# RidgeRelay vs ConvertALL Unit Converter

The clearest difference is in-app purchases: RidgeRelay at none against ConvertALL Unit Converter's 1. ConvertALL Unit Converter's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ConvertALL Unit Converter sells 1 one-off in-app purchase. RidgeRelay asks for nothing beyond the download.

RidgeRelay ships an update every 3 months, ConvertALL Unit Converter monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RidgeRelay | ConvertALL Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ridgerelay/id6467876360/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 1 MB | 24 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SWITCHED KINETIC IDEAS LLC](https://appshunter.io/developer/1709310563) | [AYLIN BICEN](https://appshunter.io/developer/1839275591) |

## What reviewers say

### RidgeRelay

[App page](https://appshunter.io/ios/app/ridgerelay/id6467876360)

Control up to six relay outputs directly from your iPhone. Personalize relay names, icons, and colors. Monitor live hardware status via Bluetooth connection.

**Highlights:** Control six relay outputs, Customize relay names, Personalize icons and colors, View live hardware status, Bluetooth connectivity

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

**In-app purchases:** none


### ConvertALL Unit Converter

[App page](https://appshunter.io/ios/app/convertall-unit-converter/id6753229100)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| converterpro | $4.99 | one-time |


## Frequently asked questions

### Is RidgeRelay free?

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

### Is ConvertALL Unit Converter free?

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

### Do RidgeRelay or ConvertALL Unit Converter have ads?

Neither RidgeRelay nor ConvertALL Unit Converter shows ads.

### Which is updated more often, RidgeRelay or ConvertALL Unit Converter?

RidgeRelay ships an update every 3 months, and ConvertALL Unit Converter monthly. Most recently, RidgeRelay was updated on October 24, 2026 and ConvertALL Unit Converter on October 25, 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.*