PDF Reader vs PrismText
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PDF Reader
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Your essential, all-in-one document tool. PDF Reader-sign simplifies how you manage, read, and sign all your important files on iPhone and iPad. Say goodbye to complicated software and expensive subscriptions. High-Impact Features • E-Sign Documents Instantly: Sign any PDF document, form, or contract directly on your device with your finger or stylus. Fast, secure, and legally binding. • Fill Forms Easily: Quickly fill out PDF forms and save the completed document. • Universal File Viewer: Read and open all your essential files in one place: • PDFs n eBooks: Open and read all your documents and digital books. • Office Files: View popular Microsoft Office file types: .doc, .xls, and .ppt. • Images n Web: Easily view .png, .jpg, and .html web pages. • Simple n Reliable: Designed for speed. Just tap to open any file quickly with a clean, clear interface. Download PDF Reader-sign today to simplify document viewing and sign any file instantly!
PrismText
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Turn your photos into editable text in seconds with PrismText. Pick an image from your gallery and get clean, selectable text you can copy, favorite, and reuse anytime. 『 Why PrismText 』 • One-tap from Photos: Choose a photo and see the text instantly. • Copy in a second: Send the result to your clipboard for quick paste into notes, chats, or email. • Favorites & History: Star important results and revisit your full scan history for easy reuse. • Fast, private, on-device OCR: Text recognition runs locally on your device — no account required. 『 Great for 』 • Documents, receipts, labels, menus, signs, slides, and magazines • Copying Wi-Fi passwords, serial numbers, and short snippets • Saving quotes or key notes for later 『 How it works 』 ① Open PrismText and pick a photo from your gallery. ② The app recognizes the text on-device. ③ Copy, favorite, or share. Your history keeps everything handy. 『 Pro tips 』 • Use sharp, well-lit images for the best accuracy. • Try to avoid glare, heavy tilt, or busy backgrounds. • Crop to the area with text before scanning for cleaner results. 『 Accessibility 』 • Simple UI, large adjustable text display, and high-contrast layout. 『 Privacy 』 • Your scans stay on your device. We do not collect your content. Download PrismText and experience its convenience now!
Screenshots
Verdict
The clearest difference is update cadence: PrismText at every 6 weeks against PDF Reader's every 115 months. On price, ads, 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.
PDF Reader ships an update every 115 months, PrismText every 6 weeks. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.
| Parameter | PDF Reader | PrismText |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 115 months | Every 6 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 115 MB |
| Age rating | 4+ | 4+ |
| Developer | Aishvarya Sadasivam | CHANG DEOK KIM |
In-app purchases
PDF Reader
No in-app purchases
PrismText
No in-app purchases









