Comparison

B vs Authenticator App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

B

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
Read full description

B-KEY Pro is more than a Tesla Bluetooth key — it is a complete vehicle control and dashboard experience for iPhone and Apple Watch. Features include: • Bluetooth vehicle control • Remote vehicle control • Apple Watch standalone support • Landscape dashboard mode Turn your iPhone into a customizable vehicle dashboard with multiple speedometer styles and rich information widgets. 【Apple Watch Support】 • Standalone support • Vehicle & climate controls • Charging status & temperature adjustment • Complications, Smart Stack & Siri Shortcuts support 【Vehicle Controls】 • Vehicle status display • Lock / unlock • Door, trunk & charge port controls • Sentry Mode, horn & flash controls 【Climate Controls】 • Climate start / stop • Temperature adjustment • Vent / defrost • Advanced Tesla climate features support 【Charging Management】 • Charging status & details • Charging limit adjustment • Start / stop & scheduled charging 【Landscape Dashboard Mode】 Transform your iPhone into a customizable vehicle dashboard with: • Multiple speedometer styles • Vehicle information widgets • Weather, navigation, media & telemetry modules • Freely customizable layouts 【Widgets】 • Home & Lock Screen widgets • Custom quick controls • Control Center shortcuts 【Live Activities & Dynamic Island】(Bluetooth mode only) • Charging Live Activities • Dynamic Island vehicle status • Lock Screen quick controls 【Siri Shortcuts】 • Single and combined custom shortcuts support 【Supported Vehicles】 • Model 3 • Model Y • 2021+ Model S / Model X Requires Tesla software version 2023.44 or later. 【Security & Privacy】 B-KEY Pro is officially certified with Tesla developer APIs. After signing in with your Tesla account, remote vehicle control and vehicle status features become available. B-KEY Pro does not collect or upload any account information. 【Subscription】 Subscriptions unlock all features on both iPhone and Apple Watch, including Bluetooth Mode and Remote Mode. Subscription options:、Monthly Subscription、6-Month Subscription、Annual Subscription、Lifetime Purchase Payment will be charged to your iTunes account after purchase confirmation. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Terms of Service: https://app4tsl.com/bkeypro/protocol_s.html Privacy Policy: https://app4tsl.com/bkeypro/index_s.html#privacy 【Q&A】 1. Do I need a Tesla account? B-KEY Pro supports both Bluetooth Mode and Tesla Remote Authorization. If you only use Bluetooth vehicle control nearby, a Tesla account is not required. Remote control features require Tesla account authorization. 2. Can Apple Watch work independently? Yes.After subscribing, keep your iPhone connected to Apple Watch and reopen B-KEY Pro on Apple Watch to sync automatically. 3. Are iPhone and Apple Watch keys shared? No.Apple Watch and iPhone are paired and managed independently. Vehicle images and colors can sync automatically. 4. Does it support passive entry and auto lock? iPhone supports: • Passive entry • Passive drive authentication • Walk-away auto lock After rebooting the iPhone, you may need to reopen the app once. Due to watchOS background limitations, Apple Watch may not always support passive features reliably. 5. Why is the speed different from the Tesla screen? B-KEY Pro transfers data over Bluetooth. Because of Bluetooth transmission characteristics and vehicle environment interference, slight differences may occur. 6. What if the Bluetooth module was replaced? If your Tesla Bluetooth module was replaced, you may need to reset the Bluetooth ID in: B-KEY Pro → Vehicle Settings → Reset Bluetooth ID 7. How do I remove a Bluetooth key? Open B-KEY Pro → Vehicle Settings → Remove Key. After removal in the app, also delete the corresponding Bluetooth key from Tesla’s in-car key management screen. 【Support】 Email: bkeyfeedback@gmail.com We welcome your feedback on the App Store.

About

Authenticator App

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
Read full description

TwoAuth is a clean, secure and fully offline authenticator that generates verification codes for two-factor (2FA) and multi-factor (MFA) authentication — a drop-in replacement for Google Authenticator and Microsoft Authenticator. WHY TWOAUTH • Fully offline: no sign-up, no servers, ever • Keys stay private: secrets are stored only in the local system Keychain and never uploaded • Zero data collection: no ads, no analytics, no third-party SDKs • Standards-based: a faithful implementation of RFC 4226 (HOTP) and RFC 6238 (TOTP), compatible with every website, enterprise system and service that supports two-factor or multi-factor authentication MOVE IN SECONDS • Scan the "Transfer accounts" QR codes from Google Authenticator to import everything at once • Add accounts by scanning a website QR code, reading a QR code from your photo library, or entering the secret key manually BUILT FOR SPEED • All codes on one screen, refreshed at the same instant • Codes flash red for the final 5 seconds, with the next code previewed and ready to copy • Tap a card to copy; pin favorites to the top • Brand logos for well-known services help you find accounts at a glance, with manual icon override BACKUP & TRANSFER • Bulk export as migration QR codes (Google Authenticator compatible) • Bulk export as a JSON file • Export any single account as a standard otpauth QR code THE DETAILS • Light / dark themes — follow the system or set your own • English, Simplified Chinese and Traditional Chinese • SHA1 / SHA256 / SHA512, 6–8 digit codes, custom periods and counters IMPORTANT Before deleting an account, disable two-factor authentication on the website or switch to another authenticator first, or you may be locked out.

Screenshots

B4 screens
Authenticator App4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

B ships an update weekly, Authenticator App every 4 days. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
B versus Authenticator App: the parameters behind the verdict, then further details
ParameterBAuthenticator App
PriceFreeFree
Rating3.0 (2 ratings)5.0 (1 ratings) — better
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings2 — better1
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS18.016.0 — better
Further details — not scored
Size54 MB3 MB
Age rating4+4+
Developer钰钢 王Hangzhou JoyTime Technology Co., Ltd.

Customer experience

B

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Authenticator App

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

B

Subscriptions3
  • Monthly Subscription7 Days trial$3.991 Month
  • 6-Month Subscription7 Days trial$14.996 Months
  • Annual Subscription7 Days trial$29.991 Year
One-time1
  • One-time Purchase$69.99
None

Authenticator App

No in-app purchases

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 September 29, 2026.

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