Comparison

Mini4WD vs Kep1er Light Stick

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

Head to head
About

Mini4WD

This app uses your device's camera to automatically time Mini 4WD races. It can track lap times, fastest times, and average times, with manual measurement options available. Customize settings like passing sounds, vibration, and course length for an optimized racing experience.

Highlights
  • Automatic lap timing with camera detection
  • Manual measurement option
  • Records fastest and average times
  • Customizable passing sound and vibration
  • Adjustable number of lanes and laps
  • Course length setting for speed calculation
  • Share race results via Twitter, memo, or email
Read full description

It is a timer application that can measure the lap time, fastest time, average time of Mini 4WD with the camera. Manual measurement is also possible. [How to use] 0. From the setting menu, you can set the passing sound, vibration, number of lanes, number of measurement laps, course length, detection sensitivity, unit, etc. 1. Select the number of lanes. If you are not sure, please select 1 lane. 2. Set the number of measurement laps. Measurement will end automatically at the specified number of times. 3. Set the course length. It is used for speed calculation. Even if it is not set, it does not affect the measurement. 4. Secure the device so that the selected lane and course match. Even if it deviates a little, there is no problem as long as it fits within the range where the Mini 4WD can pass. 5. Tap the screen and wait for the Mini 4WD to pass first. 6. Run the Mini 4WD. 7. When the specified number of measurements is taken, the measurement is completed. You can see records from the button at the bottom left. Records can be transferred to twitter, memo app, or email with the Share button. * Long Press to interrupt the measurement and return to the TOP screen. * Manual measurement is possible with the button at the bottom right. It can be used for simple measurement from outside the course. * Detection method The passage judgment of Mini 4WD is regarded as detection when the average brightness of the shooting frame pixels of the camera exceeds the set sensitivity. When the sensitivity is 85, it is detected that the average brightness before and after the frame changes by 15%, When the sensitivity is 90, it is detected that the average brightness before and after the frame changes by 10%, When the sensitivity is 60, it is detected when the average brightness before and after the frame changes by 40%. If you fix the device, the accuracy will increase. Even if the camera shakes without fixing, it will not be erroneously detected unless the brightness changes significantly.

About

Kep1er Light Stick

Control your official light stick for concerts and events. Sync it with your seat information for synchronized light performances or customize colors in self-mode. Check battery levels and ensure a seamless fan experience.

Highlights
  • Concert mode for synchronized performances
  • Bluetooth pairing with smartphone
  • Self mode for custom color changes
  • Battery level check
  • Seat information input for concerts
  • QR/barcode scanning
Features
Read full description

[MAIN FEATURES] 1. CONCERT MODE Pair your light stick with your concert seat information to enjoy various light stick performance during the concert. This menu will only be available during the concert period. 2. CONNECTING TO BLUETOOTH ON YOUR SMARTPHONE Press the button on the light stick for 3 seconds to set up the “Bluetooth mode”. Turn on the Bluetooth function of your smartphone and hold your smartphone close to the light stick to sync them together. Some smartphones require the GPS function to be turned on to enable Bluetooth connectivity. If you cannot connect to Bluetooth, please turn on the GPS function. 3. SELF MODE When your light stick is successfully connected to your smartphone, changing the color on the color wheel of the app will change your light stick color accordingly. 4. BATTERY LEVEL CHECK In the “SELF MODE” page of the app, click the “Check Battery Status” button at the bottom of the screen to check the battery level of your light stick and replace the battery if needed. ※ This function may differ depending on battery performance and smartphone model. [NOTICE BEFORE CONCERT] - Check the seat information on your ticket before the concert and enter it into your light stick using the app. - To take part in the light stick performance, be sure to set the light stick to “Concert mode” by pressing its button for 3 seconds after pairing it with your seat information on the app. - If the light stick’s wireless performance does not work properly, it may be due to unsuccessful pairing or not completing the pairing process. Please complete the pairing process using the app. - Please be seated in the same seat you registered for your light stick. Moving to another seat may result in different light stick performance. - Check the battery level of your light stick in advance to ensure battery sufficiency during the concert. - There will be a Wireless Control Fanlight Support Center located at the venue. [REQUIRED ACCESS] To use the app and the light stick, the following accesses are required. ※ To grant access, please tap the [Allow] button when the pop-up appears. - DEVICE STORAGE: To store the QR/barcode, seat information, etc. - PHONE: To read the phone status and its identity - CAMERA: To read the QR/barcode - GPS: To connect to Bluetooth - BLUETOOTH: To connect the light stick

Screenshots

Mini4WD4 screens
Kep1er Light Stick4 screens

Verdict

The call

The clearest difference is rating: Kep1er Light Stick at 4.5 against Mini4WD's 4.0. Kep1er Light Stick also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Kep1er Light Stick holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

Mini4WD ships an update every 2 months, Kep1er Light Stick every 4 days. Both last shipped on November 3, 2026.

Scorecard6 real differences · 3 level
Mini4WD versus Kep1er Light Stick: the parameters behind the verdict, then further details
ParameterMini4WDKep1er Light Stick
PriceFreeFree
Rating4.0 (1 ratings)4.5 (4 ratings) — better
Number of ratings14 — better
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size29 MB58 MB
Age rating4+4+
DeveloperKatsuyoshi KonnoFANLIGHT Co., Ltd

Customer experience

Mini4WD

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Kep1er Light Stick

All ratings4 ratings
Positive75.0%
Neutral25.0%
Negative0.0%

In-app purchases

None

Mini4WD

No in-app purchases

None

Kep1er Light Stick

No in-app purchases

Questions

Is Mini4WD free?
Mini4WD is free to download, with no in-app purchases.
Is Kep1er Light Stick free?
Kep1er Light Stick is free to download, with no in-app purchases.
Which has better reviews, Mini4WD or Kep1er Light Stick?
Kep1er Light Stick is rated higher. Mini4WD averages 4.0 out of 5 from 1 ratings, while Kep1er Light Stick averages 4.5 from 4 ratings.
Do Mini4WD or Kep1er Light Stick have ads?
Mini4WD shows ads; Kep1er Light Stick does not.
Which is updated more often, Mini4WD or Kep1er Light Stick?
Mini4WD ships an update every 2 months, and Kep1er Light Stick every 4 days. Most recently, Mini4WD was updated on November 3, 2026 and Kep1er Light Stick on November 3, 2026.

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