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Best Slickcall Apps

249+ iOS apps curated and reviewed

3.6 avg rating
20 free apps
Updated September 2026

Looking for free slickcall apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Slickcall Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Slick: eSIM & Global CallsSlick: eSIM & Global CallsFree4.5★ (2.1K)YesYesSep 2026
2BOSS Revolution: Call & Top upBOSS Revolution: Call & Top upFree4.7★ (277K)YesYesSep 2026
3International Calling－Talk360International Calling－Talk360Free4.7★ (21K)YesNoSep 2026
4CallALinkCallALinkFree was $0.99—NoYesMay 2026
5ComeraComeraFree4.6★ (5K)NoNoSep 2026
6PhoneCall-Calls & TextPhoneCall-Calls & TextFree1.0★ (1)YesYesSep 2026
7PriCallPriCallFree—NoYesMay 2026
8UnlimCallUnlimCallFree——NoJul 2026

Top Picks for Slickcall

Slick: eSIM & Global Calls#1

Slick: eSIM & Global Calls by Slick Networks Incorporated

eSIM, Global Calls & Topups
Editor's Choice
🔧 Utilities
4.5😐(2.1K ratings)
FreeAdsIn-App Purchases
Slick: eSIM & Global Calls screenshot 1
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Slick: eSIM & Global Calls screenshot 3
Slick: eSIM & Global Calls screenshot 4
Slick: eSIM & Global Calls screenshot 5
Slick: eSIM & Global Calls screenshot 6

This app simplifies global communication by offering digital eSIM data plans for over 150 countries, affordable international calls, and instant mobile recharge services worldwide. It allows for free calls between app users and provides transparent pricing with no hidden fees.

What We Love

  • 👍 Clear calls
  • 🚀 Smooth and reliable connections
  • 💰 Affordable international rates
  • 📞 Easy to use
  • 🌐 Great for international communication

Room to Improve

  • 🐛 Calls dropping or poor connection quality
  • 💳 Billing and account issues
  • 🕰️ Rapid depletion of call credits
  • 🤖 Poor customer service and support
  • 🔒 Privacy concerns with number visibility
BOSS Revolution: Call & Top up#2

BOSS Revolution: Call & Top up by Boss Revolution

International Calls, Recharge
Strong Contender
🌐 Social Networking
4.7😊(277K ratings)
FreeAdsIn-App Purchases
BOSS Revolution: Call & Top up screenshot 1
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BOSS Revolution: Call & Top up screenshot 4
BOSS Revolution: Call & Top up screenshot 5
BOSS Revolution: Call & Top up screenshot 6

Make crystal-clear international calls, send mobile top-ups to over 300 carriers in 100+ countries, and perform secure international money transfers. Enjoy various calling plans, automated refills, and special promotions for added value.

What We Love

  • 💯 Great way to call home
  • 👍 Reliable call connection and quality
  • 💰 Cheap and affordable rates
  • 🔍 Helpful customer service
  • ⏱️ Seamless auto-top up feature
  • 📲 Convenient app experience
  • 🌍 Able to reach family/friends abroad

Room to Improve

  • 🤔 Inconsistent top-up issues
  • 🔊 Call quality can be improved
  • 🔒 Security concerns with account access
  • 📞 Misdial issues with no delete option
  • 💳 Unauthorized charges on payment methods
International Calling－Talk360#3

International Calling－Talk360 by Talk360 Group B.V.

Mobile Recharge and WiFi Calls
Worth Considering
🌐 Social Networking
4.7😐(21K ratings)
FreeAdsIn-App Purchases
International Calling－Talk360 screenshot 1
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International Calling－Talk360 screenshot 3
International Calling－Talk360 screenshot 4
International Calling－Talk360 screenshot 5
International Calling－Talk360 screenshot 6

Make affordable international calls to any offline phone number worldwide using your existing number. The recipient does not need the app or internet. Send mobile top-ups to over 160 countries.

What We Love

  • 👍 Excellent call quality
  • 💰 Affordable international rates
  • 📞 Clear connection for landline calls
  • 🔍 Easy to use interface
  • ⭐ Reliable service
  • 🔥 Great customer service

Room to Improve

  • 🐛 Frequent call drops
  • ⚠️ Deceptive pricing and hidden fees
  • 🔇 Poor sound quality
  • 🕰️ Long call connection times
  • 🔒 Concerns about personal data usage

More Slickcall apps to explore

FAQ about Slickcall

What are the best slickcall apps for iPhone?
Slick: eSIM & Global Calls tops our slickcall apps ranking as of September 2026, with a 4.5-star average from 2.1K App Store ratings, and it's free to download.
Yes — 20 of the top slickcall apps we rank are free to download, including Slick: eSIM & Global Calls and BOSS Revolution: Call & Top up.
Slick: eSIM & Global Calls shows ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ slickcall apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Slick is a mobile application designed to simplify global communication. It offers digital eSIM data plans for over 150 countries, allows users to make crystal-clear international calls to mobile and landline numbers, and enables instant mobile recharge for friends and family worldwide.
Slick's digital eSIM allows you to get mobile data in over 150 countries without needing a physical SIM card. You can choose your destination, select a data plan, and activate it within the app in just a few taps, avoiding roaming charges and hassle.