NFC Tap vs Auth NFC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NFC Tap
This app allows users to read and write NFC tags, supporting various tag types and NDEF message formats. It enables quick actions like connecting to Wi-Fi, pairing Bluetooth devices, opening URLs, and initiating calls or messages directly from NFC tags.
- Read/Write NFC tags
- Support ST25 Type5 & Type4A tags
- Read/Write NDEF Messages (URL, Text, SMS, etc.)
- Connect to Wi-Fi devices
- Pair Bluetooth devices
- Initiate calls, SMS, and emails
- Control ISO15693 commands
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The NFC Tap iOS App leverages on the NFC core feature of iOS supporting the read an write of NFC tags from iPhone 7 and later devices. It gives users a new experience based on the tag's NDEF content, making it easier and faster to perform recorded actions as described below. Main Features: • Support every STMicroelectronics ST25 Type5 & Type4A series tags. • App Clip based on URL https://www.myst25.com/clip • Read/Write user memory for Type5 tags. This allows user to read, write or update the content of any Type5 tags. • ISO15693/NFC Type5 commands list User Interface. This allows user to manage all ISO15693 commands. • ISO15693/NFC Type5 custom commands list User Interface • Fast Transfer Mode using STMicroelectronics ST25DV-I2C and ST25DVC tags. • PWM Control user interface for STMicroelectronics ST25DV-PWM tags. • Read/Write any kinds of NDEF Messages, NFC Forum compliant (URL, Text, SMS, email, Call, Map, VCard, Bluetooth, Wi-Fi®, Mime and Externals) • Universal Link with URL : https://www.myst25.com • Custom App URL Scheme “nfctap://”: - This allows user to open our iOS app from any other iOS app or from the safari browser using the custom URL scheme “nfctap://” In Details, the App features several functions enabled by the NFC tag content: - Connect to Wifi devices identified by its SSID, Key password and encryption type. - Connect to Bluetooth devices: Facilitates the pairing with Bluetooth Low Energy (BLE) devices. After tapping a tag with the phone, the NFC Tap iOS App will recognize any Bluetooth pairing NDEF record and connect the phone directly to the specified device. - Open a URL in a browser: Opens a web page to the URL contained in the tag's NDEF record. - Get contact information: Displays and saves contact information (including ID picture) by tapping a tag containing a business card(vCard) message. - Geolocalize a position: Opens Apple Maps to the GPS location stored in the tag being tapped. - Initiate an SMS or Email: Opens the relevant email or SMS application with information contained in the tag being tapped. The user can then choose to send the email/SMS or edit it before sending. Use cases include, but are not limited to, customer service information for warranty or loyalty programs. - Initiate a phone call: Opens the phone service to the number contained in the tag's NDEF message. - Read a Text: Displays the text message contained in the tag being tapped. - Mime NDEF exemples: MimeType = application/pdf / MimeData = userManual.pdf - External NDEF exemples: application = video ; type = mpeg ; Data = video.mov Additionally, the NFC Tap App application include Bluetooth pairing with a ST25DV discovery board.
Auth NFC
This app provides a secure way to manage your accounts using NFC technology for an extra layer of protection. It allows for easy import/export of accounts and offers options to store secrets locally or on external NFC tags and YubiKeys.
- NFC-based security
- Import/export accounts
- Store secrets on NFC tags/YubiKeys
- Two-factor authentication
- QR code backups
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Auth NFC is a simple authenticator that uses NFC for an added layer of security. • Easily import/export your accounts. • Store account secrets on your phone or off-device on NFC tags or YubiKeys. • Enable two-factor authentication requiring password + NFC tag. • Generate QR codes of your accounts for storing a photo backup. Auth NFC securely stores your secrets using industry-standard encryption and hashing algorithms. All data is stored locally on your device unless you choose to store individual secrets on NFC tags. You may export your accounts, including secrets, in plaintext or encrypted. Always store exported files securely.
Screenshots
Verdict
The clearest difference is rating: Auth NFC at 5.0 against NFC Tap's 4.2. NFC Tap's advantage is ratings volume (231 vs 2). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Auth NFC holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: NFC Tap has 231 ratings behind it against 2, so its average is the more settled of the two.
NFC Tap ships an update every 2 months, Auth NFC every 4 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.
| Parameter | NFC Tap | Auth NFC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (231 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 53.8% of reviews | — |
| Number of ratings | 231 — better | 2 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | STMicroelectronics | Thomas Wixson |
Customer experience
NFC Tap
Auth NFC
Bugs and requests
NFC Tap
Reported bugs
12 issues- Unable to write to tags
- Error indicating need to read tag first
- No longer works
- Cannot read, edit, or write back memory to 15693 tag
- Crashing when scanning NXP Mifare
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- Error message: 'need to read a card on the main screen'
- App closes when scanning NXP Mifare
- Password protection bug on iOS (cannot enter password)
- CCFile Error with Type 5 chips on iPhone
- Required to scan tag before reading/writing memory
- Throws an error for CCFile
- Unable to read ST25 chips on iPhone
Requested features
6 requests- Display NDEF record in HEX
- Fix password protection bug on iOS
- Allow importing bin files
- Improve user-friendliness for beginners
- Connect Digimon Vital Bracelet with VB Lab
Show 1 moreShow fewer
- Remove automatic tag scan prompt on app open
Auth NFC
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NFC Tap
No in-app purchases
Auth NFC
No in-app purchases









