Wistapp vs PDF Crush
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wistapp
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This Application allows you to see your app in preview mode. When you create a campaign in the WebInStats Admin panel, run this application and type wistest parameter value and save it. Now your app is going to be work on the preview mode with the given parameter.
PDF Crush
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PDF Crush makes it easy to shrink document size without guesswork. Scan a new PDF using your camera or pick an existing file and compress it with fine-grained control. With 20 quality/DPI levels, you choose the exact balance between clarity and size. Highlights • Scan to PDF: Capture documents in-app and export as compact PDFs. • Compress Existing PDFs: Import any PDF and reduce its file size in one step. • 20 Levels of Control: From ultra/high quality to maximum compression, tailor output to your needs. • Purpose-Built Profiles: Web, Email, WhatsApp, and Telegram optimizations for quick sharing. • Clear Labels: Each level includes a short note to guide quality vs. size decisions. • Saved History: Your past compressions are stored on your device for quick reuse. Compression Profiles - 20 Levels • Ultra / Professional (3): Very high quality (approx. 600-300 DPI range). • High Quality (3): Excellent clarity with moderate size. • Medium Quality (3): Balanced quality/size. • Low Quality (3): Small file size focus. • Minimum Quality (4): Maximum compression (down to ~50 DPI). • Special Optimizations (4): Web Optimize, Email Optimize, WhatsApp Optimize, Telegram Optimize. Technical Range • Quality: 1.0 (very high) → 0.1 (maximum compression) • DPI: 600 DPI → 50 DPI New features • Select PDF or images from any app and quickly reduce file size via share extension. • Identity card photocopy feature added. • Image to compressed PDF conversion feature added. Pick a preset, get the size you want, and share instantly. No fiddling required.
Screenshots
Verdict
The clearest difference is ads: PDF Crush at none against Wistapp's shown. PDF Crush also leads on update cadence (every 9 days vs monthly). Wistapp's advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Wistapp ships an update monthly, PDF Crush every 9 days. The most recent releases landed on October 26, 2026 and October 10, 2026 respectively.
| Parameter | Wistapp | PDF Crush |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 12 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | WEBINSTATS YAZILIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI | Mehmet Bayram |
In-app purchases
Wistapp
No in-app purchases
PDF Crush
No in-app purchases


