# IamThermowatt vs OKTap

The clearest difference is in-app purchases: IamThermowatt at none against OKTap's 1. IamThermowatt also leads on iOS requirement (15.0 vs 17.0). OKTap's advantage is update cadence (every 5 months vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. OKTap sells 1 one-off in-app purchase. IamThermowatt asks for nothing beyond the download.

IamThermowatt ships an update every 15 months, OKTap every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | IamThermowatt | OKTap |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 68 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thermowatt SpA](https://appshunter.io/developer/1619740671) | [EDUCACION GLOBAL, INC](https://appshunter.io/developer/1866276248) |

## What reviewers say

### IamThermowatt

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

**Features:** macOS Compatibility

**In-app purchases:** none


### OKTap

[App page](https://appshunter.io/ios/app/oktap-pro-nfc-tools/id6739158921)

Create NFC cards that perform specific iOS actions with a single tap. Share contact details, Wi-Fi access, or open websites. Designed for simplicity and user control, it requires no background scanning or tracking.

**Highlights:** Create NFC cards for actions, Share contact details, Offer Wi-Fi access, Open websites or links, User-initiated taps, One action per card, No background scanning

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Creator Pack | $3.99 | one-time |


## Frequently asked questions

### Is IamThermowatt free?

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

### Is OKTap free?

OKTap is free to download, with in-app purchases available.

### Do IamThermowatt or OKTap have ads?

Neither IamThermowatt nor OKTap shows ads.

### Which is updated more often, IamThermowatt or OKTap?

IamThermowatt ships an update every 15 months, and OKTap every 5 months. Most recently, IamThermowatt was updated on November 3, 2026 and OKTap on October 30, 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.*