# Smart NFC Tools vs TrafoCalc

The clearest difference is price: Smart NFC Tools at Free against TrafoCalc's $0.99. Smart NFC Tools also leads on iOS requirement (15.6 vs 18.2). TrafoCalc's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Smart NFC Tools is free to download; TrafoCalc costs $0.99 up front. Smart NFC Tools sells 1 one-off in-app purchase. TrafoCalc asks for nothing beyond the download.

Smart NFC Tools ships an update weekly, TrafoCalc every 9 days. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Smart NFC Tools | TrafoCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (476 ratings)](https://appshunter.io/ios/app/smart-nfc-tools-read-and-write/id1527587931/reviews)** | — |
| Number of ratings | **476** | — |
| Positive reviews | 30.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 4 MB |
| Requires iOS | **15.6** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.](https://appshunter.io/developer/867175889) | [Mohd Dahnial Ismail](https://appshunter.io/developer/1868973164) |

## What reviewers say

### 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


### TrafoCalc

[App page](https://appshunter.io/ios/app/trafocalc/id6757797482)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart NFC Tools free?

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

### Is TrafoCalc free?

TrafoCalc costs $0.99, with no in-app purchases.

### Do Smart NFC Tools or TrafoCalc have ads?

Neither Smart NFC Tools nor TrafoCalc shows ads.

### Which is updated more often, Smart NFC Tools or TrafoCalc?

Smart NFC Tools ships an update weekly, and TrafoCalc every 9 days. Most recently, Smart NFC Tools was updated on September 24, 2026 and TrafoCalc on September 8, 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.*