NFC Checker & Tools vs nCompHunt

NFC Checker & Tools tells you the truth about your iPhone's NFC in seconds, then lets you read, write and automate NFC tags from the same app. CHECK YOUR NFC - Instant check: NFC reading availability on your iPhone - Live signal test while you hold a tag near the antenna, so you find the exact sweet spot - Read and write capability verified, not assumed READ NDEF TAGS - Tag contents appear the moment your phone touches it - Text, URL, Wi-Fi, Bluetooth, vCard, email, SMS, phone number, address, app and location records - Run an action straight from the record you scanned CHIP MEMORY & TAG INSIGHTS - Memory breakdown - used, free and total capacity - Security flags and lock status - NDEF decoder with a plain-language summary of every record WRITE YOUR OWN TAGS - Write templates for text, URL, Wi-Fi, Bluetooth, vCard, email, SMS, phone, address, location and custom URL - Share-to-write: send a link, contact or file from any app straight onto a tag - Add several records to one tag before you write it - Copy Tag and Erase Tag TAG HISTORY - Every scan saved with its time and record count - Reopen, share or delete any entry SUPPORTED TAGS ON IPHONE - Reads NDEF data on NFC Forum Type 1-5 tags: ISO 14443 (NTAG, MIFARE Ultralight, MIFARE DESFire), ISO 15693 (ICODE) and FeliCa - Writes to tags that are NDEF-formatted and not locked - iPhone cannot read MIFARE Classic, tags that are not NDEF-formatted, or bank, transit and ID cards USEFUL TOOLS - Device information at a glance - Compass, battery, flashlight and screen light - One-tap shortcuts to your system settings - Dark mode, available in many languages NO NFC? NO PROBLEM - A clear screen explains what to check and what to expect if your iPhone model does not support NFC reading WHAT YOU NEED 1. iPhone 7 or newer, on iOS 15 or later 2. Nothing to switch on: NFC on iPhone is always ready Free to use, supported by ads. An optional Pro upgrade removes ads and unlocks unlimited chip insights and automations, available monthly, yearly or as a one-time purchase. Questions or a problem? Write to support@yalintech.com and we will help. Privacy Policy: https://yalintech.com/legal/nfc-checker/privacy Terms of Service: https://yalintech.com/legal/nfc-checker/terms

nCompHunt is a native app that finds competitions and keeps them in front of you: competitive programming rounds, AI and machine-learning challenges, CTF security games, hackathons, and design contests, Vietnam-first and global. It is built with SwiftUI for iPhone and iPad. Category and region filters plus sort and group controls sit one tap away. Type a plain sentence into search and the on-device model turns it into a filter. Foreign-language listings translate on device with one tap, and the original stays a toggle away. A home-screen widget shows what is coming up without opening the app, and native notifications tell you the moment a new contest is found. Turn on calendar sync and a dedicated calendar keeps every deadline updated in place as contest details change, or add a single contest as an .ics import. Share any listing through the standard share sheet. Your data stays yours. There is no account to create, no telemetry, no analytics, and no back-end server between you and the sources. The app fetches listings directly, and the index it builds never leaves your device. Sources that work the moment you open the app, no setup required: - CTFtime - the worldwide CTF calendar - Devpost - global hackathons with prizes and deadlines - Codeforces - upcoming competitive-programming rounds - MLContests - open AI and ML competitions across several platforms - ybox.vn - Vietnamese design, scholarship, and general-interest contests - Contest Watchers - a creative and design competition directory Want broader coverage? Add your own free API keys in Settings to switch on clist.by, which brings hundreds more programming contests, and optional web-search discovery. Keys are stored in the Keychain, never in a plain file, and are sent only to the service they belong to. Every source has an on/off switch, and a source that fails or is unconfigured is simply skipped, never stopping the rest of a refresh. Touch and hold any contest to open its page, copy the link, share it, add it to your calendar, or mark it to track it through applied, joined, and done. nCompHunt is free and open source under the MIT license. It requires iOS 26 or later, keeps no account, and stays quietly obsessive about deadlines so you do not have to be.