# Nitty Gritty 4rex vs Rendcore

The clearest difference is update cadence: Rendcore at every 4 months against Nitty Gritty 4rex's every 36 months. Nitty Gritty 4rex's advantage is iOS requirement (11.0 vs 15.1). 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.

Nitty Gritty 4rex ships an update every 36 months, Rendcore every 4 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Nitty Gritty 4rex | Rendcore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 4 months** |
| Size | 7 MB | 56 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Nittygritty Solutions Ltd](https://appshunter.io/developer/1569060896) | [Rendcore Technology Limited](https://appshunter.io/developer/1826858891) |

## What reviewers say

### Nitty Gritty 4rex

[App page](https://appshunter.io/ios/app/nitty-gritty-4rex/id1569060894)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rendcore

[App page](https://appshunter.io/ios/app/rendcore/id6748656880)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nitty Gritty 4rex free?

Nitty Gritty 4rex is free to download, with no in-app purchases.

### Is Rendcore free?

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

### Do Nitty Gritty 4rex or Rendcore have ads?

Neither Nitty Gritty 4rex nor Rendcore shows ads.

### Which is updated more often, Nitty Gritty 4rex or Rendcore?

Nitty Gritty 4rex ships an update every 36 months, and Rendcore every 4 months. Most recently, Nitty Gritty 4rex was updated on October 4, 2026 and Rendcore on October 5, 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.*