xScope Mirror vs Private PDF Signer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
xScope Mirror
Preview Mac desktop images and windows directly on your iOS device or Apple Watch. Seamlessly transfer designs and test them with various scaling options, even remotely from Photoshop.
- Remote Mac desktop viewing
- Apple Watch extension
- Chromeless UI
- Retina scaling options
- Remote Photoshop connection
- Multi-device connection
- Window nudging
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••• Requires xScope 4 available from the Mac App Store ••• xScope Mirror lets designers and developers effortlessly preview any Mac desktop image directly on your iOS device or Apple Watch. Unlike other preview apps, xScope Mirror doesn’t have any desktop chrome to get in your way while you work or require you to save files again and again. Simply launch xScope Mirror on iOS and then xScope on a Mac to begin. Confirm the connection on iOS and then drop an image file onto the Dock icon for xScope. A remote connection to Photoshop is also supported: this lets you preview changes in your PSD while you edit. The Mirror can also display any window on your Mac or images copied to the clipboard. Finally, any image that's displayed on the iOS device can be transferred to the Apple Watch by tapping on its screen. Layouts that are taller than the watch's screen are scrollable. Any file that matches the icon sizes for the Apple Watch will be presented with circular mask against a black background, allowing quick asset previews. Features include: • Remote Viewing – Easily view the contents of any Mac desktop window on your iOS device or Apple Watch • Apple Watch – Includes a watch extension that makes previewing on your wrist a snap! • Pin & Lock – Move the Mac window anywhere (even under other windows) & it always stays in focus on iOS • Chromeless UI – No overlaid chrome to get in the way while you work • Retina Scaling - Preview mirrored content 3:1, 2:1, 1:1, 1:2 or 1:3, great for testing on Retina devices • Compatibility – Runs on all devices using iOS 5 or later • Security – Toggle user authentication requests on/off via Preferences in the xScope desktop app • Multi-client – Multiple iOS devices can connect and view the same Mac window – Great for demos or meetings • Sharing – Copy the current image to the iOS clipboard or save it in your Photos • Nudge – Nudge the selected window one pixel at a time (useful on Retina displays)
Private PDF Signer
Easily add signatures, text, dates, and covers to your PDFs directly on your device. Process documents locally without needing an account. Pro features for advanced PDF management are available via subscription or a lifetime purchase.
- Add visual signatures
- Insert text and dates
- Apply covers
- Export modified PDFs
- Save signatures for reuse
- On-device processing
- Pro tools for PDF management
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Private PDF Signer lets you open PDFs, add a visual signature, text, date, or cover, and export a copy from your iPhone or iPad. Open PDFs from Files or share them into the app from Mail and other apps. Save signatures for later use. Documents are processed on your device, and no account is required. Additional Pro tools for merging, splitting, compressing, organizing pages, converting, scanning, and protecting PDFs are available through a monthly or yearly subscription, or a one-time lifetime purchase. Actual prices and terms are shown by Apple before purchase. Important: signatures added by the app are visual marks on a PDF, not identity verification, notarization, or cryptographic digital-signature certificates. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Private PDF Signer at 5.0 against xScope Mirror's 3.0. Private PDF Signer also leads on update cadence (every 5 days vs every 7 months). xScope Mirror's advantage is in-app purchases (none vs 3) and iOS requirement (16.6 vs 26.0). On price, ratings volume, 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. Private PDF Signer sells 3 in-app purchases, starting at $0.99 per month. xScope Mirror asks for nothing beyond the download.
Private PDF Signer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
xScope Mirror ships an update every 7 months, Private PDF Signer every 5 days. Both last shipped on October 24, 2026.
| Parameter | xScope Mirror | Private PDF Signer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 61.5% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 7 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | The Iconfactory | Samer Qutub |
Customer experience
xScope Mirror
Private PDF Signer
In-app purchases
xScope Mirror
No in-app purchases
Private PDF Signer
- Pro Monthly7 Days trial$0.991 Month
- Pro Yearly7 Days trial$5.991 Year
- Pro Lifetime$12.99
Questions
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