Instant Testing vs PDF Compressor
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Instant Testing
Read full descriptionHide full description
Application to collect data, perform audits, and streamline business processes with offline mobile applications and capture real-time location, camera live photos, live video recording, and much more.
PDF Compressor
Read full descriptionHide full description
Reduce PDF file size by up to 95% with PDF Compressor. Compress, merge, organize, and view PDF files in one simple app built for easy sharing, email attachments, cloud uploads, and storage. PDF Compressor helps you shrink large documents while keeping them clear and readable. Choose the right compression level for every file, from light optimization to maximum size reduction. Main Features โข Compress PDF files quickly โข Batch compress multiple PDF documents โข Merge multiple PDF files into one โข Merge and compress in one flow โข Choose simple compression levels: light, balanced, strong, or maximum โข Reduce scanned and image-heavy PDFs โข Convert PDFs to grayscale for smaller files โข Preview and view PDF documents in the app โข Reorder selected files before merging โข See before and after file sizes โข Keep compression history available offline โข Share optimized PDFs by email, messaging, cloud storage, or other apps For Work, Study, and Everyday Documents Use PDF Compressor for invoices, reports, contracts, forms, study notes, scanned documents, receipts, and any large PDF that needs to be easier to send or store. Fast, Private, and Simple Your files are processed securely and automatically deleted after processing. No account is required to start using the app. Subscription Details Subscription auto-renews unless canceled at least 24 hours before the end of the current period. You can cancel anytime in Settings. Payment is charged to your Apple ID upon confirmation. Support: support@pdfcompressor.cloud Privacy Policy: https://pdfcompressor.cloud/legal/privacy Terms (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Instant Testing at none against PDF Compressor's 2. PDF Compressor's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. PDF Compressor sells 2 in-app purchases, starting at $8.99 per month. Instant Testing asks for nothing beyond the download.
Instant Testing ships an update every 2 months, PDF Compressor fortnightly. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.
| Parameter | Instant Testing | PDF Compressor |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Fortnightly โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 14.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 79 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Clapptron Technologies Private Limited | Soufiane Bouziane |
In-app purchases
Instant Testing
No in-app purchases
PDF Compressor
- Monthly Subscription$8.991 Month
- Yearly Subscription$39.991 Year
Questions
Is Instant Testing free?
Is PDF Compressor free?
Do Instant Testing or PDF Compressor have ads?
Which is updated more often, Instant Testing or PDF Compressor?
Other comparisons















