181+ iOS apps curated and reviewed
Looking for free patent search apps? 19 of our 181+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (2) | No | Yes | May 2026 |
| 2 |  | Free | 4.7★ (3) | No | No | May 2026 |
| 3 |  | Free | 3.8★ (5.1K) | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.8★ (188) | No | No | Jul 2026 |
| 5 |  | Free | 5.0★ (1) | Yes | Yes | May 2026 |
| 6 |  | Free | 4.5★ (10K) | No | Yes | Jul 2026 |
| 7 |  | Free | 5.0★ (3) | No | Yes | May 2026 |
| 8 |  | Free | 4.6★ (4.6K) | No | Yes | Jul 2026 |
This AI-powered agent helps inventors and researchers discover, analyze, and organize patents. It offers advanced search, document analysis, interactive chat for patent insights, and project organization tools to streamline the innovation process.
Explore if your invention idea is unique with a free patent search tool. Access millions of U.S. patents to find similar inventions using keywords. This app empowers everyday inventors with professional-grade tools.
This utility app allows you to search for images using multiple search engines like Google, Bing, Yandex, and TinEye. It helps verify photo sources, find similar products, and discover information about images from your gallery or camera.
Easily search for trademarks filed with the USPTO directly from your iPhone. Ideal for entrepreneurs and legal professionals needing to check existing records by name, owner, or number. Includes a class search engine and helpful FAQs.
Automate patent monitoring to stay ahead of competitors. Receive real-time alerts and weekly briefs on new filings, expirations, and claim changes. Track technologies, companies, and specific patents effortlessly.
Access public records instantly with this app. Search by address, phone, or email to uncover details like owner information, location history, and property data. Get the information you need without extensive online searching.
Quickly retrieve patent information by scanning barcodes or entering patent numbers. Access and save original patent documents with a premium subscription, including cloud storage integration.
Discover unbiased AI-powered answers to your questions with a focus on privacy. This app indexes independent and non-mainstream sources, including podcasts, to provide a more complete picture. It offers a kid-safe mode and an optional premium version for enhanced features and an ad-free experience.
This app provides fast, AI-powered search results with curated answers and summaries. It helps users discover information more efficiently, explore topics deeper with suggested follow-ups, and create images from text. It also offers features like visual search, voice search, and rewards.
Discover publicly available information about individuals with this AI-powered app. Quickly find social media profiles, background details, and online presence across multiple platforms. Ideal for reconnecting with people or researching acquaintances.
This app provides instant, actionable search results using AI. It integrates with your favorite services for effortless task completion and prioritizes user privacy with an ad-free experience.
Search the web using a photo instead of text. Upload an image to find visually similar results, identify objects, and even translate text within the picture. Discover context, compare prices, or verify information with a quick visual search.
Access the complete US Manual of Patent Examining Procedure offline. Features lightning-fast browsing, full-text search, and the ability to email sections. Bookmark important content and save your progress.
This app acts as a multilingual answer engine, allowing users to ask questions in their native language and receive accurate, sourced answers from global information. It utilizes AI-powered agents to scan multiple platforms for up-to-date and relevant content, breaking down language barriers for a smarter search experience.
Access hundreds of global search engines from a single app. Get comprehensive results from multiple sources, organized by rich categories like AI, video, and music. Offers premium features for an enhanced, ad-free experience.
Generate patent drafts with AI assistance. This tool helps inventors navigate the complexities of patent filing, identify prior art, and draft application components, making the process more efficient and cost-effective.
This app enables visual search for anything using your mobile device by simply taking a picture. It provides internet search results, price comparisons, local information, and the ability to ask questions about any subject.
This AI-powered app acts as both a conversational assistant and a deep research tool. It helps users understand complex topics, answer questions, and conduct in-depth research by analyzing information from multiple sources and providing clear summaries. Additional features include math solving, image-based search, and voice chat.
Access public records and perform reverse phone number lookups quickly. Identify unknown callers, avoid scams, and uncover information on the go. This app provides a convenient way to search for details using just a phone number.
Access a centralized platform to search patent, trademark, and industrial design applications from various IP offices. Features include database selection, bibliographic data search, and viewing published dossier information. Users can also add dossiers to a bucket and access translations.