Comparison

AbtoVoIPClient vs Westelecom SIP

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

Head to head
About

AbtoVoIPClient

This application provides voice and video calling capabilities, along with text chat, for users with SIP accounts. It supports direct calls between clients and offers secure communication options. The app integrates with native iOS call features for a seamless user experience.

Highlights
  • Voice calls
  • Video calls
  • Text chat
  • Works with all popular SIP servers
  • Direct calls between clients
  • Secure calls using SRTP/ZRTP
  • CallKit integration
Features
Read full description

ABTO Software's VoIP SIP softphone. Can be used to call sip numbers and landline numbers (if sip provider has this option). Features: voice calls; video calls; text chat (based on SIP MESSAGE request); works with all popual SIP servers, including Asterisk/FreeSwitch; make direct calls between clients without SIP server; allows to use UDP/TCP/TLS protocols for SIP transport; ability to make secure calls using SRTP/ZRTP; supports STUN/ICE; IPv6 support; CallKit - native incoming call UI and system integration of VoIP calls; 2 simultaneous calls; call conferencing; attended transfer.

About

Westelecom SIP

Features
Read full description

С помощью SIP-телефонии вы можете звонить из любой точки мира по тарифам одесской городской сети. Качество связи очень высокое! Сип-телефония – это технология будущего, для того, чтобы звонить близким в любую страну, нужен только интернет. Передача голоса происходит с помощью интернета, поэтому позвонить можно с любого устройства, подключенного к интернету (телефона, планшета, компьютера, ноутбука и так далее). Если вы любите разговаривать по телефону без ограничений и спешки – устанавливайте SIP-телефонию. Экономить на продолжительности разговоров с близкими людьми не придется. Это удобно и очень выгодно. SIP-телефония станет комфортным решением для тех, кто часто ездит за границу. Особенно этот сервис удобен для моряков, которым часто и подолгу приходится бывать за границей. Более подробно об этой услуге, а также приложении "Сип-звонилка", разработанной в компании WESTELECOM специально для наших клиентов, вы можете узнать на сайте http://westele.com.ua/.

Screenshots

AbtoVoIPClient3 screens
Westelecom SIP2 screens

Verdict

The call

The clearest difference is update cadence: Westelecom SIP at monthly against AbtoVoIPClient's every 5 months. Westelecom SIP also leads on iOS requirement (6.0 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

AbtoVoIPClient ships an update every 5 months, Westelecom SIP monthly. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

Scorecard2 real differences · 8 level
AbtoVoIPClient versus Westelecom SIP: the parameters behind the verdict, then further details
ParameterAbtoVoIPClientWestelecom SIP
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings3 — better—
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.66.0 — better
Further details — not scored
Size12 MB42 MB
Age rating4+4+
DeveloperSviatoslav Volodymyruvych Litynsky Private EnterpreneurVadym Mindak

In-app purchases

None

AbtoVoIPClient

No in-app purchases

None

Westelecom SIP

No in-app purchases

Questions

Is AbtoVoIPClient free?
AbtoVoIPClient is free to download, with no in-app purchases.
Is Westelecom SIP free?
Westelecom SIP is free to download, with no in-app purchases.
Do AbtoVoIPClient or Westelecom SIP have ads?
Neither AbtoVoIPClient nor Westelecom SIP shows ads.
Which is updated more often, AbtoVoIPClient or Westelecom SIP?
AbtoVoIPClient ships an update every 5 months, and Westelecom SIP monthly. Most recently, AbtoVoIPClient was updated on October 23, 2026 and Westelecom SIP on October 26, 2026.

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