# Relay Network vs OSDP Reader

The clearest difference is monetization model: Relay Network at free against OSDP Reader's paid. Relay Network also leads on iOS requirement (9.0 vs 15). OSDP Reader's advantage is update cadence (every 2 months vs every 6 months). On price, ads, in-app purchases and device support there is nothing between them.

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

Relay Network ships an update every 6 months, OSDP Reader every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Relay Network | OSDP Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/osdp-reader/id6477343162/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 11 MB |
| Requires iOS | **9.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Devantech Ltd.](https://appshunter.io/developer/601306747) | [Sebury](https://appshunter.io/developer/1329453882) |

## What reviewers say

### Relay Network

[App page](https://appshunter.io/ios/app/relay-network/id601314428)

Control multiple relay modules over the internet. Easily add, remove, and customize names for modules and individual relays for clear identification of outputs.

**Highlights:** Control multiple relay modules, Internet connectivity, Add/remove modules easily, Custom module naming, Custom relay naming

**Features:** macOS Compatibility

**In-app purchases:** none


### OSDP Reader

[App page](https://appshunter.io/ios/app/osdp-reader/id6477343162)

This utility app supports the latest OSDP card reader version 2.2. It offers extensive mobile virtual card number settings, including Wiegand and OSDP output formats, keypad settings, and LED light customization.

**Highlights:** OSDP 2.2 support, Mobile virtual card number, Wiegand output format settings, OSDP output format settings, Keypad output format settings, LED light color customization, Backlight setting

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

**In-app purchases:** none


## Frequently asked questions

### Is Relay Network free?

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

### Is OSDP Reader free?

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

### Do Relay Network or OSDP Reader have ads?

Neither Relay Network nor OSDP Reader shows ads.

### Which is updated more often, Relay Network or OSDP Reader?

Relay Network ships an update every 6 months, and OSDP Reader every 2 months. Most recently, Relay Network was updated on November 1, 2026 and OSDP Reader on November 4, 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.*