NTAG I2C Demoboard vs NFC Read Write
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NTAG I2C Demoboard
Control LED colors, measure NFC download/upload speeds, and modify chip configurations. This utility app interacts with NTAG I²C demonstration boards.
- Change LED color
- Measure NFC download/upload speed
- Read chip configuration
- Change chip configuration
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You can use it to change the LED color to light up on the NTAG I²C demonstration board, to measure the speed of download and upload with NTAG I²C based on your NFC device or to read & change the chip configuration.
NFC Read Write
Easily read and write NFC tags using your iPhone. Securely store encrypted records or unencrypted data like URLs, text, and contact information. Connect to Wi-Fi networks instantly without sharing passwords.
- Read and write NFC tags
- Write encrypted NFConnect records
- Write unencrypted NDEF data
- Store URLs, text, phone numbers, and more
- Join WiFi networks without passwords
- Supports various NFC tag types
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Read and Write NFC tags and inlays with iPhone built-in NFC. Write secure encrypted NFConnect records using Serialio.com NFConnect tags or inlays. Don't have NFC NFConnect tags or inlays? No problem. Write NFConnect records (un-encrypted) to any NDEF tag with sufficient memory. For encrypted NFConnect records In-App-Purchase option enables to write encrypted NFConnect records to many tag types that support NDEF. Use tags and inlays with NFConnect records to join WiFi network without giving out your WiFi password. Now your visitors, friends, business associates, etc. can connect to your WiFi network without knowing your WiFi password. Writes NDEF (NFC Data Exchange Format) data to all the NFC tag types shown above: tags, badges, wristbands, keyfobs, cups, plates, PPE (personal protection equipment), etc. Store URL/URI, Plain TEXT, Phone number, SMS, GEO Location, Email, Application, Business Card, and more. Also write RAW data (not formatted like NDEF). Note: NDEF/RAW data can be used by apps like iScanBrowser, Cloud-In-Hand stratus-io Attendance, Mobile Grid, SerialMagic Keys. Contact serialio.com for more information and to purchase NFC-RFID tags, inlays, wireless readers, software applications Starting with iPhone-11 and iOS 13, iPhone built-in NFC supports reading and writing many types of NFC tags and inlays. Some example NFC tag types are ISO-14443A(*1,2,4) tags like NXP NTAG213, NTAG215, NTAG216, Mifare Classic EV1, Mifare Ultralight (aka Mifare UL), Mifare DESFire, Mifare Plus-SE, Mifare Plus-S, Mifare Plus-X, my-d move - SLE66R01P, FM11RF08, ISO-14443B(*4) tags like AT88RF020, SR176, SRIX512, SRIX4K, and Sony FeliCa(*4) tags, and ISO-15693 tags like ICODE SLI, SLI-X, SLI-X2, Tag-It HF-I Plus. *1 NFC Forum Tag Type 1 *2 NFC Forum Tag Type 2 *3 NFC Forum Tag Type 3 *4 NFC Forum Tag Type 4
Screenshots
Verdict
The clearest difference is rating: NFC Read Write at 4.5 against NTAG I2C Demoboard's 1.0. NFC Read Write also leads on update cadence (every 4 months vs every 17 months). NTAG I2C Demoboard's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 16.4). On price, ratings volume, ads and device support 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. NFC Read Write sells 4 one-off in-app purchases. NTAG I2C Demoboard asks for nothing beyond the download.
NFC Read Write holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
NTAG I2C Demoboard ships an update every 17 months, NFC Read Write every 4 months. The most recent releases landed on October 8, 2026 and June 4, 2026 respectively.
| Parameter | NTAG I2C Demoboard | NFC Read Write |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 17 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | MobileKnowledge | Serialio Ltd. |
Customer experience
NTAG I2C Demoboard
NFC Read Write
In-app purchases
NTAG I2C Demoboard
No in-app purchases
NFC Read Write
- Scanning more tags$9.99
- Unlock SmartPoster writing$24.99
- NDEF Text language$24.99
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- MQTT Support$199.99
Questions
Is NTAG I2C Demoboard free?
Is NFC Read Write free?
Which has better reviews, NTAG I2C Demoboard or NFC Read Write?
Do NTAG I2C Demoboard or NFC Read Write have ads?
Which is updated more often, NTAG I2C Demoboard or NFC Read Write?
Other comparisons
