Comparison

TesDisplay vs Charge Key

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

Head to head
About

TesDisplay

Mirror your phone screen or cast videos to your Tesla's display. Enjoy navigation apps and entertainment for passengers while driving. Supports various video platforms and local files.

Highlights
  • Mirror phone screen to Tesla
  • Cast video to Tesla
  • Use navigation apps on Tesla screen
  • Play videos from various apps
  • Cast local video files
  • No extra internet traffic
Features
Read full description

TesDisplay can cast video or mirror your phone screen to Tesla's big screen. Key features: 1. Play video for passengers when you are driving 2. Let you use navigation apps such as Waze, Google Map, Here WeGo, MAPS.ME on Tesla's screen 3. Can mirror various video apps, such as Youtube, Youtube Kids, Tiktok, Netflix(only for iPad with cellular), Twitch, DailyMotion, PBS, PBS Kids, TED Talks, Khan Academy, Plex, Rumble, Vimeo, Zeus, etc. for passengers. 4. Cast video files on your phone to Tesla's screen for passengers 5. Cast Youtube, Tiktok, ESPN, TED Talk, CBC, PBS videos to Tesla's screen for passengers 6. No extra internet traffic Those features have been verified on Tesla Model 3, Model Y, Model S(late than March 2018), and Model X(late than March 2018). For vehicles with Tesla MCU1, you can try setting "Decode video by Phone" to get better video quality.

About

Charge Key

This platform allows you to unlock, lock, and start your vehicle remotely. It offers hands-free unlocking upon approach and navigation to your vehicle's location. The app prioritizes user privacy by not storing personal information and receiving data directly from the vehicle.

Highlights
  • Hands-free vehicle unlocking
  • Remote locking and starting
  • Vehicle location navigation
  • Privacy-focused data handling
  • Global accessibility
Features
Read full description

Access and charge your vehicle with Charge Key. Charge Key is a platform designed to easily unlock, lock, and start your vehicle. Setup hands-free unlock to simply approach the vehicle to unlock and begin driving. Don’t remember where your vehicle is? Open Charge Key to navigate to the vehicle’s location. Before your access has expired, verify you have collected all of your belongings! Privacy: • Charge Key does not store information that is linked to you. • Charge Key doesn't need to be open on your phone — data comes directly from the vehicle. • Charge Key works wherever in the world you drive. Charge Key was made by Tesla enthusiasts and is not endorsed by Tesla, Inc in any way. Terms & Conditions: https://www.chargekey.app/terms-conditions Privacy Policy: https://www.chargekey.app/privacy-policy

Screenshots

TesDisplay4 screens
Charge Key3 screens

Verdict

The call

The clearest difference is rating: Charge Key at 3.8 against TesDisplay's 2.5. Charge Key also leads on in-app purchases (none vs 1) and review sentiment (46% vs 26%). TesDisplay's advantage is device support (3 vs 1). On price, ratings volume, ads and iOS requirement 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. TesDisplay sells 1 one-off in-app purchase. Charge Key asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Charge Key holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 47 and 32 respectively. Written reviews point the same way: 26% of TesDisplay's written reviews are positive against 46% of Charge Key's.

UpkeepUpdate frequency

TesDisplay ships an update every 2 months, Charge Key every 3 weeks. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

Scorecard6 real differences · 4 level
TesDisplay versus Charge Key: the parameters behind the verdict, then further details
ParameterTesDisplayCharge Key
PriceFreeFree
Rating2.5 (47 ratings)3.8 (32 ratings) — better
Positive reviews25.8% of reviews46.2% of reviews — better
Number of ratings47 — better32
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better16.0
Further details — not scored
Size23 MB23 MB
Age rating4+17+
DeveloperTCool LTD.ChargeKey, LLC

Customer experience

TesDisplay

All ratings47 ratings
Positive31.9%
Neutral10.6%
Negative57.4%
Written reviews31 reviews
Positive25.8%
Neutral6.5%
Negative67.7%

Charge Key

All ratings32 ratings
Positive68.8%
Neutral0.0%
Negative31.3%
Written reviews13 reviews
Positive46.2%
Neutral0.0%
Negative53.8%

In-app purchases

1 purchases

TesDisplay

One-time1
  • TesDisplay Pro$4.99
None

Charge Key

No in-app purchases

Questions

Is TesDisplay free?
TesDisplay is free to download, with in-app purchases available.
Is Charge Key free?
Charge Key is free to download, with no in-app purchases.
Which has better reviews, TesDisplay or Charge Key?
Charge Key is rated higher. TesDisplay averages 2.5 out of 5 from 47 ratings, while Charge Key averages 3.8 from 32 ratings.
Do TesDisplay or Charge Key have ads?
Neither TesDisplay nor Charge Key shows ads.
Which is updated more often, TesDisplay or Charge Key?
TesDisplay ships an update every 2 months, and Charge Key every 3 weeks. Most recently, TesDisplay was updated on October 15, 2026 and Charge Key on October 1, 2026.

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