Engage your mind with a logic puzzle game where you crack secret codes using deduction and numerical reasoning. Enjoy unlimited puzzles offline, with no hidden costs or guessing required. Perfect for brain training and on-the-go entertainment.






219+ iOS apps & games curated and reviewed
Looking for free deduction codex apps and games? 19 of our 219+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.






Engage your mind with a logic puzzle game where you crack secret codes using deduction and numerical reasoning. Enjoy unlimited puzzles offline, with no hidden costs or guessing required. Perfect for brain training and on-the-go entertainment.






Automatically track your driving miles, expenses, and potential tax deductions. This app helps freelancers, drivers, and small business owners save money on taxes and reimbursements by keeping accurate records and uncovering hidden savings.






Effortlessly scan and organize business receipts and track mileage for tax deductions. Automates extraction of vendor, amount, date, and category. Offers automatic background mileage tracking for business trips.


This app transforms your smartphone into an expense management tool. Scan receipts, track mileage, and generate detailed reports to simplify tax filings and financial organization. It offers automatic backups and AI-powered OCR for secure and efficient data handling.


Securely connect with your accounting professional to manage documents, communicate, and complete tasks. Review, upload, and sign documents, chat securely, and pay invoices all within a user-friendly interface.


Create professional invoices and estimates quickly for your small business. This app helps you get paid faster with online payment options, track expenses by scanning receipts, and manage clients and inventory. It's designed for freelancers and contractors to maintain a professional image and streamline billing.


This app simplifies tax document gathering and sharing with your tax professional. It automatically retrieves financial documents, allows secure uploads of paper records, and enables electronic signing of tax forms. Collaborate with your accountant from any device, eliminating the need for office visits or paper organizers.


This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.


Create and send professional invoices and estimates quickly. Accept various payment methods, send automatic reminders, and track payments in real-time. Manage your business finances efficiently on the go.


This app offers fast and secure OCR data extraction from receipts, bills, and invoices. It automates manual entry, saving significant time on bookkeeping and project management. Features include AI-powered vendor recognition, transaction detail extraction, and secure document storage.


This app provides quick access to diagnostic and treatment information for over 1,000 medical conditions. It includes bonus content like pediatric diseases and differential diagnoses, with offline access and advanced search capabilities.


Easily track mileage and expenses with a comprehensive, user-friendly app. Features customizable categories, photo receipt capture, and multiple export options for desktop integration. Save time and money on financial management.


This app offers a comprehensive suite of tools for managing PDF documents. It allows users to read, edit, annotate, convert, and scan PDFs with an intuitive interface. Features include form filling, digital signatures, page management, and robust sharing options across Apple devices.


This app provides comprehensive drug information and tools to aid in safe medication decisions. It offers daily updated clinical information, detailed drug databases, interaction checkers, and medical calculators. It is trusted by healthcare professionals and students for quick access to expert content.


Manage your business finances on the go. Create and send invoices, track expenses, monitor cash flow, and accept contactless payments. This app helps small business owners stay productive and maintain financial oversight.


Effortlessly manage business and household expenses by snapping photos of receipts. This app acts as your personal bookkeeper, helping you track income, categorize spending, and generate tax reports. Save time and money on tax preparation with its AI-powered scanning and comprehensive reporting features.


Effortlessly create expense reports by simply photographing receipts. The app automatically extracts and categorizes all necessary information, delivering a finished report via email. Ideal for businesses seeking to streamline expense management.


This app allows subscribers to manage their business finances on the go. Users can track transactions, edit details, upload receipts, manage mileage, and create invoices. It provides insights into business income and trends, with easy access to account information.


Easily file your taxes remotely by securely sending documents and receipts to your tax preparer via the app. Review and sign your return digitally for a convenient, on-the-go tax filing experience.


Quickly generate professional invoices and estimates for your clients. Customize templates with your business details, add unlimited customers and services, and track payments on the go. Convert estimates to invoices with a single tap.