Comparison

D vs Blu Card

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

Head to head
About

D

Features
Read full description

The D-Air Lab D-Alert App is a reference for managing alarms in case of an emergency. It can be combined with D-Air Lab protection products, or it can be used alone to receive assistance from selected recipients in case of necessity, such as falls, illnesses, accidents and aggressions. Main features of the App aree: • Easy to use: Autonomous operation for an intuitive experience, especially in emergency situation. • Minimal Setup: Simple setup required to get started. • BLE: Interaction with external D-Air Lab devices via BLE. • Product management: Adaptation to the specific characteristics of the various compatible D-Air Lab products and configuration possibilities. • Multi User: Automatic involvement of multiple recipients in case of emergency to guarantee maximum assistance. • Reliable Communication: Multi-level communications to be able to contact recipients even in difficult situations. • Multiple Communication Channels: Messages, audio and video in real time for complete and effective interaction with recipients in case of need. • Localization and Live Tracking: Sharing your location in real time and in case of emergency. • Alarms from External Devices: Activation of alarms by external protection devices of the D-Air Lab catalogue. • Emergency Button: Activation of alarms directly from the App using the dedicated emergency button. The App must always be active in background for maximum responsivity. The connection with external devices is automatic and reliable. The user and authorized recipients are constantly informed about the operational status of the system and connected products. Emergency communication is reliable and includes data channels and SMS. Notifications require confirmations from selected recipients in order to improve communication security in all situations. The user location is constantly detected: in case of emergency, the live tracking feature provides location updates to authorized recipients. The user can also activate continuous live tracking for a selected time period. Location sharing is visible directly on a map or through periodic SMSes to authorized recipients. The user configures access permissions and grants remote access. Alarms activate both a real-time video call to the selected recipients and an informative SMS. Alarms can be activated via a "panic button" or from compatible D-Air Lab products connected through BLE. The App includes a siren-like ringtone. Alarm termination requires a secure procedure or can be remotely set by recipients. The user can always change the App settings and change the selected recipient contacts in case of emergencies.

About

Blu Card

Features
Read full description

Blu Card è l'applicazione perfetta per autisti e gestori delle stazioni di servizio, progettata per facilitare le loro operazioni e gestire i servizi inclusi nella Blu Card. Grazie ad un'interfaccia intuitiva ed integrata, Blu Card è uno strumento funzionale per ottimizzare le tue tratte, monitorare la tua flotta e gestire le prenotazioni presenti nel tuo punto vendita. Nello specifico, potrai sfruttare al meglio le seguenti funzionalità: Per gli autisti: • Mappa delle stazioni: visualizzazione di una mappa sempre aggiornata, che ti permetterà di raggiungere gli impianti più strategici per te. • Prenotazione facilitata dei servizi disponibili per il tuo mezzo • Aggiornamenti in tempo reale relativi al circuito Blu Card • Possibilità di lasciare feedback relativi ai rifornimenti e ai servizi di cui hai usufruito Per i gestori delle stazioni di servizio: • Gestione ottimale delle prenotazioni effettuate dagli autisti • Area news dedicata Blu Card ti permetterà di accedere a tutti i servizi inclusi nella Blu Card, diventando un partner ideale per gestire il tuo lavoro in maniera efficiente e pratica. Unisciti a noi!

Screenshots

D4 screens
Blu Card3 screens

Verdict

The call

The clearest difference is in-app purchases: Blu Card at none against D's 3. Blu Card also leads on ads (none vs shown). On price, update cadence, device support 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. D sells 3 one-off in-app purchases. Blu Card asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 4 level
D versus Blu Card: the parameters behind the verdict, then further details
ParameterDBlu Card
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.514.0.0 — better
Further details — not scored
Size109 MB59 MB
Age rating17+17+
DeveloperDAIR LAB SRLFIXR SAS DI ARDUINO ANDREA E C.

In-app purchases

3 purchases

D

One-time3
  • 100 Min Package$2.99
  • 300 Min Package$4.99
  • 500 Min Package$6.99
None

Blu Card

No in-app purchases

Questions

Is D free?
D is free to download, with in-app purchases available.
Is Blu Card free?
Blu Card is free to download, with no in-app purchases.
Do D or Blu Card have ads?
D shows ads; Blu Card does not.
Which is updated more often, D or Blu Card?
D ships an update every 3 months, and Blu Card every 3 months. Most recently, D was updated on October 3, 2026 and Blu Card on October 11, 2026.

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