# RMS Delta vs GateRelay

The clearest difference is in-app purchases: RMS Delta at none against GateRelay's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. GateRelay sells 2 one-off in-app purchases. RMS Delta asks for nothing beyond the download.

RMS Delta ships an update weekly, GateRelay every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RMS Delta | GateRelay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/rms-delta/id6484267957/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Size | 3 MB | 37 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rochester Sensors, LLC](https://appshunter.io/developer/1006999301) | [George Alexandrou](https://appshunter.io/developer/1875566334) |

## What reviewers say

### RMS Delta

[App page](https://appshunter.io/ios/app/rms-delta/id6484267957)

**Features:** macOS Compatibility

**In-app purchases:** none


### GateRelay

[App page](https://appshunter.io/ios/app/gaterelay-gsm-gate-control/id6760940464)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GateRelay Basic | $3.99 | one-time |
| GateRelay Pro | $9.99 | one-time |


## Frequently asked questions

### Is RMS Delta free?

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

### Is GateRelay free?

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

### Do RMS Delta or GateRelay have ads?

Neither RMS Delta nor GateRelay shows ads.

### Which is updated more often, RMS Delta or GateRelay?

RMS Delta ships an update weekly, and GateRelay every 9 days. Most recently, RMS Delta was updated on October 24, 2026 and GateRelay 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.*