Apps Like Si4Keyboard for iPhone and iPad
Secure input with local encryption
Si4Key provides local encryption for keystrokes, ensuring input stays on the device. It includes one-tap digital signature for secure authentication. Offers offline key management for secure identity verification without internet dependency.
Ranked alternatives
Showing 401–420 of 1,000 ranked alternatives.
ForestVPN: Secure VPN Master
Digital Services LLC
Data with quantum encryption
Use to internet traffic with advanced encryption and AI-based algorithms. Connect to stable networks with low power usage. Access peer-to-peer technologies for reduced latency. Set up connections across multiple platforms.
WebDebug - Web debugging tool
Shanghai Dazhuo Information Technology Co., Ltd.
Debug web pages on mobile devices
Debug web pages by entering URLs or scanning QR codes. View console logs, system information, and network data. Save links and timestamps to a database. Manage local static websites and test multiple projects.
2FA Authenticator: MFA RSA
SERAPHINA VINER
Enable two-factor authentication
Enable two-factor authentication with time-based one-time passwords. Encrypt account details with end-to-end encryption. Create and manage unlimited accounts. Verify identities through authentication codes sent via email or .
Chinese Handwriting Board
Guangzhou Youtu Information Technology Co., Ltd.
Write with simplified and traditional
Enable input for simplified , traditional , traditional Hong Kong, and traditional Taiwan. Recognize with high accuracy, including scribbled text. Support Arabic numerals, symbols, and English letters for comprehensive input.
Easy Mailer Japanese Keyboard
Toshihiro Nakane
Type Japanese messages easier and faster.
The app provides extended keys for the Japanese keyboard on iPhone and iPod. It includes English word prediction, arrow keys for caret movement, and dedicated keys for typing extended characters and quotation marks.
FastPass – Password Manager
Chengzhen Hu
Store passwords locally with full encryption
Store and manage passwords locally on your device or in an iCloud Drive folder. Use AES-256 encryption for security. Access passwords without cloud syncing or tracking. No data collection or analytics. Lock and unlock entries with a master .
Karnaugh & Boolean Minimizer
Ketan Appa
Simplify maps and expressions
Simplify expressions and Maps. Input logical expressions or maps. Perform minimization and view simplified results. Support multiple algebra formats. Export solutions and save work.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.