Comparison

DVRplus vs Kalliope Phone

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

Head to head

About

DVRplus

This app uses augmented reality to enhance industrial safety. It provides real-time visual information and guidance for workers in industrial environments, improving operational efficiency and safety protocols.

Highlights

Augmented reality for industrial safety
Real-time visual information
Worker guidance
Improved operational efficiency
Enhanced safety protocols

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DVRPlus La realtà aumentata per la sicurezza industriale

About

Kalliope Phone

Features

Read full description

Kalliope Phone è l’App che ti consente di avere Kalliope sempre con te. Goditi la libertà di lavorare in mobilità rimanendo connesso a Kalliope dal tuo dispositivo mobile: puoi effettuare chiamate vocali aziendali tramite la connessione Internet, riducendo i costi delle chiamate e migliorando l'efficienza delle comunicazioni aziendali. Caratteristiche principali Chiamate Utilizzando la tecnologia VoIP avanzata, Kalliope Phone ti consente di ricevere ed effettuare chiamate utilizzando il tuo interno aziendale, indipendentemente dalla tua posizione geografica. Gestione dei contatti semplificata Sincronizza i tuoi contatti con Kalliope Phone e accedi rapidamente a tutti i tuoi numeri di telefono, compresi i numeri interni dei tuoi colleghi, in maniera semplice e intuitiva. Trasferimento e unione chiamate Reindirizza ed estendi le chiamate ai tuoi contatti, per garantire una comunicazione fluida e senza interruzioni. Disponibile su dispositivi iOS Kalliope Phone ti consente di effettuare chiamate ovunque tu sia, direttamente dal tuo smartphone. Per un corretto funzionamento controllare i requisiti e gli step di configurazione sul Wiki di Kalliope: LINK a https://wiki.kalliope.com/it/latest/Kalliope%20Applications.html#kalliopephone-mobile ************************ Prodotto disponibile solo se associato a un centralino VoIP KalliopePBX® V4. Versione minima firmware: 4.15.6 È richiesta una licenza Kalliope Phone. ************************

Screenshots

DVRplus3 screens

Kalliope Phone4 screens

Verdict

The call

The clearest difference is update cadence: Kalliope Phone at every 3 months against DVRplus's every 14 months. DVRplus's advantage is iOS requirement (11.0 vs 15.6). On price, ads, 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.

UpkeepUpdate frequency

DVRplus ships an update every 14 months, Kalliope Phone every 3 months. The most recent releases landed on June 4, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 6 level

DVRplus versus Kalliope Phone: the parameters behind the verdict, then further details
Parameter	DVRplus	Kalliope Phone
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 14 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	11.0 — better	15.6
Further details — not scored
Size	159 MB	55 MB
Age rating	4+	4+
Developer	UNIVERSITA' DEGLI STUDI DI NAPOLI FEDERICO II	Kalliope srl

In-app purchases

None

DVRplus

No in-app purchases

None

Kalliope Phone

No in-app purchases

Questions

Is DVRplus free?

DVRplus is free to download, with no in-app purchases.

Is Kalliope Phone free?

Kalliope Phone is free to download, with no in-app purchases.

Do DVRplus or Kalliope Phone have ads?

Neither DVRplus nor Kalliope Phone shows ads.

Which is updated more often, DVRplus or Kalliope Phone?

DVRplus ships an update every 14 months, and Kalliope Phone every 3 months. Most recently, DVRplus was updated on June 4, 2026 and Kalliope Phone on September 10, 2026.