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Best Thinkdiag Apps

249+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Out of 249+ thinkdiag apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Thinkdiag Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ThinkDiag+ThinkDiag+Free4.5★ (4.3K)NoNoAug 2026
2ThinkCar proThinkCar proFree4.6★ (323)NoNoAug 2026
3ThinkCarThinkCarFree2.8★ (49)NoNoMay 2026
4ThinkEasyThinkEasyFree5.0★ (2)NoNoMay 2026
5i-VENUi-VENUFree—NoNoJul 2026
6ThoughtSpotThoughtSpotFree4.9★ (122)NoNoAug 2026
7CariumCariumFree4.1★ (28)NoNoMay 2026
8Weave ThoughtsWeave ThoughtsFree5.0★ (1)NoNoMay 2026

Top Picks for Thinkdiag

ThinkDiag+#1

ThinkDiag+ by THINKCAR INC

Editor's Choice
🔧 Utilities
4.5😊(4.3K ratings)
Free
ThinkDiag+ screenshot 1
ThinkDiag+ screenshot 2
ThinkDiag+ screenshot 3
ThinkDiag+ screenshot 4
ThinkDiag+ screenshot 5

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.

What We Love

  • 🚀 Easy to use
  • 🚀 Powerful diagnostic capabilities
  • 🚀 Affordable price
  • 🚀 Helpful customer support

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🐛 Compatibility issues with certain vehicles
  • 🔒 Concerns about annual subscription fees
ThinkCar pro#2

ThinkCar pro by THINKCAR INC

Strong Contender
🔧 Utilities
4.6😐(323 ratings)
Free
ThinkCar pro screenshot 1
ThinkCar pro screenshot 2

This app provides professional-level vehicle diagnostics, including reading and clearing fault codes, accessing data streams, and performing special functions. It supports a wide range of car manufacturers and offers features like automatic VIN reading and report generation. Connect with other users in the community for support.

What We Love

  • 👍 Easy to use interface
  • 🔍 Effective diagnostic scanning capabilities
  • 💰 Good value for price
  • 🌍 Works with multiple car brands

Room to Improve

  • 🐛 Frequent app crashes and bugs
  • ❌ Poor customer support
  • 🔒 Limited vehicle model support
ThinkCar#3

ThinkCar by THINKCAR INC

ThinkCar
Worth Considering
🔧 Utilities
2.8(49 ratings)
Free
ThinkCar screenshot 1
ThinkCar screenshot 2
ThinkCar screenshot 3
ThinkCar screenshot 4
ThinkCar screenshot 5

This app connects to a compatible OBD2 scan tool to diagnose vehicle issues and provide detailed health reports. It offers real-time data, full system inspections, and a community forum for car enthusiasts and mechanics.

More Thinkdiag apps to explore

4
ThinkEasy
ThinkEasy
ThinkEasy
by THINKCAR INC
Free

This utility app tests car batteries using a Bluetooth smart battery holder. It offers various stable and reliable detection modes for comprehensive battery analysis.

Bluetooth smart battery holder integrationMultiple battery detection modesStable and reliable testing
🔧 Utilities
(2)
free
5
i-VENU
i-VENU
i-VENU
by THINKCAR INC
Free
🔧 Utilities
(0)
6
ThoughtSpot
ThoughtSpot
ThoughtSpot
AI-Powered Analytics
Free

Access AI-powered business analytics on the go. Ask questions in natural language to get real-time insights, monitor key metrics, and discover the drivers behind changes in your KPIs. Stay informed and make confident decisions from anywhere.

Natural language data queryingInteractive Liveboards and AnswersAI-driven insight discovery
💼 Business
(122)
free
7
Carium
Carium
Carium
Total Health and Wellness
Free

This app empowers users to actively manage their health and wellness by connecting them with their healthcare or wellness team. It offers tools to support personal goals and facilitates real-time communication and progress tracking through secure technology and health data integration.

