# WattUp vs NFC Developer App

The clearest difference is update cadence: NFC Developer App at every 3 weeks against WattUp's every 5 weeks. WattUp's advantage is iOS requirement (12.4 vs 15.1). 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.

WattUp ships an update every 5 weeks, NFC Developer App every 3 weeks. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | WattUp | NFC Developer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/wattup/id1576818379/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 22 MB | 12 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Energous Corporation](https://appshunter.io/developer/1576818381) | [Arx Research](https://appshunter.io/developer/1706202208) |

## What reviewers say

### WattUp

[App page](https://appshunter.io/ios/app/wattup/id1576818379)

This application allows users to scan for and connect to wireless charging devices using Bluetooth. It enables configuration, control, and monitoring of transmitters and receivers, along with software updates for enabled devices.

**Highlights:** Scan for WattUp enabled devices, Connect via Bluetooth Low Energy (BLE), Configure transmitters and receivers, Control charging devices, Monitor device status, Update device software

**Features:** Vision Pro support

**In-app purchases:** none


### NFC Developer App

[App page](https://appshunter.io/ios/app/nfc-developer-app/id1603654326)

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

**In-app purchases:** none


## Frequently asked questions

### Is WattUp free?

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

### Is NFC Developer App free?

NFC Developer App is free to download, with no in-app purchases.

### Do WattUp or NFC Developer App have ads?

Neither WattUp nor NFC Developer App shows ads.

### Which is updated more often, WattUp or NFC Developer App?

WattUp ships an update every 5 weeks, and NFC Developer App every 3 weeks. Most recently, WattUp was updated on September 21, 2026 and NFC Developer App on September 18, 2026.

---

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