# ScarfApp vs Soler Prf

The clearest difference is price: Soler Prf at Free against ScarfApp's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Soler Prf is free to download; ScarfApp costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ScarfApp ships an update every 10 months, Soler Prf every 12 months. The most recent releases landed on September 26, 2026 and July 5, 2026 respectively.

## The numbers

| Metric | ScarfApp | Soler Prf |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/soler-prf/id1565066919/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 12 months |
| Monetization | — | Free |
| Size | 16 MB | 33 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vitamina K](https://appshunter.io/developer/403036047) | [DLX](https://appshunter.io/developer/1565066921) |

## What reviewers say

### ScarfApp

[App page](https://appshunter.io/ios/app/scarfapp/id1555778534)

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

**In-app purchases:** none


### Soler Prf

[App page](https://appshunter.io/ios/app/soler-prf/id1565066919)

This app offers advanced control over your vehicle's throttle response. Choose from multiple driving modes and acceleration levels, or let AI adapt to your driving style. It includes features for transmission type, locking, resetting, and password protection.

**Highlights:** Nine driving modes, Nine acceleration levels per mode, AI learning mode, Transmission type selection, Lock/unlock functionality, Password protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ScarfApp free?

ScarfApp costs $2.99, with no in-app purchases.

### Is Soler Prf free?

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

### Do ScarfApp or Soler Prf have ads?

Neither ScarfApp nor Soler Prf shows ads.

### Which is updated more often, ScarfApp or Soler Prf?

ScarfApp ships an update every 10 months, and Soler Prf every 12 months. Most recently, ScarfApp was updated on September 26, 2026 and Soler Prf on July 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.*