# GRC Summit vs DIIR EventHub

GRC Summit and DIIR EventHub are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

GRC Summit ships an update every 2 months, DIIR EventHub every 6 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GRC Summit | DIIR EventHub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 58 MB | 76 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MetricStream Inc.](https://appshunter.io/developer/871413241) | [Deutsches Institut für Interne Revision e.V.](https://appshunter.io/developer/1795654523) |

## What reviewers say

### GRC Summit

[App page](https://appshunter.io/ios/app/grc-summit/id1455460252)

**Features:** macOS Compatibility

**In-app purchases:** none


### DIIR EventHub

[App page](https://appshunter.io/ios/app/diir-eventhub/id6778119943)

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

**In-app purchases:** none


## Frequently asked questions

### Is GRC Summit free?

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

### Is DIIR EventHub free?

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

### Do GRC Summit or DIIR EventHub have ads?

Neither GRC Summit nor DIIR EventHub shows ads.

### Which is updated more often, GRC Summit or DIIR EventHub?

GRC Summit ships an update every 2 months, and DIIR EventHub every 6 weeks. Most recently, GRC Summit was updated on October 29, 2026 and DIIR EventHub on October 24, 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.*