Comparison

Drive One vs i

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

Head to head
About

Drive One

Receive real-time alerts for traffic hazards and speed cameras. This app works with a physical device to provide precise, user-generated and partner data for safe travel. Configure alert types, sounds, and notification zones to suit your needs.

Highlights
  • Real-time hazard alerts
  • Speed camera notifications
  • User-generated data
  • Partner data integration
  • Configurable alert settings
  • Bluetooth audio output
Features
Read full description

Drive One is the official app for your Drive One Traffic Alarm. World-class alerts / Travel without having to worry about hazards and speeding tickets Drive One will alert you when there is danger or speed cameras ahead. With a Drive One installed in your car, you can easily and comfortably stay updated in traffic - and alert other users with a simple push of a button. Drive One is precise and user friendly and no subscription is needed. Always updated Drive One alerts are based on inputs from users and real time data from both domestic and international partners. In other words, Drive One provides an accurate and up to date picture of traffic - and therefore its alert are very precise. No subscription Drive One is free to use - you only pay the initial purchase price. Not only do you avoid paying monthly subscription fees, you also do not have to depend on your fellow users being willing to use a subscription service. User friendly and full of features Drive One is easy to operate and install. With just two buttons, two colours and two sounds, you will have no trouble figuring out what the alert is about when driving in traffic. It is of course also easy to share alerts with your fellow users when driving. One push of a button. That’s all it takes. In the app, you can also configure and optimise your Drive One so that it matches your needs. For example, you can choose to be notified of alerts both in front of you and behind you and you can select what kind of alerts you want to receive. You can also decide if you want the sounds to come from the device, your phone or via Bluetooth and you can decide when you want to be alerted. Checked and double-checked Drive One is based on reliable data received from our users, partners and other sources. We are the only ones on the market who monitor, sort and assess user reports - this prevents an accidental push of a button from turning into an instant speed trap alert. You can therefore rely on Drive One. Part of a community Drive One is based on data from other users and the real time data from more than five million users throughout Europe is enough to give an accurate representation of the road network. Uncompromising in its design Drive One is not an eye sore in your car. It has been created by the Danish designer John Sebastian and the device follows a design tradition where functionality and a minimalistic expression merge into a greater whole. How to get started: Open the app, and follow the instructions - then you will very easily have connected your Drive One device to your phone and you are ready to go Terms and conditions: https://driveone.eu/pages/terms Privacy Policy: https://driveone.eu/pages/privacy-policy

About

i

Manage your vehicle registration documents digitally and securely. View, update, and share your registration certificate from your device, reducing paperwork and providing easy access to important vehicle data.

Highlights
  • Digital vehicle registration document (DFZ)
  • Add DFZ via eID or QR code
  • Automatic updates and inspection reminders
  • Share registration documents securely
  • View vehicle data offline
  • Delete DFZ and shared versions
Read full description

The digital vehicle registration document (DFZ) is a digital version of the vehicle registration certificate that can be used in the i-Kfz app on your device. With the i-Kfz app, vehicle owners can view, update and, if necessary, share their vehicle registration document (Zulassungsbescheinigung Teil I (ZB I)) anytime, anywhere. This facilitates access to important vehicle data and reduces the amount of paperwork required. The app also offers a secure and user-friendly way to manage vehicle registration certificates digitally. App functions: ADD: Vehicle owners can have a DFZ issued either using the eID function or by scanning a QR code in the app. There are several options for obtaining a QR code: QR codes are provided both on site, during the registration process or on request, as well as when registering online. UPDATE: The validity and current status of the digital vehicle registration document are automatically checked when the app is opened. The i-Kfz app also offers automatic updates, such as reminders of upcoming periodic technical inspections. SHARE: With just a few clicks, the vehicle owner can generate any number of shared versions of a DFZ and share them with third parties via link or QR code for permanent or temporary use. VIEW: With the help of a user-friendly display, you can view your vehicle and owner data at any time, even without an internet connection, and present it during a traffic check or periodic technical inspections, for example. DELETE: You can delete the DFZ and its shared versions in the app yourself. The i-Kfz app is constantly being developed. We welcome feedback in the store or in the app. If you have any questions or suggestions, our support team will be happy to assist you: i-Kfz@support.bdr.de Privacy policy: http://www.kba.de/app-dse_en Accessibility statement: http://www.kba.de/app-bfe-ios_en End User Licence Agreement (EULA): http://www.kba.de/app-eula_en

Screenshots

Drive One4 screens
i4 screens

Verdict

The call

The clearest difference is rating: i at 5.0 against Drive One's 4.2. i also leads on review sentiment (100% vs 72%). Drive One's advantage is update cadence (every 5 weeks vs every 4 months) and iOS requirement (15.0 vs 17.0). On price, ratings volume, 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

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

i holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 72% of Drive One's written reviews are positive against 100% of i's.

UpkeepUpdate frequency

Drive One ships an update every 5 weeks, i every 4 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Drive One versus i: the parameters behind the verdict, then further details
ParameterDrive Onei
PriceFreeFree
Rating4.2 (6 ratings)5.0 (3 ratings) — better
Positive reviews71.7% of reviews100.0% of reviews — better
Number of ratings6 — better3
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size118 MB67 MB
Age rating4+4+
DeveloperNeedit ApSKraftfahrt-Bundesamt

Customer experience

Drive One

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews53 reviews
Positive71.7%
Neutral13.2%
Negative15.1%

i

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews22 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Drive One

No in-app purchases

None

i

No in-app purchases

Questions

Is Drive One free?
Drive One is free to download, with no in-app purchases.
Is i free?
i is free to download, with no in-app purchases.
Which has better reviews, Drive One or i?
i is rated higher. Drive One averages 4.2 out of 5 from 6 ratings, while i averages 5.0 from 3 ratings.
Do Drive One or i have ads?
Neither Drive One nor i shows ads.
Which is updated more often, Drive One or i?
Drive One ships an update every 5 weeks, and i every 4 months. Most recently, Drive One was updated on October 27, 2026 and i on October 28, 2026.

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