Best Jscan Apps

249+ iOS apps curated and reviewed

3.2 avg rating
19 free apps
Updated November 2026

Out of 249+ jscan apps on iOS, 19 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 Jscan Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1OBD JScanOBD JScanFree4.7★ (1.3K)NoYesNov 2026
2JScan - Japan TranslatorJScan - Japan TranslatorFree4.0★ (4)NoYesNov 2026
3Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (33K)YesYesNov 2026
4JScan: Smart PDF & DocumentJScan: Smart PDF & DocumentFree—NoYesOct 2026
5smartscanprototypesmartscanprototypeFree—NoNoMay 2026
6Mobile CleverScanMobile CleverScanFree—NoNoMay 2026
7PortScan – Port ScannerPortScan – Port ScannerFree—NoNoNov 2026
8PDF Document Scanner-LivePDF Document Scanner-LiveFree—YesNoMay 2026

Top Picks for Jscan

4.7😊(1.3K ratings)
FreeIn-App Purchases
OBD JScan screenshot 1
OBD JScan screenshot 2
OBD JScan screenshot 3
OBD JScan screenshot 4
OBD JScan screenshot 5
OBD JScan screenshot 6

This diagnostic application provides in-depth access to vehicle modules, allowing users to read and clear trouble codes, view live sensor data, and access vehicle settings. It supports a wide range of Jeep, Chrysler, and Dodge models, offering powerful customization and diagnostic features.

What We Love

  • 🚀 Easy to use
  • 🔧 Powerful customization options
  • 👍 Excellent customer support
  • 💡 Useful diagnostic and monitoring features
  • 🔓 Enables features otherwise locked by dealer
  • ⚙️ Comprehensive vehicle compatibility

Room to Improve

  • 🐛 Occasional connectivity issues
  • 🔌 Requires additional hardware purchase
  • ⚠️ Compatibility issues with newer vehicle models
  • 🕰️ Slow performance in certain scenarios
JScan - Japan Translator#2

JScan - Japan Translator by Chun Chih Lin

Travel, Scan & Shop Smart
Strong Contender
✈️ Travel
4.0(4 ratings)
FreeIn-App Purchases
JScan - Japan Translator screenshot 1
JScan - Japan Translator screenshot 2
JScan - Japan Translator screenshot 3
JScan - Japan Translator screenshot 4
JScan - Japan Translator screenshot 5

Instantly translate Japanese menus, signs, and product information using your camera. Understand omikuji fortunes, discover local food, and shop smarter with AI-powered analysis. Perfect for exploring Japan with fewer language barriers.

Car Scanner ELM OBD2#3

Car Scanner ELM OBD2 by Stanislav Svistunov

The best OBD2 diagnostic tool!
Worth Considering
🔧 Utilities
4.8😊(33K ratings)
FreeAdsIn-App Purchases
Car Scanner ELM OBD2 screenshot 1
Car Scanner ELM OBD2 screenshot 2
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Car Scanner ELM OBD2 screenshot 4
Car Scanner ELM OBD2 screenshot 5
Car Scanner ELM OBD2 screenshot 6

Monitor your car's real-time performance, diagnose fault codes, and access detailed sensor data. Customize your dashboard with various gauges and charts, and even reset diagnostic trouble codes. This tool helps you understand your vehicle's health and potentially reduce repair costs.

What We Love

  • 🚀 Works great with cheap OBD2 adapters
  • 👍 Highly customizable dashboard
  • 👍 Comprehensive sensor data
  • 👍 Helpful error code lookup
  • 👍 Frequent updates
  • 👍 Affordable pro version
  • 👍 Supports many vehicle makes/models

Room to Improve

  • 🐛 Occasional connection issues
  • 🐛 Incorrect sensor readings for some vehicles
  • 🐛 Crashes or freezes on some devices
  • 🔋 Drains battery when left running

More Jscan apps to explore

FAQ about Jscan

What are the best jscan apps for iPhone?
OBD JScan tops our jscan apps ranking as of November 2026, with a 4.7-star average from 1.3K App Store ratings, and it's free to download.
Yes — 19 of the top jscan apps we rank are free to download, including OBD JScan and JScan - Japan Translator.
OBD JScan has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 249+ jscan apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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