# B vs Authenticator App

The clearest difference is rating: Authenticator App at 5.0 against B's 3.0. Authenticator App also leads on in-app purchases (none vs 4) and review sentiment (100% vs 75%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. B sells 4 in-app purchases, starting at $3.99 per month. Authenticator App asks for nothing beyond the download.

Authenticator App holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 75% of B's written reviews are positive against 100% of Authenticator App's.

B ships an update weekly, Authenticator App every 4 days. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | B | Authenticator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/b-key-pro-for-tesla-car-key/id6504775593/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/authenticator-app-twoauth/id6799068050/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Freemium | **Free** |
| Size | 54 MB | 3 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [钰钢 王](https://appshunter.io/developer/589729469) | [Hangzhou JoyTime Technology Co., Ltd.](https://appshunter.io/developer/1562298447) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-key-pro-for-tesla-car-key/id6504775593)

Transform your iPhone and Apple Watch into a comprehensive Tesla remote and dashboard. Control your vehicle's locks, climate, charging, and more, with customizable displays and standalone Apple Watch functionality.

**Highlights:** Bluetooth vehicle control, Remote vehicle control, Apple Watch standalone support, Customizable dashboard, Climate controls, Charging management, Siri Shortcuts

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| 6-Month Subscription | $14.99 | per 6 months |
| Annual Subscription | $29.99 | per year |
| One-time Purchase | $69.99 | one-time |


### Authenticator App

[App page](https://appshunter.io/ios/app/authenticator-app-twoauth/id6799068050)

This app generates verification codes for two-factor and multi-factor authentication. It offers a secure, offline experience with no data collection or ads, serving as a robust alternative to other authenticator apps.

**Highlights:** Fully offline operation, Private key storage, Zero data collection, Import accounts from Google Authenticator, Scan QR codes or enter keys manually, Instant code refresh with previews, Bulk export options

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

**In-app purchases:** none


## Frequently asked questions

### Is B free?

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

### Is Authenticator App free?

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

### Which has better reviews, B or Authenticator App?

Authenticator App is rated higher. B averages 3.0 out of 5 from 2 ratings, while Authenticator App averages 5.0 from 1 ratings.

### Do B or Authenticator App have ads?

Neither B nor Authenticator App shows ads.

### Which is updated more often, B or Authenticator App?

B ships an update weekly, and Authenticator App every 4 days. Most recently, B was updated on October 2, 2026 and Authenticator App on October 14, 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.*