# Frequency Converter vs KGateway

The clearest difference is in-app purchases: KGateway at none against Frequency Converter's 3. KGateway also leads on update cadence (every 10 days vs every 64 months). Frequency Converter's advantage is ratings volume (8 vs 1) and iOS requirement (13.4 vs 15.6). On price, rating, ads and device support there is nothing between them.

Both are free to download. Frequency Converter sells 3 in-app purchases, starting at $0.99 per 7 days. KGateway asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Frequency Converter against 5.0 for KGateway. That said, the two scores are not equally well evidenced: Frequency Converter has 8 ratings behind it against 1, so its average is the more settled of the two.

Frequency Converter ships an update every 64 months, KGateway every 10 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Frequency Converter | KGateway |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/frequency-converter/id1539673060/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kgateway/id6450362490/reviews) |
| Number of ratings | **8** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 64 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 2 MB | 21 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anna Filobok](https://appshunter.io/developer/1613515832) | [KKM Co.,Ltd.](https://appshunter.io/developer/1009170317) |

## What reviewers say

### Frequency Converter

[App page](https://appshunter.io/ios/app/frequency-converter/id1539673060)

Easily convert frequencies between Hertz, Kilohertz, Megahertz, and Gigahertz. This tool is designed for builders, electricians, scientists, and anyone needing quick frequency conversions.

**Highlights:** Convert Hertz (Hz), Convert Kilohertz (kHz), Convert Megahertz (MHz), Convert Gigahertz (GHz), Fast conversions, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $0.99 | per 7 days |
| Premium Access | $1.99 | per month |
| Premium Access | $5.99 | per year |


### KGateway

[App page](https://appshunter.io/ios/app/kgateway/id6450362490)

Configure your KKM BLE/Wi-Fi gateway with this utility app. Set up Wi-Fi, BLE scan parameters, and server information to connect beacon and sensor devices and report data to the cloud.

**Highlights:** Configure Wi-Fi connection, Set BLE scan parameters, Define HTTP/MQTT server info, Connect BLE Beacon/Sensor devices, Report sensor data to cloud

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

**In-app purchases:** none


## Frequently asked questions

### Is Frequency Converter free?

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

### Is KGateway free?

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

### Which has better reviews, Frequency Converter or KGateway?

Frequency Converter and KGateway are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do Frequency Converter or KGateway have ads?

Neither Frequency Converter nor KGateway shows ads.

### Which is updated more often, Frequency Converter or KGateway?

Frequency Converter ships an update every 64 months, and KGateway every 10 days. Most recently, Frequency Converter was updated on November 3, 2026 and KGateway on November 3, 2026.

---

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