# CarTrust vs KAU Authenticator

The clearest difference is rating: CarTrust at 4.0 against KAU Authenticator's 2.3. KAU Authenticator's advantage is iOS requirement (13.0 vs 15.6). 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.

CarTrust holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 7 and 3 respectively.

CarTrust ships an update every 2 months, KAU Authenticator monthly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | CarTrust | KAU Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/cartrust/id1581827929/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/kau-authenticator/id1644669727/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 105 MB | 23 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CAR TRUST COMPANY LTD.](https://appshunter.io/developer/1581172186) | [kau.edu](https://appshunter.io/developer/599032456) |

## What reviewers say

### CarTrust

[App page](https://appshunter.io/ios/app/cartrust/id1581827929)

This platform offers automotive inspection and evaluation services for used cars. It utilizes advanced AI and machine learning technologies to provide comprehensive solutions for buyers, sellers, and fleet owners.

**Highlights:** Used car inspections, Vehicle evaluation solutions, AI and machine learning powered, For buyers, sellers, and fleets, World-class technology and equipment

**Features:** macOS Compatibility

**In-app purchases:** none


### KAU Authenticator

[App page](https://appshunter.io/ios/app/kau-authenticator/id1644669727)

This app provides secure two-factor authentication for university systems. It generates time-based one-time passwords and supports offline code generation. The app prioritizes user privacy by storing all keys locally on the device.

**Highlights:** Time-based one-time password (TOTP) generation, Secure QR code scanning for account setup, Offline code generation, Auto-refreshing codes every 30 seconds, Lightweight, fast, and secure design, Local storage of authentication keys

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CarTrust free?

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

### Is KAU Authenticator free?

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

### Which has better reviews, CarTrust or KAU Authenticator?

CarTrust is rated higher. CarTrust averages 4.0 out of 5 from 7 ratings, while KAU Authenticator averages 2.3 from 3 ratings.

### Do CarTrust or KAU Authenticator have ads?

Neither CarTrust nor KAU Authenticator shows ads.

### Which is updated more often, CarTrust or KAU Authenticator?

CarTrust ships an update every 2 months, and KAU Authenticator monthly. Most recently, CarTrust was updated on September 18, 2026 and KAU Authenticator on September 8, 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.*