Easily add custom text, photo, or QR code watermarks to PDFs and photos. Utilize pre-made templates for quick application, with options to select specific pages for PDF watermarking. Preview your results before saving.
4.0(5 ratings)
Free
Best apps like Black Eye - Motion Detector
34+ similar apps compared and reviewed
4.0 avg rating
3 free apps
Updated July 2026
Looking for something like Black Eye? We've analyzed 34+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.
Top Alternatives to Black Eye
Lambda by Dave Guerin
Strong Contender
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This app helps musicians and sound engineers convert between musical notes, frequencies, and wavelengths. It features a dynamic fader, built-in oscillator, and frequency tracker with waveform display. Customize tuning standards and speed of sound for precise audio analysis.
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View and edit the raw data contents of any file in hexadecimal or ASCII format. Offers robust search, replace, and navigation features for precise file manipulation. Easily manage, save, and export your edited files.
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Machinist Calc Pro
Machining Math Calculator
$24.99
This app provides machining professionals with a comprehensive set of tools for calculations related to speeds, feeds, threads, and trigonometry. It aims to increase productivity and reduce tool wear by offering quick access to essential data, replacing the need for physical charts and books.
Speeds and Feeds calculationsThread size and drill size look-upsTrigonometric functions
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Contacts To PDF File Converter
Export Contacts To PDF File !
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$1.99 | 100% OFF
Easily convert your entire address book into a well-formatted PDF document. This app allows for quick, secure, and organized exports of contacts for backup, sharing, or printing. Handle large contact lists efficiently with flexible export options.
Export contacts to PDFCreate readable and organized PDFsHandle large contact exports
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Voice text translator
by Stephane Ameau
$0.99
Communicate effortlessly across 27 languages with real-time voice and text translation. This tool supports speech-to-speech conversations, editing translated text, and managing message history, making it ideal for travelers and language learners.
27 language translationsSpeech-to-speech conversationAutomatic translation
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SYSTEM UTIL Dashboard
by Sohel Mazumder
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Monitor your device's performance with detailed insights into memory, CPU, disk space, and network usage. Track battery status, receive charge notifications, and perform internet speed tests. Understand your device's inner workings with easy-to-read graphs.
Memory usage monitoringCPU usage displayDisk space status
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iCamSource Pro Mobile
by SKJM, LLC
$4.99
Turn your iOS device into a live audio and video streaming camera. It supports motion and sound detection for notifications and recording, making it ideal for monitoring babies, pets, or as a security camera.
Live audio and video streamingMotion and sound detectionVideo recording on event detection
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QRcode expert (Pro)
QR code generator and scanner
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This app allows you to generate and scan QR codes with advanced features like custom colors, logos, and password protection. It also offers permanent QR code creation and tracks view counts for your generated codes.
Scan QR codes quicklyConvert images, text, and URLs to QR codesCustomizable QR code colors
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Digital Night Vision
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