Comparison

DUSphone vs INOSOFT

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

Head to head
About

DUSphone

This app provides encrypted, high-definition voice calls for your business line directly from your smartphone. It integrates seamlessly with your device for reliable incoming calls and offers features like caller ID management and multi-account support. Setup is quick and secure via QR code scanning.

Highlights
  • Encrypted calls (TLS/SRTP)
  • HD voice quality (Opus codec)
  • Native call integration (CallKit)
  • Reliable incoming calls (VoIP push)
  • QR code setup
  • Multi-account management
  • Caller ID management
Features
Read full description

dus.net GmbH proudly presents DUSphone – the VoIP softphone for your dus.net line. Make encrypted, HD-quality calls straight from your iPhone: to landlines, mobile numbers, and other dus.net lines. All you need is a dus.net plan – ready in minutes, including a starting balance of €0.45 for your first calls. See the plans at www.dus.net. Your benefits: β€’ Encrypted calling over TLS and SRTP – your conversations stay private β€’ HD voice quality powered by the Opus codec β€’ Native call integration via Apple CallKit – calls appear on your lock screen and in your recents, just like regular calls β€’ Always reachable: incoming calls ring reliably, even when your iPhone is locked or the app is closed (VoIP push) β€’ Call landlines and mobile numbers – and receive calls on your dus.net number β€’ Fast setup by scanning a QR code from the customer center – no password to type β€’ Manage several lines at once (multi-account) β€’ Company directory and device contacts – callers are matched by name β€’ Keep an eye on your prepaid balance in euros at any time β€’ Show or hide your caller ID per call (call anonymously) β€’ In-call DTMF, hold, speaker, Bluetooth, and call history Privacy-friendly: no tracking, no ads. DUSphone is built on open-source software (baresip); the open-source licenses can be viewed in the app. Requirement: DUSphone needs a VoIP line at dus.net. More information at www.dus.net.

About

INOSOFT

Read full description

Die INOSOFT App ist der perfekte Zugang zu allen relevanten Informationen fΓΌr Kunden der INOSOFT AG: Greifen Sie jederzeit und ΓΌberall auf aktuelle Neuigkeiten, Veranstaltungsinformationen oder Produktinformationen zu.

Screenshots

DUSphone4 screens
INOSOFT3 screens

Verdict

The call

The clearest difference is update cadence: DUSphone at weekly against INOSOFT's every 2 months. INOSOFT's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

DUSphone ships an update weekly, INOSOFT every 2 months. The most recent releases landed on November 13, 2026 and November 7, 2026 respectively.

Scorecard2 real differences Β· 6 level
DUSphone versus INOSOFT: the parameters behind the verdict, then further details
ParameterDUSphoneINOSOFT
PriceFreeFree
Positive reviews0.0% of reviewsβ€”
Update frequencyWeekly β€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeβ€”
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.014.0 β€” better
Further details β€” not scored
Size12 MB5 MB
Age rating4+4+
Developerdus.net GmbHINOSOFT AG

In-app purchases

None

DUSphone

No in-app purchases

None

INOSOFT

No in-app purchases

Questions

Is DUSphone free?
DUSphone is free to download, with no in-app purchases.
Is INOSOFT free?
INOSOFT is free to download, with no in-app purchases.
Do DUSphone or INOSOFT have ads?
Neither DUSphone nor INOSOFT shows ads.
Which is updated more often, DUSphone or INOSOFT?
DUSphone ships an update weekly, and INOSOFT every 2 months. Most recently, DUSphone was updated on November 13, 2026 and INOSOFT on November 7, 2026.

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