Best Softphones for Windows, Mac, Android & iOS (2026 Comparison)

Best Softphones for Windows (2026)

1. MicroSIP (Free — Highly Recommended)

MicroSIP is a lightweight, open-source SIP client that packs a powerful punch. It is our top recommendation for Windows users who want a no-frills, highly reliable softphone.

Pros: Free, lightweight (5MB), supports G.711/G.729/Opus, TLS/SRTP, multiple accounts

Cons: Basic UI, no video calling

Best for: Business users, call centers, resellers

2. 3CX Desktop App

3CX is a complete UCaaS solution with a polished Windows app. Works best with 3CX PBX but also supports standard SIP.

Pros: Modern UI, video calling, chat, presence

Cons: Some features locked behind 3CX subscription

Best for: Enterprise teams

3. Zoiper 5 (Free + Paid)

Zoiper is cross-platform and very popular. The free version covers most needs; the paid version adds encryption and advanced codecs.

Pros: Cross-platform, clean UI, good codec support

Cons: Advanced features cost extra

Best for: Small businesses, BYOD environments

Best Softphones for Mac (2026)

1. Telephone (Mac App Store — Free)

Simple, elegant Mac-native SIP client. Integrates with macOS contacts and notifications.

Pros: Native Mac design, free, easy setup

Cons: Limited advanced features

Best for: Mac-first professionals

2. 3CX for Mac

Same excellent 3CX experience on macOS. Full feature parity with Windows version.

3. Zoiper 5 (Mac)

Cross-platform consistency — same Zoiper on Mac as Windows.

Best Softphones for Android (2026)

1. Zoiper 5 (Android)

The Android version of Zoiper is excellent. Push notifications ensure you never miss a call even when the app is in the background.

Pros: Background calling, push notifications, clean UI

Best for: Field sales, remote workers

2. Groundwire

Premium Android softphone with exceptional audio quality. Our top pick for call center agents using Android.

Pros: Best-in-class audio quality, Opus codec, background calling

Cons: Paid ($10 one-time)

Best for: Call center agents, professionals

Best Softphones for iOS (2026)

1. Groundwire (iOS)

The gold standard for iOS VoIP. Uses Apple's CallKit for native call experience — calls look like regular phone calls.

Pros: Native iOS integration, CallKit, excellent quality, push notifications

Cons: $10 one-time purchase

Best for: iPhone users, executives, professionals

2. Bria Mobile

Enterprise-grade iOS softphone from CounterPath. Feature-rich with video, messaging, and strong security.

Pros: Enterprise features, TLS/SRTP, directory integration

Cons: Subscription pricing

Best for: Enterprise iOS users

Quick Comparison Table