# Happ+ vs Smart NFC

The clearest difference is in-app purchases: Happ+ at none against Smart NFC's 1. Happ+ also leads on update cadence (every 4 weeks vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Smart NFC sells 1 one-off in-app purchase. Happ+ asks for nothing beyond the download.

Happ+ ships an update every 4 weeks, Smart NFC every 2 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Happ+ | Smart NFC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/happ-plus/id1196203982/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 27 MB | 16 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Solmitech Co., Ltd.](https://appshunter.io/developer/1137596608) | [Remi Herbiet](https://appshunter.io/developer/1493980634) |

## What reviewers say

### Happ+

[App page](https://appshunter.io/ios/app/happ-plus/id1196203982)

Monitor your ECG, heart rate, and stress levels anytime, anywhere with this mobile healthcare system. It records and analyzes body signals, providing results and saving capabilities for various health indices. Data can be transmitted via email for further review.

**Highlights:** Interactive ECG monitor, Real-time heart rate and stress monitoring, Save health data up to 24 hours, Analysis results for health indices, Transmit vital signs via email, Compatible with iOS devices

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart NFC

[App page](https://appshunter.io/ios/app/smart-nfc-read-and-write-tags/id6749724229)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NFC Pro | $19.99 | one-time |


## Frequently asked questions

### Is Happ+ free?

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

### Is Smart NFC free?

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

### Do Happ+ or Smart NFC have ads?

Neither Happ+ nor Smart NFC shows ads.

### Which is updated more often, Happ+ or Smart NFC?

Happ+ ships an update every 4 weeks, and Smart NFC every 2 months. Most recently, Happ+ was updated on October 12, 2026 and Smart NFC on October 7, 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.*