# Relay Check vs GrepEx

The clearest difference is price: Relay Check at Free against GrepEx's $1.99. GrepEx's advantage is update cadence (weekly vs every 4 months) and iOS requirement (13.4 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Relay Check is free to download; GrepEx costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Relay Check ships an update every 4 months, GrepEx weekly. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Relay Check | GrepEx |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 8 MB | 12 MB |
| Requires iOS | 17.0 | **13.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAMF Software](https://appshunter.io/developer/290965542) | [Jeremy Laratro](https://appshunter.io/developer/1864044207) |

## What reviewers say

### Relay Check

[App page](https://appshunter.io/ios/app/relay-check/id6742145178)

**Features:** Vision Pro support

**In-app purchases:** none


### GrepEx

[App page](https://appshunter.io/ios/app/grepex/id6756987451)

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

**In-app purchases:** none


## Frequently asked questions

### Is Relay Check free?

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

### Is GrepEx free?

GrepEx costs $1.99, with no in-app purchases.

### Do Relay Check or GrepEx have ads?

Neither Relay Check nor GrepEx shows ads.

### Which is updated more often, Relay Check or GrepEx?

Relay Check ships an update every 4 months, and GrepEx weekly. Most recently, Relay Check was updated on October 19, 2026 and GrepEx on October 7, 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.*