GRASEN vs TesDisplay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GRASEN
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GRASEN is an application developed for electric vehicle users, which provides map query, navigation, online payment, remote start/stop charging, order query, station collection, booking charging and other functions to help users effectively manage electric vehicle charging network and provide convenience for users to travel. Welcome to download and use!
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: GRASEN at none against TesDisplay's 1. GRASEN also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads 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
Both are free to download. TesDisplay sells 1 one-off in-app purchase. GRASEN asks for nothing beyond the download.
GRASEN ships an update monthly, TesDisplay every 2 months. The most recent releases landed on May 14, 2026 and July 28, 2026 respectively.
| Parameter | GRASEN | TesDisplay |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.4 (46 ratings) — better |
| Positive reviews | — | 24.1% of reviews |
| Number of ratings | — | 46 — better |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 61 MB | 23 MB |
| Age rating | 17+ | 4+ |
| Developer | Luoyang Grasen Power Technology Co.,Ltd. | TCool LTD. |
In-app purchases
GRASEN
No in-app purchases
TesDisplay
- TesDisplay Pro$4.99
Questions
Is GRASEN free?
Is TesDisplay free?
Do GRASEN or TesDisplay have ads?
Which is updated more often, GRASEN or TesDisplay?
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