# PatenteChill vs RoadPrep

The clearest difference is update cadence: RoadPrep at every 2 days against PatenteChill's every 3 weeks. RoadPrep also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PatenteChill sells 1 one-off in-app purchase and RoadPrep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PatenteChill ships an update every 3 weeks, RoadPrep every 2 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PatenteChill | RoadPrep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 516 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [ELIGIO HUANG](https://appshunter.io/developer/6771777038) | [Jonathan Ngbonga](https://appshunter.io/developer/1871210887) |

## What reviewers say

### PatenteChill

[App page](https://appshunter.io/ios/app/patentechill/id6787154836)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tutor AI · 1 mese | $2.99 | one-time |


### RoadPrep

[App page](https://appshunter.io/ios/app/roadprep-driving-theory-test/id6808335775)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RoadPrep Pro | $4.99 | one-time |


## Frequently asked questions

### Is PatenteChill free?

PatenteChill is free to download, with in-app purchases available.

### Is RoadPrep free?

RoadPrep is free to download, with in-app purchases available.

### Do PatenteChill or RoadPrep have ads?

Both PatenteChill and RoadPrep show ads.

### Which is updated more often, PatenteChill or RoadPrep?

PatenteChill ships an update every 3 weeks, and RoadPrep every 2 days. Most recently, PatenteChill was updated on October 31, 2026 and RoadPrep on November 6, 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.*