--- title: "Number Shield — App Overview" url: https://marlvel.ai/intel-report/utilities/com-alankinnaman-number-shield category: Utilities developer: Kinnaman Software LLC platforms: ios rating: 4.5 (1.8K ratings) pricing: paid report_level: overview generated: 2026-04-17 last_verified: "2026-04-22T19:46:51.590Z" --- > **Key Insight:** While the app offers a unique wildcard-based blocking mechanism, user feedback indicates potential performance issues and concerns regarding its effectiveness in silencing calls. | Metric | Value | |--------|-------| | Category | Utilities | | Rating | 4.5 ★ (1.8K) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 3.3 | | Developer | Kinnaman Software LLC | ## What is Number Shield? Number Shield is a utility app designed to mitigate unwanted calls and texts by allowing users to block entire ranges of phone numbers using wildcard patterns. It integrates with the system's missed calls screen to enable quick blocking while automatically whitelisting contacts to prevent accidental call filtering. ## Key Features - **Wildcard Blocking**: Allows users to block groups of numbers by replacing specific digits with wildcards. - **Contact Whitelisting**: Automatically ensures that phone numbers saved in the user's contacts are never blocked. - **System Integration**: Enables users to initiate blocking directly from the phone's missed calls screen via the Share Contact action. ## Who is it for? Mobile users seeking to reduce spam and unwanted communications by blocking specific number patterns. ## Links - [App Store](https://apps.apple.com/us/app/number-shield/id1319082167?uo=2) - [Full Intelligence Report](https://marlvel.ai/intel-report/utilities/com-alankinnaman-number-shield) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/utilities/com-alankinnaman-number-shield).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*