Best Deduction Codex Apps & Games

219+ iOS apps & games curated and reviewed

4.6 avg rating
19 free apps & games
Updated July 2026

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.

Top Picks for Deduction Codex

Deduction Codex#1

Deduction Codex by Ceremy Digital Ltd

Offline code cracking puzzle
Editor's Choice
🎮 Games
0.0(0 ratings)
Free
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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.

Mileage Tracker by Everlance#2

Mileage Tracker by Everlance by Everlance Inc.

Mile, Expense & Tax Tracking
Strong Contender
💰 Finance
4.8😐(50K ratings)
FreeAdsIn-App Purchases
#12in Finance
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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.

What We Love

  • 🚀 Convenient and accurate
  • 🚀 Easy to use
  • 🚀 Seamless integration
  • 👍 Helpful customer service

Room to Improve

  • 🐛 Glitchy, crashes, and freezes
  • 🐛 Unreliable trip tracking
  • 🐛 Poor customer support
Shoeboxed: Receipt Scanner#3

Shoeboxed: Receipt Scanner by Shoeboxed, Inc.

Business Expense Tracker
Worth Considering
💰 Finance
4.5😞(1.8K ratings)
FreeIn-App Purchases
#59in Finance
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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.

What We Love

  • ⭐ Highly recommended
  • 🚀 Efficient receipt management
  • 👍 Easy to use
  • 🤝 Excellent customer service

Room to Improve

  • 🐛 Glitchy app updates
  • 🕰️ Slow processing of receipts
  • 🔍 Inconsistent data capture

More Deduction Codex apps to explore

4
Smart Receipts: Expenses & Tax
Smart Receipts: Expenses & Tax
Smart Receipts: Expenses & Tax
Finance Tracking & Scanner
Free

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.

Scan and organize receiptsTrack mileage for deductionsGenerate customizable reports (PDF, CSV, ZIP)
💰 Finance
(13K)
free with in-app purchases
5
TaxDome Client Portal
TaxDome Client Portal
TaxDome Client Portal
Client interactions made easy
Free

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.

Review and approve documentsScan and upload documentsSecure chat with accounting professional
💰 Finance
(39K)
free
6
Billdu: Invoice Estimate Maker
Billdu: Invoice Estimate Maker
Billdu: Invoice Estimate Maker
Billing & Quote Generator
Free

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.

Customizable invoice templatesInstant estimates and invoicesOnline payment processing
💼 Business
(25K)
free with in-app purchases
7
TaxCaddy
TaxCaddy
TaxCaddy
Simplify tax time
Free

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.

Automatic document retrievalSecure document uploadElectronic document signing
💰 Finance
(8.6K)
free
8
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
Edit,read,sign,annotate pdf
Free

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.

AI Chat with PDFScan and OCRPDF to Office Conversion
📊 Productivity
(7.5K)
free with in-app purchases
9
Square Invoices: Invoice Maker
Square Invoices: Invoice Maker
Square Invoices: Invoice Maker
Invoicing, Estimates, Bills
Free

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.

Invoice and estimate makerAccept various payment methodsAutomatic payment reminders
💼 Business
(92K)
free with in-app purchases
10
Veryfi Receipts OCR & Expenses
Veryfi Receipts OCR & Expenses
Veryfi Receipts OCR & Expenses
Project Based QBO Bookkeeping
Free

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.

Fast OCR data captureAI-powered data extractionAutomated bookkeeping
💼 Business
(1.8K)
free
11
5 Minute Clinical Consult
5 Minute Clinical Consult
5 Minute Clinical Consult
2026 Edition w/ Bonus Features
Free

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.

Diagnose and treat 1,000+ medical conditionsOffline accessDifferential diagnosis tool
🏥 Medical
(3.1K)
subscription
12
XpenseTracker
XpenseTracker
XpenseTracker
Expense Tracker & Mileage Log
$4.99

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.

Mileage tracking with GPS and odometer optionsExpense logging with customizable categoriesPhoto receipt capture and attachment
💰 Finance
(4.9K)
free with in-app purchases
13
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF Editor ,PDF Book Reader ®
PDF App,PDF Scanner, Converter
Free

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.

Read and edit PDFsAnnotate and markup documentsFill forms and add digital signatures
🔧 Utilities
(22K)
free with in-app purchases
14
UpToDate Lexidrug
UpToDate Lexidrug
UpToDate Lexidrug
by Lexi-Comp, Inc.
Free

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.

Daily updated clinical drug informationIn-depth drug databases with dosing supportComprehensive drug monographs
🏥 Medical
(7)
subscription
15
Xero Accounting for business
Xero Accounting for business
Xero Accounting for business
Invoice Maker, Expenses & Tax
Free

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.

Invoice creation and sendingContactless payment acceptanceCash flow tracking
💼 Business
(1.6K)
free with in-app purchases
16
Foreceipt Receipt Tracker App
Foreceipt Receipt Tracker App
Foreceipt Receipt Tracker App
Expense Report, IRS Tax Tool
Free

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.

AI-powered auto receipt scannerDigital receipt importBulk bank transaction import
💰 Finance
(6.6K)
freemium
17
ABUKAI Expense Reports Receipt
ABUKAI Expense Reports Receipt
ABUKAI Expense Reports Receipt
Expenses, Invoices, Business
Free

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.

Photograph receiptsAutomated data extractionCost categorization
💰 Finance
(2.5K)
free with in-app purchases
18
LZ Books
LZ Books
LZ Books
by LegalZoom.com, Inc.
Free

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.

Manage business transactionsEdit categories and descriptionsUpload receipts
💼 Business
(2.8K)
ad-supported
19
TaxesToGo
TaxesToGo
TaxesToGo
by Rhodes Computer Services LLC
Free

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.

File taxes from anywhereSecure document transmissionRemote document signing
💼 Business
(262)
free
20
Invoice & Estimate Maker
Invoice & Estimate Maker
Invoice & Estimate Maker
Create Professional Invoices
Free

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.

Create invoices and estimatesCustomize company details and logoUnlimited customers, products, and services
💼 Business
(11K)
subscription