# Relay Check vs GeniusPDF Ai

The clearest difference is ads: Relay Check at none against GeniusPDF Ai's shown. GeniusPDF Ai's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (13 vs 17.0). On price, 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 Check ships an update every 4 months, GeniusPDF Ai every 3 weeks. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Relay Check | GeniusPDF Ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 8 MB | 60 MB |
| Requires iOS | 17.0 | **13** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JAMF Software](https://appshunter.io/developer/290965542) | [琪 刘](https://appshunter.io/developer/1892231819) |

## What reviewers say

### Relay Check

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

**Features:** Vision Pro support

**In-app purchases:** none


### GeniusPDF Ai

[App page](https://appshunter.io/ios/app/geniuspdf-ai/id6762031334)

**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 GeniusPDF Ai free?

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

### Do Relay Check or GeniusPDF Ai have ads?

GeniusPDF Ai shows ads; Relay Check does not.

### Which is updated more often, Relay Check or GeniusPDF Ai?

Relay Check ships an update every 4 months, and GeniusPDF Ai every 3 weeks. Most recently, Relay Check was updated on October 19, 2026 and GeniusPDF Ai on October 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.*