Personalized health and wellness goal supportVirtual connection to care teamsSecure communication with providers
💪 Health & Fitness
(28)
free
8
Weave Thoughts
Weave Thoughts
Weave Thoughts
Never forget a brilliant idea
Free

Capture and organize fleeting ideas, quotes, and insights with a powerful search and filtering system. Visualize your thought patterns and maintain complete privacy with local data storage. Organize thoughts using threads, tags, and colors for instant retrieval.

Unlimited thoughts and threadsFull-text search with tag filteringColor-coded organization
📊 Productivity
(1)
free
9
HBDI®
HBDI®
HBDI®
by Herrmann International, Inc.
Free

Access and explore your personal HBDI® Thinking Styles assessment results. This app offers interactive tools to understand your thinking preferences, apply Whole Brain® Thinking, and share insights with others. Enhance communication, problem-solving, and decision-making.

Interactive HBDI® profile explorationPersonalized tips for communication and problem-solvingCreate 'Guesstimated' profiles for others
💼 Business
(98)
free
10
Creative Ideas - Ideation
Creative Ideas - Ideation
Creative Ideas - Ideation
Brainstorm Idea in Your Mind
Free
📊 Productivity
(0)
11
ThinqBits
ThinqBits
ThinqBits
Build thought process.
Free
📊 Productivity
(0)
12
AssumptionCheck
AssumptionCheck
AssumptionCheck
Reveal what must be true
Free
📚 Education
(0)
13
ThoughtStepper
ThoughtStepper
ThoughtStepper
Build Clear Logic Steps
Free
📚 Education
(0)
14
DebateHub
DebateHub
DebateHub
Debate. Challenge. Engage.
Free

Engage in intellectual discourse on a global platform. Share your perspective, create arguments, and explore trending topics. Discover new ideas and connect with a like-minded community.

Intellectual discourse platformCreate and defend argumentsDive into trending debates
🌐 Social Networking
(1)
free
15
Akiiro
Akiiro
Akiiro
AI Mind Map & Idea Organizer
Free
$0.99 | 100% OFF

This AI-powered mind mapping app helps you organize thoughts and ideas. Generate entire maps from a single concept and interactively build upon them. It offers flexibility for structured planning while allowing creative freedom.

AI-generated mind mapsInteractive map editingFlexible idea structuring
📊 Productivity
(4)
freemium
16
SuperThink: Stop Overthinking
SuperThink: Stop Overthinking
SuperThink: Stop Overthinking
Stop OverThinking
Free

This app provides intelligent analysis of your recorded thoughts to help you gain clarity and develop actionable steps. It identifies your thinking style and offers personalized guidance to transform insights into concrete actions for your life.

AI-powered thought analysisPersonalized thinking style insightsAction planning
🌟 Lifestyle
(1)
freemium
17
Coalesqe
Coalesqe
Coalesqe
Our beliefs could use our help
Free
🌟 Lifestyle
(0)
18
H.I
H.I
H.I
Building the Future, Together
Free
🌐 Social Networking
(0)
19
Making Sense Community
Making Sense Community
Making Sense Community
A Better Conversation
Free

A community for thoughtful discussion and idea exchange, prioritizing intellectual honesty and civil discourse. Members use real names and engage in focused conversations on diverse topics, fostering genuine connections.

Real name profilesFocused discussion threadsDirect messaging
🌐 Social Networking
(126)
free
20
ThinkingMistakes
ThinkingMistakes
ThinkingMistakes
by Jan Thiele
Free
📊 Productivity
(0)

FAQ about Thinkdiag

What are the best thinkdiag apps for iPhone?
ThinkDiag+ tops our thinkdiag apps ranking as of August 2026, with a 4.5-star average from 4.3K App Store ratings, and it's free to download.
Yes — 20 of the top thinkdiag apps we rank are free to download, including ThinkDiag+ and ThinkCar pro.
ThinkDiag+ has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 249+ thinkdiag apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The app provides OE-level diagnostic functions, including reading and clearing fault codes, analyzing data flow, reading ECU information, performing drive tests, and executing bidirectional special functions. It also supports full-function OBD II diagnosis and vehicle maintenance light resets.
The app itself is free to download and use for basic functions. However, users can subscribe to diagnostic software for specific vehicle brands and functions within the app's diagnostic software store, which incurs a cost.

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