K1くんBIG vs CTRONICS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Head to head
About
K1くんBIG
Features
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K1-kun BIG is a handy terminal for restaurants. If you want to operate an actual order, please use it in conjunction with K1kun(for Windows App).
About
CTRONICS
Stream live video from your camera and capture still images directly from the feed. Remotely control your camera's functions for a seamless viewing and recording experience.
Highlights
- Watch online video
- Catch photos on video
- Control the camera
Features
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1.watch the on line video 2.catch the photo on video 3.control the camera
Screenshots
CTRONICS4 screens
Verdict
The call
The clearest difference is update cadence: CTRONICS at every 6 weeks against K1くんBIG's every 15 months. CTRONICS also leads on device support (3 vs 1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
UpkeepUpdate frequency
K1くんBIG ships an update every 15 months, CTRONICS every 6 weeks. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.
Scorecard2 real differences · 8 level
| Parameter | K1くんBIG | CTRONICS |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.6 (60 ratings) — better |
| Positive reviews | — | 36.8% of reviews |
| Number of ratings | — | 60 — better |
| Update frequency | Every 15 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | 株式会社アプリラボ | SHENZHEN C-TRONICS CO., LIMITED |
Bugs and requests
K1くんBIG
Not enough reviews yet to summarise bugs or requests.
CTRONICS
Reported bugs
67 issues- Video seems to be inverted
- Turning iPad does the opposite in landscape
- App in portrait but wrong way round
- Video is landscape but upside down in portrait
- None of the 8 cameras show video in playback
Show 62 moreShow fewer
- Downloaded videos still don't play
- App no longer works with modern authentication
- Device have many faults
- Motion sense all over the place
- Highlight an area & it motion senses the whole screen
- Smart humanoid detection doesn't work
- Notifications don't work
- App not talking to the cameras
- Won't let me erase SD card data
- Video stays vertical when mirroring iPhone to TV
- App doesn't actually turn horizontal
- App works well if you have set it up correctly
- Since iOS 15 update, no more notifications
- Cannot connect, stopped working
- Stuck loading
- View is sideways on Macbook or iPad
- Video stays vertical and doesn’t change to horizontal
- App doesn’t actually turn horizontal
- Network anomalies after connecting to live camera
- Only watch few hours back video
- More than 6 hours old videos do not play or download
- Camera stopped responding
- Camera simply does not wake up
- Camera doesn’t connect to WIFI anymore
- Notifications stopped working after upgrade to IOS 15.2.1
- CCTV system has stopped working after uploading version 15.0.2
- System will load but no CCTV coverage
- Night video doesn’t work
- Alarm recording time is shorter
- Human recognition sensing records in blocks of 14 seconds
- Email settings not an option for all camera models
- Very difficult to connect
- Unable to share to another device or person
- First device did not work anymore after connecting to second device
- Camera was easy to configure alongside the app
- Can't watch none of the video captured on my motion detector online
- Simply will not connect from the app to the camera
- Keep having to reset both cameras and go through setup again every day or so
- App needs some changes
- App takes forever to receive any feedback
- App is too slow and frequently freezing
- Constant notification sounds
- Constant False notifications with no screen message
- Disable CTRONICS app stops false notifications
- Camera keeps dropping out about every 4-6 hrs
- After 1 week can't connect at all
- App was good but after the last update it takes more than twice as long to get the cameras online
- Camera seems to have a bad connection to router
- Sometimes it takes a time to load
- The app no longer sends notifications
- Barely works anymore
- App can’t find the camera
- After 13.5 update I have no push notifications
- Alarm and motion sensor notification doesn’t work
- Has to be very close to the modem, otherwise won’t connect
- New version has cam stuck in auto pan
- No control
- Application lente et bug souvent
- Always needing to be reset
- App doesn’t work anymore
- Crashing on iPhone 10 X
- Will not load on the iPhone 10X
Requested features
27 requests- Provide a video on YouTube for internet connection
- Add a feature to select all videos at once
- Improve video quality settings
- Allow longer recording times for motion triggers
- Add ability to set alarm off from live view
Show 22 moreShow fewer
- Provide a version for Apple Watch
- Make email settings available for all camera models
- Add custom alarm sound for iPhone
- Add arrows for continuous camera turning
- Improve motion detection accuracy
- Add smart humanoid detection improvements
- Allow for 24/7 recording
- Improve notification system
- Add ability to erase SD card data
- Fix video orientation issues on AirPlay
- Fix video orientation issues on Mac/iPad
- Allow users to download older videos
- Enable camera to change Wi-Fi without reset
- Allow sharing to another device or person
- Improve app speed and responsiveness
- Add option to select all videos for deletion
- Provide a DVD or website for setup instructions
- Add more seconds to motion alarm recordings
- Allow faster loading of cameras
- Add a button to set alarm off from live view
- Add a feature to download camera after deleting it
- Allow watching recorded videos at sped-up speeds
In-app purchases
None
K1くんBIG
No in-app purchases
None
CTRONICS
No in-app purchases
Questions
Is K1くんBIG free?
K1くんBIG is free to download, with no in-app purchases.
Is CTRONICS free?
CTRONICS is free to download, with no in-app purchases.
Do K1くんBIG or CTRONICS have ads?
Neither K1くんBIG nor CTRONICS shows ads.
Which is updated more often, K1くんBIG or CTRONICS?
K1くんBIG ships an update every 15 months, and CTRONICS every 6 weeks. Most recently, K1くんBIG was updated on September 27, 2026 and CTRONICS on September 30, 2026.
