# IamThermowatt vs NFC Tag Encoder

The clearest difference is update cadence: NFC Tag Encoder at every 2 months against IamThermowatt's every 10 months. IamThermowatt's advantage is iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IamThermowatt ships an update every 10 months, NFC Tag Encoder every 2 months. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | IamThermowatt | NFC Tag Encoder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 45 MB | 20 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thermowatt SpA](https://appshunter.io/developer/1619740671) | [SILICON CRAFT TECHNOLOGY PUBLIC COMPANY LIMITED](https://appshunter.io/developer/1279674870) |

## What reviewers say

### IamThermowatt

[App page](https://appshunter.io/ios/app/iamthermowatt/id6451049295)

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC Tag Encoder

[App page](https://appshunter.io/ios/app/nfc-tag-encoder/id6740401948)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IamThermowatt free?

IamThermowatt is free to download, with no in-app purchases.

### Is NFC Tag Encoder free?

NFC Tag Encoder is free to download, with no in-app purchases.

### Do IamThermowatt or NFC Tag Encoder have ads?

Neither IamThermowatt nor NFC Tag Encoder shows ads.

### Which is updated more often, IamThermowatt or NFC Tag Encoder?

IamThermowatt ships an update every 10 months, and NFC Tag Encoder every 2 months. Most recently, IamThermowatt was updated on September 9, 2026 and NFC Tag Encoder on September 18, 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.*