spoken audio, and extract audio from video — fast and simple. 【Key Features】 • Vocal Separation: Split vocals and accompaniment for covers, remixes, and post-production • Noise Removal: Reduce background noise for cleaner recordings • Auto-Merge Vocals: Smooth fillers, pauses, and stutters for clearer voiceovers • Video to Audio: Extract audio from photos/files with multiple export formats • Task Center: Keep processing after you leave the page and revisit results anytime 【Getting Started】 Download and try core tools right away. New users receive free Credits. AI tasks such as vocal separation, denoising, and vocal merge consume Credits. You can also subscribe to receive recurring Credits and member benefits. 【Pro Membership (Auto-Renewable Subscriptions)】 • Weekly Pro: $2.99 / week — 100 Credits each period • Monthly Pro: $6.99 / month — 500 Credits each period (Recommended) • Yearly Pro: $39.99 / year — 6000 Credits each period (about 500 Credits / month) Membership benefits include recurring Credits, priority processing queue, and full task history (see in-app details). 【Credit Packs (One-time Consumable Purchases)】 • 80 Credits • 220 Credits • 560 Credits • 1280 Credits Credits are used for AI processing and other paid features. Actual cost per task is shown in the app. 【Auto-Renewable Subscription Terms】 • Payment will be charged to your Apple ID account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period, and will identify the cost of the renewal. • Subscriptions may be managed or canceled by going to Settings > Apple ID > Subscriptions after purchase. • Restore Purchases: If you change devices or reinstall the app, use “Restore Purchases” on the Profile page. Privacy Policy: https://new.ziti2.com/audioeditor/legal/privacy.html Terms of Use (EULA / Subscription Terms): https://new.ziti2.com/audioeditor/legal/terms.html For support, please contact us via the App Store support link.
Screenshots
Verdict
The clearest difference is in-app purchases: PDF Compress at none against AI Audio Editor's 7. AI Audio Editor's advantage is iOS requirement (14.0 vs 17.4). On price, ads 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. AI Audio Editor sells 7 in-app purchases, starting at $2.99 per 7 days. PDF Compress asks for nothing beyond the download.
| Parameter | PDF Compress | AI Audio Editor |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 11 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.4 | 14.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Shivang Mishra | Ruiguang Yan |
In-app purchases
PDF Compress
No in-app purchases
AI Audio Editor
- weekly ai audio editor vip$2.997 Days
- monthly ai audio editor vip$6.991 Month
- yearly ai audio editor vip$39.991 Year
- ai audio editor gold$1.99
- ai audio editor gold$3.99
- ai audio editor gold$9.99
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- ai audio editor gold$19.99









