Comparison

Key for Tesla 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

Key for Tesla

This app allows you to use your phone as a key for compatible Tesla vehicles. It offers a secure Bluetooth connection without requiring Tesla ID login, supporting multiple vehicles.

Highlights
  • Bluetooth car key functionality
  • No Tesla ID login needed
  • Supports Model 3, Y, S, X (post-2021)
  • Bind multiple vehicles
  • Secure connection
Features
Read full description

When you find this app, congratulations, because you are about to or already have a great new energy car! Together with Tesla, let's accelerate the world's transition to sustainable energy! 【 Product Introduction 】 Model 3, Model Y, and Model S and Model X after 2021 are supported 【 Product Features 】 1. Bluetooth connection, no Tesla ID, no login registration, no security concerns. 2. Support for Model 3, Model Y, and Model S and Model X after 2021. 3. The app side can bind multiple Tesla vehicles.

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

Key for Tesla4 screens
Authenticator App4 screens

Verdict

The call

The clearest difference is price: Authenticator App at Free against Key for Tesla's $3.99. Authenticator App also leads on rating (5.0 vs 3.3) and review sentiment (100% vs 69%). Key for Tesla's advantage is ratings volume (12 vs 1) and iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support 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

Authenticator App is free to download; Key for Tesla costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Authenticator App holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Key for Tesla has 12 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 69% of Key for Tesla's written reviews are positive against 100% of Authenticator App's.

UpkeepUpdate frequency

Key for Tesla ships an update every 3 months, Authenticator App every 5 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

Scorecard7 real differences · 3 level
Key for Tesla versus Authenticator App: the parameters behind the verdict, then further details
ParameterKey for TeslaAuthenticator App
Price$3.99Free — better
Rating3.3 (12 ratings)5.0 (1 ratings) — better
Positive reviews68.6% of reviews100.0% of reviews — better
Number of ratings12 — better1
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, Mac
Requires iOS13.0 — better16.0
Further details — not scored
Size37 MB3 MB
Age rating4+4+
DeveloperShanghai Jiyou Network Technology Company LimitedHangzhou JoyTime Technology Co., Ltd.

Customer experience

Key for Tesla

All ratings12 ratings
Positive58.3%
Neutral0.0%
Negative41.7%
Written reviews35 reviews
Positive68.6%
Neutral5.7%
Negative25.7%

Authenticator App

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

In-app purchases

None

Key for Tesla

No in-app purchases

None

Authenticator App

No in-app purchases

Questions

Is Key for Tesla free?
Key for Tesla costs $3.99, with no in-app purchases.
Is Authenticator App free?
Authenticator App is free to download, with no in-app purchases.
Which has better reviews, Key for Tesla or Authenticator App?
Authenticator App is rated higher. Key for Tesla averages 3.3 out of 5 from 12 ratings, while Authenticator App averages 5.0 from 1 ratings.
Do Key for Tesla or Authenticator App have ads?
Neither Key for Tesla nor Authenticator App shows ads.
Which is updated more often, Key for Tesla or Authenticator App?
Key for Tesla ships an update every 3 months, and Authenticator App every 5 days. Most recently, Key for Tesla was updated on November 8, 2026 and Authenticator App on November 6, 2026.

Other comparisons