KopieID vs Calex Smart
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KopieID
Create secure copies of your identity documents. Mask sensitive information, add a watermark with purpose and date, and then share or save the document. Ensures only necessary data is visible to recipients.
- Photograph identity documents
- Cross out irrelevant information
- Add purpose and date watermark
- Send, print, or save copies
- Automatic data crossing out
- Securely saved copies
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- Take a photograph of your identity document. - Cross out information that is not relevant for the recipient. - Enter for whom the copy is intended and for what purpose the copy is required. This text is superimposed with the date on the copy, as a watermark. - You can then send, print or save the copy for subsequent use. You can only store the copy if your telephone or tablet is password protected. What rules apply to the use of the KopieID-app? Definitions App An application that can be used on a mobile telephone or other portable device. Identity document The KopieID app recognises the following Dutch identity documents and documents of Bonaire, St. Eustatius and Saba (BES): - Dutch ID card - National passport - Dutch driving licence - Travel documents for refugees - Travel documents for foreign nationals - Residence documents - Foreign nationals documents - Service passport - Diplomatic passport - Facility passport - Business passport - BES driving licence - Sedula – Bonaire – St. Eustatius – Saba National Office for Identity Data (RvIG) RvIG is an implementing organisation that reports to the Ministry of the Interior and Kingdom Relations (BZK). RvIG is the authority and manager for the safe and reliable use of identity data. For more information visit our website. Conditions of use General These conditions of use apply to users of the KopieID-app. By using the app, you agree to these conditions of use. Use of the KopieID-app You may only use the app for non-commercial purposes. You manage supply of provide the app to third parties without receiving prior written permission the National Office for Identity Data (RvIG). You may not disammble the app, decompile the app to its original code of subject the app to reverse engineering. You may not use the app in an improper manner of in a manner that could in any way have negative consequences for RvIG. Availability and functioning For RvIG, it is important that the app functions correctly and can be used by everyone. Nevertheless, we are unable to guarantee that the app will always be available in the future, and will function faultlessly. Automatic crossing out Using the KopieID-app, you can make your own copy of your identity document and select which data the app should automatically cross out. After crossing out selected data and adding a watermark, you can share the copy with third parties or save the copy. Personal responsibility It is up to you to check whether the correct data have been crossed out. Subsequently, you decide for yourself with whom and how you wish to share a copy of your identity document. This is beyond the responsibility of RvIG. RvIG accepts no liability for any damages that may arise from the use of this app. You are personally responsible for the correct use of the app. About the copy A copy is securely saved within the app. The saved copies can be consulted via an access code. It is your personal responsibility to manage the access code and to ensure that it is not shared with anyone else. Saving a copy outside the app is your personal responsibility. Privacy statement RvIG can gather anonymous statistical data about the use of this app. For example how often the app is downloaded each month. This data is only used to improve the app and cannot be derived to an individual. You can withdraw your permission for this data use at any time. Changes to the conditions of use RvIG is entitled to make changes to these conditions of use.
Calex Smart
Control your smart lights and appliances with ease. Automate your devices using smart routines for seamless on/off control. Enjoy plug-and-play installation via WiFi without needing an extra hub.
- Control smart lights and appliances
- Create smart routines
- Plug and Play WiFi installation
- No additional gateway needed
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1. Easily control your smart lights and appliances via the Calex Smart app 2. Use smart routines to switch lights and appliances on and off 3. Plug and Play installation based on WiFi 4. You do not need an additional gateway/Hub
Screenshots
Verdict
The clearest difference is rating: KopieID at 4.6 against Calex Smart's 4.3. Calex Smart's advantage is review sentiment (34% vs 15%). On price, ratings volume, update cadence and ads 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.
KopieID holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 83 and 35 respectively. Written reviews complicate that: 15% of KopieID's written reviews are positive against 34% of Calex Smart's, so the app with the better star average is not the one people write more warmly about.
KopieID ships an update every 3 months, Calex Smart every 2 months. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.
| Parameter | KopieID | Calex Smart |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (83 ratings) — better | 4.3 (35 ratings) |
| Positive reviews | 14.8% of reviews | 33.6% of reviews — better |
| Number of ratings | 83 — better | 35 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 32 MB | 256 MB |
| Age rating | 9+ | 4+ |
| Developer | Rijksoverheid | Electro Cirkel Retail B.V |
Customer experience
KopieID
Calex Smart
Bugs and requests
KopieID
Not enough reviews yet to summarise bugs or requests.
Calex Smart
Reported bugs
52 issues- App crashes when changing color
- App crashes on iPhone
- App keeps crashing or losing connection
- App loses connection for no reason
- Devices go offline and won't reconnect
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- App duplicates automation routines on edit
- Light stops responding, app stops responding
- Smart plug flashing blue and won't reset
- Bulb in disco mode, app refuses to pair
- Lights start flashing sometimes
- App can't find devices
- Scheduled automations don't happen
- Verification code not sent
- Popup about bad signal obstructs settings
- Timer function randomly closes app
- App no longer allows music sync for lights
- App gives non-stop reviews
- Bluetooth connection issues, app hardly recognizes bulbs
- App forgets bulbs after going to home page
- Cannot change warmth of light, stuck on cool white
- Bulb appears offline when away from home
- App refuses to pair
- Unskippable ad to turn off light
- Advertisements every time app is opened
- Device doesn't connect sometimes
- Randomly loses connection and lamp flashes
- App crashes
- Account cannot be verified or network error
- Cannot reset password, account doesn't exist
- Devices keep dropping out and need re-adding
- Bulb goes offline and needs resetting
- Siri integration doesn't work, custom keyword reverts
- Annoying dialog after executing a task
- Bulb keeps going offline and flashing
- Getting alerts outside of scheduled times
- Pairing process is terrible for multiple devices
- Cannot pair all bulbs on a single switch
- App keeps losing connection with the watch
- Apple Watch integration is poor
- Randomly woken up by light turning on/flickering
- App doesn't realize bulb isn't responding
- Bulb doesn't respond to commands
- Update made lights unusable, cannot connect
- Disconnects randomly
- LEDs started flashing and couldn't be turned off
- Have to sign back into room every time
- Half of LED strip fell off
- Doesn't change colors, only dims
- Cannot link lamp
- No option to use as Bluetooth bulb
- App requests location services to add devices
- Old version of Apple widgets used
Requested features
22 requests- Widget support for Home Screen
- Dark mode
- Better Apple HomeKit integration
- Create widgets for iPhone Home Screen
- Integrate with Apple Shortcuts for custom automation
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- Add colour changing cycle to a scene
- Link items together to sync
- Proper control of colour cycling timings
- Sync multiple lights
- Add colour cycle to a scene
- Camera mode to sync lights with TV colors
- Dusk-dawn switching that follows sunset/sunrise
- Lock Screen widget for quick control
- Ability to turn all devices in a room on/off with one touch
- Scenes for entire rooms or home
- Fade up and fade down options
- Chain tasks together (e.g., 'turn off all lights')
- Define sets of colors for tasks
- Preview of color when setting up a task
- Use alternating color for configuration instead of strobing flash
- Add multiple devices at once connecting to the same WLAN
- Fade up and fade down instead of just on and off
In-app purchases
KopieID
No in-app purchases
Calex Smart
No in-app purchases





