Showing 61–80 of 1,000 ranked alternatives.
Wyllys Ingersoll
Send encrypted emails and files
Encrypt and decrypt files locally or in the cloud. Send and receive PGP encrypted messages via email. Create and manage public and private keys using RSA, DSA, ECDSA, EDDSA, or ECDH. Support OpenPGP standard for secure communication.
Steve Veloudos
Practice USCIS questions and track answers
Practice USCIS questions with randomized or full question sets. Review correct answers and explanations. Track progress and revisit questions for reinforcement. No time limits or usage restrictions.
Bruno Goncalves
Read and write NDEF tags easily
Read and write NDEF tags with plain text or URLs. Create and clean tags. View recently read tags. Share content via NFC.
Sagar Rudani
Convert and save files
Convert files to MP3 by extracting tracks. Choose bitrate settings from 48 kb/s to 320 kb/s. Save as M4A files. Use simple or advanced mode for editing. Export and share converted files.
Vlad Polyanskiy
Measure light with pocket device.
The app provides light measurements in lux and foot candles. It offers a unique design and simple interface for private use.
Starfall Education Foundation
Books, play games, watch movies
To with interactive books, games, and movies featuring Zac the Rat. Practice vowel sounds and spelling through structured lessons. Track progress with numbered sections and positive reinforcement activities.
Frantisek Dvorak
Encrypt messages, notes, and files
Encrypts using advanced methods to protect sensitive information like notes, messages, emails, and cryptocurrency keys. Copy and paste between apps or save to files. Supports of passwords, seeds, and mnemonics.
DEXUS Pawel Krzywdzinski
Analyze frequency response
Analyze signals with real-time octave RTA. Display frequency response using RMS values across full, 1/3, 1/6, and 1/12 bands. Measure SPL in dBFS. Support FFT with adjustable window sizes. Sample at 44.1kHz, 48kHz, or 96kHz.
Johan Lindstrom
Explore aircraft manuals efficiently
Learn aircraft systems, procedures, and terminology specific to the Boeing 787. Access simplified explanations of complex manual content. Navigate through structured guides for cockpit operations, emergency protocols, and maintenance procedures.
Alec O'Connor
Write, read, and interact with NFC tags
Read, write, and interact with NFC tags on compatible iPhones. Create and edit NDEF records. Format tags in advanced mode. Access tag-specific features like URL launching and actions. Write directly to tags without external hardware.
DEXUS Pawel Krzywdzinski
Analyze signals in real time
Analyze signals with real-time spectrogram, spectrum, and oscilloscope visualizations. Identify frequencies and measure response of equipment. Detect phonetic elements in speech and visualize animal calls. Check singer’s formant for vocal analysis.
Hector Gonzalez Linan
With games and exercises
Through interactive lessons and exercises for children and . Practice reading, writing, and speaking with 36 topics across three levels. Complete four activities and tests per topic. Study 500 vocabulary words with images and audio.
Hector Gonzalez Linan
With interactive lessons and exercises
Through interactive lessons and exercises for kids and . Practice reading, writing, and speaking with 36 topics across three levels. Complete 4 activities and tests per topic. Study 500 vocabulary words with images and audio. with Brazilian accent.
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