Truecaller
Truecaller is a global communications platform that provides caller identification, spam blocking, and verified business messaging services to help you identify unknown callers and block unwanted telemarketing calls.
Zoiper
Zoiper is a versatile VoIP softphone application providing encrypted voice, video, and instant messaging across multiple platforms to help you maintain secure and reliable business communications.
Quick Comparison
| Feature | Truecaller | Zoiper |
|---|---|---|
| Website | truecaller.com | zoiper.com |
| Pricing Model | Freemium | Freemium |
| Starting Price | Free | Free |
| FREE Trial | ✘ No free trial | ✘ No free trial |
| Free Plan | ✓ Has free plan | ✓ Has free plan |
| Product Demo | ✘ No product demo | ✘ No product demo |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2009 | 2003 |
| Headquarters | Stockholm, Sweden | Sofia, Bulgaria |
Overview
Truecaller
Truecaller helps you take control of your phone communications by identifying who is calling before you pick up. You can instantly spot verified business calls, personal contacts, or potential fraud through a massive community-based directory. The app automatically filters out spam and telemarketing SMS, ensuring your inbox stays clean and your time remains uninterrupted.
Beyond simple caller ID, you can use the platform to manage your dialer, send flash messages, and even record important conversations. It serves over 400 million active users globally, making it a vital tool for anyone looking to eliminate phone-based harassment. Whether you are a professional protecting your work hours or a casual user avoiding scams, the software provides a layer of digital trust for every incoming notification.
Zoiper
Zoiper is a cross-platform softphone that transforms your existing devices into powerful communication hubs. You can make crystal-clear voice and video calls over the internet using your preferred VoIP provider or PBX system. It eliminates the need for expensive hardware by turning your smartphone, tablet, or computer into a fully functional business phone.
You can manage your contacts, send instant messages, and handle multiple calls simultaneously through a unified interface. The software focuses heavily on security, offering military-grade encryption to keep your conversations private. Whether you are a remote freelancer or part of a large call center, Zoiper provides the flexibility to stay connected from anywhere with an internet connection.
Overview
Truecaller Features
- Instant Caller ID Identify unknown numbers and see the names of people or businesses calling you in real-time.
- Advanced Spam Blocking Automatically block top spammers and telemarketers based on a community-updated list of reported numbers.
- Verified Business Calling See a green caller screen for verified companies so you know exactly which official calls to trust.
- Smart SMS Filtering Automatically categorize your messages into personal, important, and spam folders to keep your inbox organized.
- Call Recording Record important incoming and outgoing phone calls directly within the app to keep track of details.
- Ghost Calls Schedule fake calls to help you politely excuse yourself from awkward real-life situations or meetings.
Zoiper Features
- Multi-Protocol Support. Connect to almost any VoIP provider or PBX using SIP, IAX, or XMPP protocols for maximum flexibility.
- Military-Grade Encryption. Secure your voice and video calls with TLS, SRTP, and ZRTP encryption to prevent eavesdropping.
- Unified Communications. Handle voice, video, and instant messaging in one application to streamline your daily team interactions.
- Push Notifications. Receive calls even when the app is closed to save battery life on your mobile devices.
- Call Management. Transfer, hold, and record calls directly from the interface to maintain professional standards during every interaction.
- Contact Integration. Sync your existing contacts from Outlook, LDAP, or your mobile phonebook for quick one-click dialing.
Pricing Comparison
Truecaller Pricing
- Caller ID
- Spam blocking
- Spam reporting
- Profile views
- Basic SMS filtering
- Everything in Basic, plus:
- No advertisements
- Advanced spam blocking
- Who viewed my profile
- Premium badge
- Unlimited contact requests
Zoiper Pricing
- Non-commercial use only
- SIP and IAX support
- Voice and video calls
- Basic contact management
- Available on all platforms
- Everything in Free, plus:
- Commercial use license
- Military-grade encryption
- Call transfer and recording
- Outlook and LDAP integration
- Customizable branding options
Pros & Cons
Truecaller
Pros
- Highly accurate identification of unknown global numbers
- Effective automatic blocking of persistent telemarketers
- Clean interface that replaces clunky stock dialers
- Large community database ensures frequent spam updates
Cons
- Free version contains frequent intrusive advertisements
- Requires significant privacy permissions to function fully
- Background battery consumption can be high on Android
Zoiper
Pros
- Extremely low resource usage on older hardware
- Works with almost any VoIP service provider
- Excellent audio quality even on slower connections
- Strong focus on privacy and call encryption
- One-time purchase option avoids recurring monthly fees
Cons
- Interface feels dated compared to modern apps
- Initial configuration can be technical for beginners
- Mobile push notifications sometimes require manual setup