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Best Xdiag Apps

10+ iOS apps curated and reviewed

3.8 avg rating
9 free apps
Updated June 2026

Out of 10+ xdiag apps on iOS, 9 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 Xdiag Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1EdiagEdiagFree4.3★ (1.4K)NoNoSep 2026
2ThinkDiag+ThinkDiag+Free4.5★ (4.3K)NoNoSep 2026
3Uwants - 香港動漫手遊討論平台Uwants - 香港動漫手遊討論平台Free5.0★ (2)YesNoJul 2026
4Cruncher Technology NewsCruncher Technology NewsFree—NoNoSep 2026
5Katch - Dates made SimpleKatch - Dates made SimpleFree—NoYesSep 2026
6xkcd randomxkcd randomFree3.0★ (1)—NoMay 2026
7manaba 出席manaba 出席Free—NoNoJul 2026
8XRUMBLEXRUMBLEFree—YesYesAug 2026

Top Picks for Xdiag

Ediag#1

Ediag by Shenzhen Kingbolen Electrics Technology Co., Ltd.

Editor's Choice
🌟 Lifestyle
4.3😐(1.4K ratings)
Free
Ediag screenshot 1

Perform comprehensive vehicle diagnostics, including reading data flow, fault codes, and vehicle information. Generate professional diagnostic reports for major automobile manufacturers. Features one-key diagnosis and automatic VIN reading.

What We Love

  • ✅ Comprehensive diagnostic information and functionality
  • 🎯 Works well for specific vehicle models (Chevy, Acura, etc.)
  • 💪 Advanced features like glow plug programming and ECU coding
  • 📱 Helpful AI and YouTube integration for guidance
  • 🔧 Good value for price compared to expensive scan tools
  • ⚡ Robust system diagnostics and troubleshooting capabilities

Room to Improve

  • 💰 Hidden subscription fees for special functions ($19.99 each)
  • 🐛 App crashes frequently after updates
  • ❌ Poor vehicle compatibility with newer models (2023+)
  • 🔐 Requires location data and network connectivity
  • 😕 Confusing user interface and unclear section titles
  • ⏱️ Slow performance and communication errors
  • 🚫 Limited functionality for many vehicle modules
  • 📵 Doesn't work with iPhone/iOS devices
  • 🆘 No customer support or response to inquiries
  • 🎮 Overly complicated for non-mechanics
  • 🔄 Initial setup issues requiring 24-hour wait
  • 🗂️ Duplicate data source names causing confusion
ThinkDiag+#2

ThinkDiag+ by THINKCAR INC

Strong Contender
🔧 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
  • 🚀 Versatile for DIY and professionals
  • 🚀 Reliable and accurate
  • 🚀 Extensive vehicle coverage

Room to Improve

  • 🐛 Occasional crashes or freezes
  • 🐛 Compatibility issues with certain vehicles
  • 🔒 Concerns about annual subscription fees
  • 🔒 Limited functionality on iOS devices

More Xdiag apps to explore

FAQ about Xdiag

What are the best xdiag apps for iPhone?
Ediag tops our xdiag apps ranking as of June 2026, with a 4.3-star average from 1.4K App Store ratings, and it's free to download.
Yes — 9 of the top xdiag apps we rank are free to download, including Ediag and ThinkDiag+.
Ediag has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 10+ xdiag apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
This app provides full-function vehicle diagnostics. It allows you to read data flow, clear fault codes, and retrieve vehicle information. It supports a wide range of automobile manufacturers.
Key features include full-function diagnosis, reading live data, clearing fault codes, and accessing vehicle information. It also offers one-key diagnosis, automatic VIN reading, and the ability to generate professional diagnostic reports.