NTAG I2C Demoboard vs NFC ReWriter
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 ReWriter
Easily write NDEF messages to NFC tags. This open-source tool also allows for custom transceive commands using a built-in toolkit.
- Write NDEF messages to NFC tags
- Write custom transceive commands
- Open-source project
- React-Native based
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NFC ReWriter is an open source project built on-top-of React-Native. This app could help you easily write NDEF message to NFC Forum tag. Also let you write custom transceive commands in TOOLKIT.
Screenshots
Verdict
The clearest difference is rating: NFC ReWriter at 4.7 against NTAG I2C Demoboard's 1.0. NFC ReWriter also leads on update cadence (every 2 months vs every 17 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model 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.
NFC ReWriter holds the better App Store score, 4.7 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
NTAG I2C Demoboard ships an update every 17 months, NFC ReWriter every 2 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | NTAG I2C Demoboard | NFC ReWriter |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 4.7 (3 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 17 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 19 MB |
| Age rating | 17+ | 4+ |
| Developer | MobileKnowledge | Revtel Tech co.ltd |
Customer experience
NTAG I2C Demoboard
NFC ReWriter
In-app purchases
NTAG I2C Demoboard
No in-app purchases
NFC ReWriter
No in-app purchases
Questions
Is NTAG I2C Demoboard free?
Is NFC ReWriter free?
Which has better reviews, NTAG I2C Demoboard or NFC ReWriter?
Do NTAG I2C Demoboard or NFC ReWriter have ads?
Which is updated more often, NTAG I2C Demoboard or NFC ReWriter?
Other comparisons
