Smart Car Key vs Lime Supply
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Car Key
Transform your smartphone into a digital car key. Control your vehicle's locks, ignition, and trunk remotely. Share access with others and track your last parked location for ultimate convenience and security.
- Smartphone as car key
- Remote lock/unlock
- Remote start/stop engine
- Unlock trunk
- Last parked location tracking
- Car sharing with time limits
- Fleet management features
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Once you download the SmartCarKey app to your smartphone and pair the phone to a device installed in your car, the smartphone becomes your car key. For the ultimate connected-car experience, our device, app, and sleek, modern dashboard give you fingertip control of the following features: - Lock/ Unlock - Start/ Stop - Remote start - Unlock Trunk - Last parked location - Auto security - Engine deactivate - Car sharing Your car can now become smart... and use a digital car key!!! Using Bluetooth technology to wirelessly send data to the car, drivers also have the option to turn on the auto-lock/unlock and the auto start/stop option and won’t even need to remove the phone from their bag or pocket to start the car. Once the driver is within range the door automatically unlocks and then the vehicle automatically starts, just put it into gear, and away you go. Forgot whether you locked your car? No problem! The auto security feature automatically locks the car for you when you move a certain distance away from the car ensuring your car is always secure Another great feature of SmartCarKey is the ‘last parked location’. This feature allows you to use the map on your phone to locate where you parked the car last and allows you to navigate to it quickly and easily. Never lose your car again. Owners can share the Smart Key to family and friends via the app from anywhere in the world allowing them to use the car. The owner can also include time limits on how long the users can operate the vehicle. Fleet owners can also use smartcarkey to their advantage. Our sharing platform allows operators to send out multiple digital keys to multiple drivers for designated time slots and also set time limits ensuring maximum utilization of the fleet. Follow these three steps to get your car converted to use a smart digital key 1. Download the SmartCarKey App 2. Get the SmartCarKey device installed in your vehicle 3. Set up your account, leave your keys at home and start using a digital car key. You don't have to have the latest car to have the latest technology!!!!!
Lime Supply
This app allows users to complete various tasks to earn money by supporting the operations of a large shared electric vehicle company. It's designed for individuals looking to contribute to a carbon-free transportation future.
- Complete operational tasks
- Earn money for contributions
- Support shared electric vehicles
- Contribute to carbon-free transport
- User-friendly interface
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Lime's mission is to build a future where transportation is shared, affordable and carbon-free. Use the Lime Supply app to join and help power the operations of the world's largest shared electric vehicle company. Use the Lime Supply App to complete various tasks and earn money.
Screenshots
Verdict
The clearest difference is update cadence: Lime Supply at fortnightly against Smart Car Key's every 8 months. Lime Supply also leads on ratings volume (89 vs 7). Smart Car Key's advantage is review sentiment (33% vs 13%) and iOS requirement (13.0 vs 15.6). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 2.6 for Smart Car Key against 2.7 for Lime Supply. That said, the two scores are not equally well evidenced: Lime Supply has 89 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 33% of Smart Car Key's written reviews are positive against 13% of Lime Supply's.
Smart Car Key ships an update every 8 months, Lime Supply fortnightly. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | Smart Car Key | Lime Supply |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (7 ratings) | 2.7 (89 ratings) — better |
| Positive reviews | 33.3% of reviews — better | 12.5% of reviews |
| Number of ratings | 7 | 89 — better |
| Update frequency | Every 8 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 74 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Smart Car Key | Neutron Holdings. Inc. |
Customer experience
Smart Car Key
Lime Supply
Bugs and requests
Smart Car Key
Not enough reviews yet to summarise bugs or requests.
Lime Supply
Reported bugs
20 issues- Tasks sometimes not showing or not showing all
- Phone number in use but can't login
- Section to fix payout info leads to 404 error
- App didn't let me log in
- Last photo option glitches
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- Takes 30-40 seconds to scan bikes
- Zooming in makes all vehicles disappear
- When zooming into the map, tasks disappear
- App doesn't work
- Tasks disappear when zooming in
- Scooter location disappears when zooming in
- Zoomed out of map shows vehicles, zoom in makes them disappear
- App shows no tasks when zoomed in
- Tasks re-appear when zoomed out
- App says 'account not found'
- App says 'sign up failed - region missing'
- App says 'account is not approved'
- App doesn't show tasks for months
- App stops showing tasks when zoomed in
- Old scooter data still showing
Requested features
11 requests- Add location for tasks completed
- Fix last photo tab
- Fix 'last photo' option
- Make app more fluid
- Improve scanning speed for bikes
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- Fix zoom issue where vehicles disappear
- Fix zoom making tasks disappear
- Fix tasks disappearing when zooming in
- Fix real-time results tracking
- Remove scooters that have been picked up showing
- Update app to remove old scooter data
In-app purchases
Smart Car Key
No in-app purchases
Lime Supply
No in-app purchases
