# NTAG I2C Demoboard vs Smart NFC Tools

The clearest difference is rating: Smart NFC Tools at 4.6 against NTAG I2C Demoboard's 1.0. Smart NFC Tools also leads on update cadence (weekly vs every 17 months) and ratings volume (481 vs 1). NTAG I2C Demoboard's advantage is in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. Smart NFC Tools sells 1 one-off in-app purchase. NTAG I2C Demoboard asks for nothing beyond the download.

Smart NFC Tools holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Smart NFC Tools has 481 ratings behind it against 1, so its average is the more settled of the two.

NTAG I2C Demoboard ships an update every 17 months, Smart NFC Tools weekly. The most recent releases landed on October 8, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | NTAG I2C Demoboard | Smart NFC Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ntag-i2c-demoboard/id1495775864/reviews) | **[4.6 (481 ratings)](https://appshunter.io/ios/app/smart-nfc-tools-read-and-write/id1527587931/reviews)** |
| Number of ratings | 1 | **481** |
| Positive reviews | — | 30.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 35 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [MobileKnowledge](https://appshunter.io/developer/1110644820) | [Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.](https://appshunter.io/developer/867175889) |

## What reviewers say

### NTAG I2C Demoboard

[App page](https://appshunter.io/ios/app/ntag-i2c-demoboard/id1495775864)

Control LED colors, measure NFC download/upload speeds, and modify chip configurations. This utility app interacts with NTAG I²C demonstration boards.

**Highlights:** Change LED color, Measure NFC download/upload speed, Read chip configuration, Change chip configuration

**In-app purchases:** none


### Smart NFC Tools

[App page](https://appshunter.io/ios/app/smart-nfc-tools-read-and-write/id1527587931)

Easily read, inspect, and modify NFC tags with this intuitive tool. Write to tags in various formats to trigger actions like opening websites or making calls. Prioritizes user privacy by operating entirely offline.

**Highlights:** Read NFC tag content, Inspect and modify NFC tags, Erase, lock, and copy tags, Write NFC tags in various formats, Trigger phone calls or open websites, 100% offline operation

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NFC Tools Premium | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💰 Reasonable price
- 🚀 Works great
- 👍 Very practical
- 👍 Excellent app

**What reviewers complain about**

- 👎 Does not work
- 👎 Waste of money
- 👎 Free version limited
- 👎 Scam and money taken
- 👎 Paid and no function

**Reported bugs**

- Doesn't work to save contact card
- App glitches
- Doesn't work to read card and fob
- Paid for unlock, but restore doesn't work after iOS update
- Paid for ability to lock tags, but feature does not work

**Requested features**

- Add social media to chips
- Ability to add multiple items to card after paying


## Frequently asked questions

### Is NTAG I2C Demoboard free?

NTAG I2C Demoboard is free to download, with no in-app purchases.

### Is Smart NFC Tools free?

Smart NFC Tools is free to download, with in-app purchases available.

### Which has better reviews, NTAG I2C Demoboard or Smart NFC Tools?

Smart NFC Tools is rated higher. NTAG I2C Demoboard averages 1.0 out of 5 from 1 ratings, while Smart NFC Tools averages 4.6 from 481 ratings.

### Do NTAG I2C Demoboard or Smart NFC Tools have ads?

Neither NTAG I2C Demoboard nor Smart NFC Tools shows ads.

### Which is updated more often, NTAG I2C Demoboard or Smart NFC Tools?

NTAG I2C Demoboard ships an update every 17 months, and Smart NFC Tools weekly. Most recently, NTAG I2C Demoboard was updated on October 8, 2026 and Smart NFC Tools on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*