# Keystone Products vs WattCheck

The clearest difference is rating: Keystone Products at 5.0 against WattCheck's 1.0. Keystone Products also leads on in-app purchases (none vs 3) and iOS requirement (14.0 vs 18.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. WattCheck sells 3 in-app purchases, starting at $1.99 per 7 days. Keystone Products asks for nothing beyond the download.

Keystone Products holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | Keystone Products | WattCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keystone-products/id6774131393/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/wattcheck-cable-tester/id6790480866/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Monetization | **Free** | Freemium |
| Size | 209 MB | 16 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Almo Corporation](https://appshunter.io/developer/529491295) | [SUN TEAME PTE. LTD.](https://appshunter.io/developer/941073095) |

## What reviewers say

### Keystone Products

[App page](https://appshunter.io/ios/app/keystone-products/id6774131393)

Control home appliances remotely for comfort and convenience. Easily set temperature, modes, fan speed, and timers. Share access with family and manage multiple devices with intuitive organization.

**Highlights:** Remote appliance control, Temperature and mode adjustment, Fan speed and airflow settings, Eco and sleep modes, Scheduling timers, Device naming and grouping, Family access sharing

**In-app purchases:** none


### WattCheck

[App page](https://appshunter.io/ios/app/wattcheck-cable-tester/id6790480866)

This app helps you test and compare your charging cables and power adapters. It estimates charging performance over time, allowing you to rank your cables and identify the best and weakest charging gear. Clean up your cable drawer and stop guessing which cable is slowing you down.

**Highlights:** Charging performance test, 5, 10, and 20 minute results, Cable ranking, Best and weakest cable detection, Charger comparison, Test history, CSV export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WattCheck Premium Weekly | $1.99 | per 7 days |
| WattCheck Premium Monthly | $5.99 | per month |
| WattCheck Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Keystone Products free?

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

### Is WattCheck free?

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

### Which has better reviews, Keystone Products or WattCheck?

Keystone Products is rated higher. Keystone Products averages 5.0 out of 5 from 1 ratings, while WattCheck averages 1.0 from 1 ratings.

### Do Keystone Products or WattCheck have ads?

Neither Keystone Products nor WattCheck shows ads.

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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.*