Unwanted solar sales calls can be a nuisance, but with the right tools, you can effectively block them. Here are some top apps designed to help everyday users manage and block these calls:
1. RoboKiller
RoboKiller is a leading app that blocks over 99% of spam calls, including solar sales calls. It uses AI-powered technology to identify and block unwanted calls, and even features "Answer Bots" that waste scammers' time. The app is available for both iOS and Android devices. (fone.tips)
2. Truecaller
Truecaller is a popular app that identifies unknown callers and blocks spam calls. It has a large database of known spammers and telemarketers, which helps in effectively blocking unwanted calls. Truecaller is available for both Android and iOS devices. (fone.tips)
3. Hiya
Hiya offers robust call blocking and spam protection powered by its AI system. It provides real-time caller ID and blocks robocalls and telemarketers. Hiya is available for both Android and iOS devices. (fone.tips)
4. T-Mobile Scam Shield
T-Mobile Scam Shield is a free service that blocks scam and robocalls for T-Mobile customers. It offers features like Scam Block, Scam ID, and Caller ID to help identify and block unwanted calls. The app is available for Android devices. (play.google.com)
5. AT&T ActiveArmor
AT&T ActiveArmor is a free service that blocks scam and robocalls for AT&T customers. It offers features like spam call blocking and caller ID to help identify and block unwanted calls. The app is available for both Android and iOS devices. (whocalledus.net)
6. Verizon Call Filter
Verizon Call Filter is a free service that blocks scam and robocalls for Verizon customers. It offers features like spam call blocking and caller ID to help identify and block unwanted calls. The app is available for both Android and iOS devices. (whocalledus.net)
7. Nomorobo
Nomorobo is an app that blocks robocalls and telemarketers. It uses a combination of blacklisting and behavioral analysis to identify and block unwanted calls. Nomorobo is available for both iOS and Android devices. (smarttechsavvy.com)
8. Call Control
Call Control is an app that blocks spam calls using crowdsourced reporting and smart AI filters. It offers features like personal blocklists and community reporting to help identify and block unwanted calls. Call Control is available for both Android and iOS devices. (rahsha.in)
9. PrivacyStar
PrivacyStar is a service that identifies who is calling and why, and provides for call complaint filing which reports to the Federal Trade Commission. The PrivacyStar service is available on the web and on mobile applications for Android and iOS. (en.wikipedia.org)
10. RealCall
RealCall is a US-based AI caller identification and call blocking smartphone application, used to detect, engage and block call and SMS scamming and spamming. The app is available for Android and iOS devices. (en.wikipedia.org)
Conclusion
Blocking unwanted solar sales calls is achievable with the right app. RoboKiller stands out as a market-leading solution, offering advanced features and high effectiveness. However, other apps like Truecaller, Hiya, and carrier-specific services also provide valuable protection. Evaluate your specific needs and preferences to choose the best app for you.
Highlights:
- The 7 Best Call Blocker Apps for Android Phones (2026) | Fone.tips, Published on Tuesday, April 14
- Best Call Blocking Apps 2025 – Stop Spam Calls – RahSha, Published on Wednesday, November 26
- The Best Apps for Blocking Robocalls: A Comprehensive Review - SmartTechSavvy, Published on Tuesday, March 11



