Comparison

CTERA vs Sheerbit Softphone

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

Head to head
About

CTERA

Access your secure cloud drive files and synchronized shared folders from anywhere. This mobile application connects to a CTERA Portal, offering seamless file management on the go.

Highlights
  • Access cloud drive files
  • Access synchronized shared files
  • Secure cloud connectivity
  • File and folder management
  • Cross-device access
Read full description

CTERA New Mobile app communicates with a CTERA Portal to provide users with secure access to their cloud drives: • Access cloud drive files. • Access synchronised shared files on the cloud drive. Enjoy access to your files and folders from anywhere The CTERA Team.

About

Sheerbit Softphone

Features
Read full description

Sheerbit Softphone is a SIP, VoIP and WebRTC softphone: a professional mobile dialer that turns your phone into a business phone, SIP client and IP phone. Connect it to any SIP server, PBX or hosted VoIP platform and start calling, with reliable background calling so you never miss an incoming call. No subscription. No per-seat licence. Add your SIP account and you are ready to talk. WORKS WITH ANY SIP SERVER OR PBX Sheerbit Softphone is a standards-based SIP client, not a calling service. It connects to: - Asterisk - FreeSWITCH - FreePBX - FusionPBX - Kamailio - OpenSIPS - Any RFC 3261 compliant SIP server or hosted VoIP provider KEY FEATURES - SIP and WebRTC calling over Wi-Fi, 4G, 5G and LTE - Background calling with VoIP push notifications, so calls ring even when the app is closed or in the background - Native incoming call screen using CallKit style integration - HD voice for clear, low-latency audio - Secure calling with TLS signalling and SRTP media encryption - Call history and logs for every incoming and outgoing call - Built-in contacts and phonebook for fast dialling - Call hold, mute, transfer and DTMF tones - Multiple SIP accounts on one device - Clean, distraction-free interface, no ads WHO IT IS FOR - Businesses and remote teams replacing desk phones - Call centres and contact centres - IT administrators and system integrators - VoIP service providers and their customers - Developers and QA teams testing SIP and WebRTC - Anyone with a hosted PBX or SIP trunk account MORE FREE APPS FROM SHEERBIT - WebPhone: a browser-based WebRTC softphone, nothing to install - Desktop Dialer: a VoIP softphone for Windows and Mac All apps connect to your existing SIP server or PBX infrastructure. WHITE-LABEL AND CUSTOM SOFTPHONE DEVELOPMENT Want your own branded softphone? Sheerbit Technologies builds white-label and custom VoIP and WebRTC applications for VoIP providers, call centres, UCaaS and CPaaS platforms, MVNOs and enterprises. We deliver fully branded mobile dialers, web phones and desktop softphones, plus custom SIP and WebRTC development tailored to your infrastructure. Contact: info@sheerbit.com Visit: sheerbit.com IMPORTANT Sheerbit Softphone is a SIP client. It needs a SIP account from a VoIP provider or PBX to make and receive calls. It does not include phone numbers or calling minutes on its own. Developed by Sheerbit Technologies, a trusted VoIP and WebRTC solutions provider.

Screenshots

CTERA4 screens
Sheerbit Softphone3 screens

Verdict

The call

CTERA and Sheerbit Softphone are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CTERA ships an update every 2 months, Sheerbit Softphone monthly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

ScorecardNo meaningful differences
CTERA versus Sheerbit Softphone: the parameters behind the verdict, then further details
ParameterCTERASheerbit Softphone
PriceFreeFree
Rating4.5 (4 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.1 — better15.6
Further details — not scored
Size8 MB79 MB
Age rating4+4+
DeveloperCTERAKaushik Parmar

In-app purchases

None

CTERA

No in-app purchases

None

Sheerbit Softphone

No in-app purchases

Questions

Is CTERA free?
CTERA is free to download, with no in-app purchases.
Is Sheerbit Softphone free?
Sheerbit Softphone is free to download, with no in-app purchases.
Do CTERA or Sheerbit Softphone have ads?
Neither CTERA nor Sheerbit Softphone shows ads.
Which is updated more often, CTERA or Sheerbit Softphone?
CTERA ships an update every 2 months, and Sheerbit Softphone monthly. Most recently, CTERA was updated on October 20, 2026 and Sheerbit Softphone on October 25, 2026.

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