ReadySignOn vs KeyFill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadySignOn
This app streamlines online logins by replacing passwords with secure digital signatures. It offers robust encryption, autofill capabilities, and customizable security settings for a faster and safer digital experience.
- Passwordless login with digital signatures
- AES256 encrypted secure vault
- Autofill support for browsers and apps
- KeePass desktop integration
- User consent for data extraction
- Time and location-based auto-locks
- Customizable security levels
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ReadySignOn allows users to sign in to websites or applications without the clunky passwords! It transforms the cumbersome user registration and login steps into snappy and delightful online experiences. By reducing user inputs to a bare minimum it affords unmatched security and privacy protection to consumers and average end users. The app's innovative use of cryptographic identifiers effectively thwarts all common hacking attempts. It replaces the traditional usernames and passwords with digital signatures which are drastically more secure in addition to being privacy conscient. = Highlights = -A secure vault that is ALWAYS holistically encrypted using AES256. This means ALL metadata including tags, icons, images and record management info are also encrypted in the same way as your sensitive records to ensure no leakage of information of any kind. -Supports password AutoFill in both browsers and apps. -Compatible with the award winning open-source KeePass desktop password manager (via our free open-source plug-in). -Use ReadyTicket to expedite and approve login requests submitted from any online devices. -Always demands explicit user consent before any information can be extracted from this app. There is no automatic data sync or stealth backup to the cloud without explicit acknowledgement from the user. The vault is fully functional even without a network connectivity. Internet access is only needed for approving remote authentication requests. -Takes full advantage of the security measures offered by the platform such as the keychain, hardware backed data protection and sensors for device ownership verification. -Supports time and location based auto locks of the vault. -Offers a specifically designed full-screen keyboard for easy and secure entering of long passphrases. -Various security levels and mode settings for users who need to balance between productivity and security. -The app comes with templates for 70+ popular websites and 1,000 more through downloadable packages. It also allows users to create and share new templates without limit. -The app was built and tested with a robust data engine that is capable of handling thousands of record with highly reliable performance and data integrity. -The reserved vault feature affords information workers a unique level of security from plausible deniability. -The UI of the app has been natively optimized for both iPhone and iPads with split-view support. -The app provides filters, indexers and deep search capabilities that are especially valuable to enterprise users who often have the need to quickly locate records within a very large set. -Automatically generates passwords of a given length and composition complexity. -Custom password inspector with absolute clarity to help users avoid account lockouts caused by misreadings. -A companion watchOS app further simplifies the login experience to a single tap on the wrist. -URL based inter-app communication scheme for seamless local app login authentication. -Supports readyPay express checkout and expediated secure mobile payment from any connected device. = Security Highlights = -Holistic encryption of vaults and all metadata using AES256. (layer-1) -Direct bitwise on sensitive fields with high entropy keys. (layer-2) -Exported records are encrypted using AES with 1,000, 000 PBKDF2 key derivation count to guard against aggressive and potent offline attacks. -Transparent disk encryption and instantaneous remote wipe for at-rest data protection. (layer-3) -Biometric authentication for device ownership verification. (layer-4) -Custom full-screen keyboard for entering long brain passphrases securely and efficiently. -Static user cryptographic identifiers based on RSA2048. -Dynamic user identifiers and RP session authentication based on ECC384 and ECDSA.
KeyFill
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KeyFill - Quick Access Autofill Keyboard Extension Tired of repeatedly typing your ID numbers, email addresses, and other personal information? KeyFill is a secure and efficient keyboard extension that helps you quickly fill in frequently used information across any app on your iOS device. With features like reply with templates, allowing you to respond to messages or emails with pre-saved templates in just a single tap. Effortlessly paste information, including IDs, passports, emails, addresses and licenses, with quick access through our user-friendly interface. Designed for efficiency, our app allows manual entry a breeze, making it easier than ever to fill out forms. Your sensitive information is kept safe with secure data storage and local storage, ensuring privacy without relying on cloud services. KeyFill saves you time, keeps you organized, and ensures your data remains secure. Boost your productivity with the ultimate cross-platform keyboard extension! Key Features: • Custom Keyboard Extension - Access your saved items directly from any text field. • Reply with Templates - Respond to messages or emails with pre-saved templates in just a single tap. • Category Organization - Organize items into Personal Info, Address, Contact, ID Numbers, and Custom categories. • Quick Access - Instantly fill in emails, addresses, phone numbers, and more with a single tap. • Secure Storage - Your data is securely stored using iOS Keychain. • Real-time Sync - Changes in the main app instantly reflect in the keyboard. • Free Version - Store up to 5 items without any cost. • Pro Version - Unlock unlimited item storage with a one-time purchase. What KeyFill Can Do: • Save and organize frequently used text snippets. • Access saved items from any app's text field. • Categorize items for better organization. • Sync data between the main app and keyboard. • Work offline without an internet connection. • Secure data using iOS Keychain. • Upgrade to unlimited items with the Pro version. What KeyFill Cannot Do: • Automatically detect or fill form fields. • Store passwords or sensitive authentication data. • Import/export data. • Customize keyboard layout or appearance. • Work with system password autofill. • Access or modify the system clipboard. Privacy & Security: • No internet connection required. • All data stored locally on your device. • Uses iOS Keychain for secure storage. • No data collection or analytics. • No third-party services used.
Screenshots
Verdict
The clearest difference is price: KeyFill at Free against ReadySignOn's $5.99. ReadySignOn's advantage is device support (4 vs 1) and iOS requirement (10.0 vs 17.6). On update cadence, ads and in-app purchases 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
KeyFill is free to download; ReadySignOn costs $5.99 up front. ReadySignOn sells 9 one-off in-app purchases and KeyFill sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ReadySignOn ships an update every 2 weeks, KeyFill every 10 days. The most recent releases landed on June 11, 2026 and September 18, 2026 respectively.
| Parameter | ReadySignOn | KeyFill |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 10.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 23 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | ReadySignOn.com | Mark Lester Edquilane |
In-app purchases
ReadySignOn
- English website templates (0-A)$0.99
- English website templates (B-C)$0.99
- English website templates (D-F)$0.99
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- English website templates (G-I)$0.99
- English website templates (J-M)$0.99
- English website templates (N-R)$0.99
- English website templates (S-T)$0.99
- English website templates (U-Z)$0.99
- English website templates$5.99
KeyFill
- Unlock Unlimited Items$1.99









