NFC TagWriter by NXP vs ST NFC Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NFC TagWriter by NXP
This application allows you to write various types of data, including contacts, bookmarks, and SMS messages, to any NFC-enabled tag. Once programmed, you can read the stored information and even launch applications automatically based on the data. It works with posters, business cards, and other NFC-enabled items.
- Store contacts, bookmarks, geo locations
- Program SMS, Bluetooth, and Mail data
- Write to NFC-enabled tags and items
- Read and view programmed data
- Launch applications automatically
- Works with posters and business cards
Read full descriptionHide full description
The NFC TagWriter by NXP Semiconductors, stores Contacts, Bookmarks, Geo location, Bluetooth, Handover, SMS, Mail and many more to any NFC enabled tags as well as to items like posters, business cards and many more containing NFC-enabled electronics. Once data has been stored the application allows reading and viewing the programmed data including options to launch applications automatically based on the contained data.
ST NFC Sensor
This application showcases energy harvesting capabilities for NFC tags. It allows users to read sensor data from systems running specific firmware, even without a battery. Explore the potential of battery-free sensor deployment.
- Demonstrates energy harvesting
- Reads sensor data
- Supports FP-SNS-SMARTAG1 firmware
- Works with STEVAL-SMARTAG1 evaluation board
- Enables battery-free deployment
Read full descriptionHide full description
The ST NFC Sensor app demonstrate the Energy Harvesting feature. You can read data, in one shot mode, from any system running the FP-SNS-SMARTAG1 firmware package, like the STEVAL-SMARTAG1 evaluation board. The energy harvesting feature of the embedded ST25DV series Dynamic NFC Tag means you can even deploy the STEVAL-SMARTAG1 without a battery and still read sensor data in one shot mode. For more information, visit the STEVAL-SMARTAG1 and FP-SNS-SMARTAG1 web pages on www.st.com
Screenshots
Verdict
The clearest difference is update cadence: ST NFC Sensor at every 6 weeks against NFC TagWriter by NXP's every 10 months. ST NFC Sensor also leads on iOS requirement (13.0 vs 15.6). NFC TagWriter by NXP's advantage is review sentiment (26% vs 0%) and ratings volume (33 vs 3). On price, rating, 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.
On the App Store both sit at effectively the same score — 2.2 for NFC TagWriter by NXP against 2.3 for ST NFC Sensor. That said, the two scores are not equally well evidenced: NFC TagWriter by NXP has 33 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 26% of NFC TagWriter by NXP's written reviews are positive against 0% of ST NFC Sensor's.
NFC TagWriter by NXP ships an update every 10 months, ST NFC Sensor every 6 weeks. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.
| Parameter | NFC TagWriter by NXP | ST NFC Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | 2.2 (33 ratings) | 2.3 (3 ratings) — better |
| Positive reviews | 25.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 33 — better | 3 |
| Update frequency | Every 10 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | NXP Semiconductors | STMicroelectronics |
Customer experience
NFC TagWriter by NXP
ST NFC Sensor
In-app purchases
NFC TagWriter by NXP
No in-app purchases
ST NFC Sensor
No in-app purchases
Questions
Is NFC TagWriter by NXP free?
Is ST NFC Sensor free?
Which has better reviews, NFC TagWriter by NXP or ST NFC Sensor?
Do NFC TagWriter by NXP or ST NFC Sensor have ads?
Which is updated more often, NFC TagWriter by NXP or ST NFC Sensor?
Other comparisons
