# GRCatalog vs Kwirk.io

GRCatalog and Kwirk.io 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.

GRCatalog ships an update every 2 months, Kwirk.io every 4 months. The most recent releases landed on September 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | GRCatalog | Kwirk.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kwirkio/id6446597670/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | — | Free |
| Size | 7 MB | 3 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Grabba International Pty Ltd](https://appshunter.io/developer/375058083) | [Rheosoph GmbH](https://appshunter.io/developer/1663636734) |

## What reviewers say

### GRCatalog

[App page](https://appshunter.io/ios/app/grcatalog/id559618155)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kwirk.io

[App page](https://appshunter.io/ios/app/kwirkio/id6446597670)

This AI-powered writing tool enhances your writing speed and quality. It integrates advanced AI support and allows embedding various media types into your documents. Collaborate in real-time with end-to-end encryption and export your work in multiple formats.

**Highlights:** Next-gen AI writing technology, ChatGPT integration, Embed YouTube videos, images, Figma, Offline-first experience, End-to-end encrypted real-time collaboration, File export (markdown, text, docx)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GRCatalog free?

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

### Is Kwirk.io free?

Kwirk.io is free to download, with no in-app purchases.

### Do GRCatalog or Kwirk.io have ads?

Neither GRCatalog nor Kwirk.io shows ads.

### Which is updated more often, GRCatalog or Kwirk.io?

GRCatalog ships an update every 2 months, and Kwirk.io every 4 months. Most recently, GRCatalog was updated on September 26, 2026 and Kwirk.io on October 13, 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.*