# Pressure Unit CVT vs GNR13

The clearest difference is update cadence: GNR13 at every 6 weeks against Pressure Unit CVT's every 4 months. Pressure Unit CVT's advantage is iOS requirement (12.1 vs 15.6). 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.

Pressure Unit CVT ships an update every 4 months, GNR13 every 6 weeks. The most recent releases landed on September 30, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Pressure Unit CVT | GNR13 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 14 MB | 59 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hidenori Ishii](https://appshunter.io/developer/1453853542) | [Gautica Tecnologia e Inovacao Ltda](https://appshunter.io/developer/721334649) |

## What reviewers say

### Pressure Unit CVT

[App page](https://appshunter.io/ios/app/pressure-unit-cvt/id1454393733)

**Features:** macOS Compatibility

**In-app purchases:** none


### GNR13

[App page](https://appshunter.io/ios/app/gnr13/id1581982938)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pressure Unit CVT free?

Pressure Unit CVT is free to download, with no in-app purchases.

### Is GNR13 free?

GNR13 is free to download, with no in-app purchases.

### Do Pressure Unit CVT or GNR13 have ads?

Neither Pressure Unit CVT nor GNR13 shows ads.

### Which is updated more often, Pressure Unit CVT or GNR13?

Pressure Unit CVT ships an update every 4 months, and GNR13 every 6 weeks. Most recently, Pressure Unit CVT was updated on September 30, 2026 and GNR13 on October 3, 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.*