Smooth Countdown vs NFCore
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smooth Countdown
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Countdown the time with a smoothly animated background. It is the perfect reminder while the device waits in the dock. Features: - toggle between day and night mode - choose between no alarm, one alarm or repeated alarm sound - supports the 12 and 24 hour format - uses local notifications when the timer runs up
NFCore
This app allows you to read, write, and manage NFC tags on your iPhone. It offers advanced tools for developers and professionals, including tag inspection, memory editing, and batch writing. Organize and export your tag data with ease, all while prioritizing your privacy.
- Read NFC tag details (type, UID, memory)
- Write text, URLs, contacts, WiFi, and more
- Advanced tools: Tag Inspector, Memory Dump, Command Console
- Clone and batch write to multiple tags
- Organize tags with folders and search
- Export tags as JSON or CSV
- Siri Shortcuts for hands-free scanning
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NFCore gives you everything you need to work with NFC tags on your iPhone. SCAN & READ Instantly read any NFC tag — NDEF records, tag type, UID, memory size, and technology details. Tags are auto-saved to your library for easy access later. WRITE Write text, URLs, WiFi credentials, contacts (vCard), phone numbers, email links, and more. Use built-in templates or create your own custom templates for repeat use. PRO TOOLS • Tag Inspector — Deep dive into tag metadata and full technical specs • Memory Dump — View and edit raw tag memory byte-by-byte • Command Console — Send raw ISO 7816, ISO 15693, and NFC-A commands directly • Clone Tag — Copy one tag's data to another • Batch Write — Write the same data to multiple tags in sequence • Tag Lock — Permanently or soft-lock tags to prevent modification • Emergency Info — Write medical and emergency contact info to an NFC tag TAG LIBRARY Every scan is auto-saved. Organize with folders, search by name, type, or UID. Export tags as JSON or CSV. View scan history with timestamps and tag details at a glance. TEMPLATES Start from pre-built templates for WiFi sharing, contact cards, website links, phone calls, SMS messages, email links, and more. Save your own custom templates for repeat use. Perfect for writing the same data to multiple tags quickly. DESIGNED FOR iOS Native app built for iPhone. Supports Dynamic Type for adjustable text sizes, full VoiceOver accessibility, dark mode, and Siri Shortcuts. Localized in 35 languages including Arabic, Chinese, Japanese, Korean, French, German, Spanish, and many more. NFCore Pro is a one-time purchase that unlocks all pro tools, unlimited tag saves, and unlimited templates. No subscriptions. Pay once, own it forever. COMPATIBILITY Works with all NFC tag types supported by iPhone: NDEF (Types 1–5), NTAG, Ultralight, DESFire, ISO 14443, ISO 15693, and FeliCa. Supports iPhone 7 and later running iOS 17.6 or newer. SIRI SHORTCUTS Scan tags hands-free with Siri. Just say "Scan an NFC tag with NFCore" to start a scan instantly. Also supports viewing your saved tag library via Siri. PRIVACY FIRST All tag data stays on your device. No accounts required, no cloud sync, no analytics, no tracking. Your NFC data is yours and never leaves your iPhone. PERFECT FOR • Developers testing and debugging NFC implementations • IT professionals managing access badges and credentials • Home automation enthusiasts programming smart tags and stickers • Small businesses creating tap-to-connect cards and smart packaging • Hobbyists and makers exploring NFC technology • Event organizers creating interactive NFC experiences One app. Every NFC tool you need. EXPORT & SHARE Export saved tags as JSON or CSV. Share data with teammates, back up your library, or transfer tag information between devices. Great for documenting tag configurations and sharing with your team. WRITE VERIFICATION Reads back every tag after writing to confirm data integrity. Toggle this on or off in settings. Never wonder if a write actually worked. TAG COMPATIBILITY GUIDE Built-in reference showing which tag types support which features — memory capacity, lock support, password protection, and supported commands — so you always pick the right tag for the job. WHAT'S INCLUDED FREE • Scan and read any NFC tag • Save up to 3 tags to your library • Write text and URL records • Tag compatibility guide • Full localization in 35 languages • Siri Shortcuts support WHAT PRO UNLOCKS • Unlimited tag saves • All write types (WiFi, vCard, Phone, Email, SMS) • Tag Inspector, Memory Dump, Command Console • Clone, Batch Write, Tag Lock, Emergency Info • Export (JSON/CSV) and unlimited templates Built with care for NFC professionals and enthusiasts alike. We are always working to improve NFCore and add new features based on your feedback. Questions or feedback? Visit nfcore.app/support or email support@nfcore.app
Screenshots
Verdict
The clearest difference is price: NFCore at Free against Smooth Countdown's $0.99. NFCore also leads on update cadence (every 2 months vs every 21 months). Smooth Countdown's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads 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
NFCore is free to download; Smooth Countdown costs $0.99 up front. NFCore sells 1 one-off in-app purchase. Smooth Countdown asks for nothing beyond the download.
Smooth Countdown ships an update every 21 months, NFCore every 2 months. The most recent releases landed on September 17, 2026 and October 2, 2026 respectively.
| Parameter | Smooth Countdown | NFCore |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 21 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Echo Persona LLC |
In-app purchases
Smooth Countdown
No in-app purchases
NFCore
- NFCore Pro$6.99









