# WattUp vs AppMaster Developer

The clearest difference is rating: WattUp at 4.2 against AppMaster Developer's 3.0. AppMaster Developer's advantage is update cadence (weekly vs every 5 weeks). On price, review sentiment, ratings volume and ads there is nothing between them.

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

WattUp holds the better App Store score, 4.2 against 3.0. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

WattUp ships an update every 5 weeks, AppMaster Developer weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | WattUp | AppMaster Developer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/wattup/id1576818379/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/appmaster-developer/id1603773225/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 39 MB | 45 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Energous Corporation](https://appshunter.io/developer/1576818381) | [AppMaster Inc](https://appshunter.io/developer/1603773227) |

## 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


### AppMaster Developer

[App page](https://appshunter.io/ios/app/appmaster-developer/id1603773225)

This application allows no-code developers to preview their mobile app projects in real-time. It supports features like QR code scanning, Face-ID authentication, and push notifications, enabling immediate testing of designs and functionalities.

**Highlights:** Real-time project preview, QR and barcode scanning, Face-ID authentication, Push notification testing, No-code development assistance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WattUp free?

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

### Is AppMaster Developer free?

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

### Which has better reviews, WattUp or AppMaster Developer?

WattUp is rated higher. WattUp averages 4.2 out of 5 from 5 ratings, while AppMaster Developer averages 3.0 from 2 ratings.

### Do WattUp or AppMaster Developer have ads?

Neither WattUp nor AppMaster Developer shows ads.

### Which is updated more often, WattUp or AppMaster Developer?

WattUp ships an update every 5 weeks, and AppMaster Developer weekly. Most recently, WattUp was updated on November 3, 2026 and AppMaster Developer on November 3, 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.*