# Author ID vs Soler Prf

The clearest difference is rating: Soler Prf at 4.5 against Author ID's 3.6. Soler Prf also leads on review sentiment (50% vs 22%). Author ID's advantage is iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Soler Prf holds the better App Store score, 4.5 against 3.6. Both are backed by a comparable volume of ratings — 9 and 8 respectively. Written reviews point the same way: 22% of Author ID's written reviews are positive against 50% of Soler Prf's.

Author ID ships an update every 7 months, Soler Prf every 12 months. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Author ID | Soler Prf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (9 ratings)](https://appshunter.io/ios/app/author-id/id1144594689/reviews) | **[4.5 (8 ratings)](https://appshunter.io/ios/app/soler-prf/id1565066919/reviews)** |
| Number of ratings | **9** | 8 |
| Positive reviews | 21.9% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 29 MB | 33 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AUTHOR-ALARM](https://appshunter.io/developer/1344731145) | [DLX](https://appshunter.io/developer/1565066921) |

## What reviewers say

### Author ID

[App page](https://appshunter.io/ios/app/author-id/id1144594689)

Transform your smartphone into a key fob for your vehicle's anti-theft system. Easily activate and deactivate security features remotely. Compatible with specific models of AUTHOR Alarm systems.

**Highlights:** Use smartphone as key fob, Activate security system, Deactivate security system, Compatible with AUTHOR Alarm systems, Remote control for vehicle security

**Features:** macOS Compatibility

**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 Author ID free?

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

### Is Soler Prf free?

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

### Which has better reviews, Author ID or Soler Prf?

Soler Prf is rated higher. Author ID averages 3.6 out of 5 from 9 ratings, while Soler Prf averages 4.5 from 8 ratings.

### Do Author ID or Soler Prf have ads?

Neither Author ID nor Soler Prf shows ads.

### Which is updated more often, Author ID or Soler Prf?

Author ID ships an update every 7 months, and Soler Prf every 12 months. Most recently, Author ID was updated on September 22, 2026 and Soler Prf on September 18, 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.*