Best O alternatives: apps like O-Genius OD20 OBDII

10+ similar apps compared and reviewed

4.4 avg rating
10 free apps
Updated November 2026

O is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

KobCard

KobCard by KOB MARKETING

Gift Card Information Platform
4.1(392 ratings)
Free
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KobCard is a comprehensive gift card information platform that offers real-time exchange rates, price calculations, and the latest news on gift cards. It serves as a one-stop destination for individuals looking to buy, sell, or stay informed about the world of gift cards.

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Top Alternatives to O

YT Notes: Youtube Summarizer#1
0.0(0 ratings)
FreeIn-App Purchases
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This AI-powered app summarizes YouTube videos, delivering key points in seconds. It automatically generates notes for new uploads from followed channels and allows on-the-spot summarization of any video. Users can ask follow-up questions and translate foreign-language content.

DOC2PDF#3

DOC2PDF by CAGAN DURGUN

Markdown to PDF Editor
Worth Considering
📊 Productivity
3.5(2 ratings)
FreeIn-App Purchases
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Convert Markdown files into professional PDFs with ease. This app offers a modern interface, efficient file management, and seamless integration across Apple devices. It's ideal for students, developers, and professionals needing to share documents quickly.

More apps like O

4
Sign PDF Documents: PDF Signer
Sign PDF Documents: PDF Signer
Sign PDF Documents: PDF Signer
Electronic Signature Maker
Free
📊 Productivity
(0)
5
AutoDiag AI Mechanic
AutoDiag AI Mechanic
AutoDiag AI Mechanic
Your AI pocket mechanic.
Free

This app acts as your AI-powered car mechanic, diagnosing issues from simple descriptions, dashboard photos, or engine sounds. It offers optional OBD2 scanning for deeper diagnostics and provides repair guides with cost estimates and anti-fraud tips.

Instant AI diagnosis without OBDDashboard warning light explanationEngine sound analysis
📊 Productivity
(1)
freemium
6
Evento: Wedding Venue
Evento: Wedding Venue
Evento: Wedding Venue
by Darryl Horne
Free
📊 Productivity
(0)
7
Chat Z - Ultra Chat Assistant
Chat Z - Ultra Chat Assistant
Chat Z - Ultra Chat Assistant
AI that sees and searches
Free

This AI-powered assistant offers personalized conversations, educational support, and multilingual capabilities. Engage in dialogue, play games, and access information for both practical needs and entertainment.

Personalized dialogueEntertainment and gamesLearning and education
📊 Productivity
(5)
free with in-app purchases
8
AskAI GPT - AI Chat & Chatbot
AskAI GPT - AI Chat & Chatbot
AskAI GPT - AI Chat & Chatbot
Chat best AI app, AI Assistant
Free

This AI-powered assistant leverages multiple advanced language models to answer questions, generate various content types, and perform tasks like summarization and translation. It also offers image creation and editing capabilities, with real-time web search integration.

Multiple advanced AI modelsContent generation (emails, blogs, scripts)Image creation and editing
📊 Productivity
(54)
free with in-app purchases
9
PDF Pro: Scanner & Editor
PDF Pro: Scanner & Editor
PDF Pro: Scanner & Editor
Scan, Convert, Read & Sign PDF
Free

This app allows you to scan documents, convert images and files to PDF, and edit existing PDFs. It features AI-powered interpretation for summarizing and extracting information, plus an AI chat for interacting with your documents. Files are processed locally for enhanced privacy.

AI-powered PDF interpretationAI chat for document interactionScan documents to PDF
📊 Productivity
(15)
free with in-app purchases
10
PDFAI Scan - Document Scanner
PDFAI Scan - Document Scanner
PDFAI Scan - Document Scanner
PDF Converter, OCR, DOCX, PPTX
Free

Transform your device into a smart document scanner with AI-powered study tools. Easily scan, convert, and enhance documents, then leverage AI for summaries, flashcards, and interactive quizzes. Listen to documents read aloud and share your work in various formats.

AI-powered document scanningOCR text extractionAI study tools (summaries, flashcards, quizzes)
📊 Productivity
(7)
free with in-app purchases