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Best Topscan Apps

18+ iOS apps curated and reviewed

3.9 avg rating
17 free apps
Updated May 2026

Looking for free topscan apps? 17 of our 18+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Topscan Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TopGuruTopGuruFree3.5★ (382)NoYesJul 2026
2TopScan VAGTopScan VAGFree2.5★ (6)NoNoJul 2026
3TOPDON CarPalTOPDON CarPalFree3.7★ (35)NoYesJul 2026
4TopScan for BimmersTopScan for BimmersFree5.0★ (1)NoNoMay 2026
5Car Scanner ELM OBD2Car Scanner ELM OBD2Free4.8★ (31K)YesYesJul 2026
6TopInfraredTopInfraredFree3.6★ (42)NoYesJul 2026
7小车探小车探Free—NoNoMay 2026
8OBD2™ Car Scanner・ELM 327 ScanOBD2™ Car Scanner・ELM 327 ScanFree2.9★ (13)NoYesJul 2026

Top Picks for Topscan

TopGuru#1

TopGuru by HK TOPDON TECHNOLOGY Co., LIMITED

Editor's Choice
🔧 Utilities
3.5😞(382 ratings)
FreeIn-App Purchases
TopGuru screenshot 1
TopGuru screenshot 2
TopGuru screenshot 3
TopGuru screenshot 4
TopGuru screenshot 5
TopGuru screenshot 6

Transform your phone or tablet into a powerful vehicle diagnostic tool via Bluetooth. Access full system diagnosis, OBDII functions, bi-directional controls, and essential maintenance services for a wide range of car brands. Generate detailed diagnostic reports for efficient troubleshooting.

What We Love

  • 👍 Works well on most vehicles
  • 🚀 Powerful features for the price
  • 💡 Useful for DIY and professional mechanics

Room to Improve

  • 🐛 Frequent app crashes and bugs
  • ⏱️ Slow and cumbersome to use due to constant updates
  • 🔒 Concerns about data privacy and security
TopScan VAG#2

TopScan VAG by ShenZhen Topdon Technology Co.,Ltd

Smart Scanner In Your Pocket
Strong Contender
🔧 Utilities
2.5(6 ratings)
Free
TopScan VAG screenshot 1
TopScan VAG screenshot 2
TopScan VAG screenshot 3
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TopScan VAG screenshot 5

This app transforms your phone into a powerful car diagnostic tool for Volkswagen models. It offers full system diagnosis, bi-directional controls, and special maintenance functions. Connects wirelessly via Bluetooth for easy vehicle identification and detailed reports.

TOPDON CarPal#3

TOPDON CarPal by HK TOPDON TECHNOLOGY Co., LIMITED

OBDII Diagnostic Scan Tool
Worth Considering
🔧 Utilities
3.7(35 ratings)
FreeIn-App Purchases
TOPDON CarPal screenshot 1
TOPDON CarPal screenshot 2
TOPDON CarPal screenshot 3
TOPDON CarPal screenshot 4
TOPDON CarPal screenshot 5
TOPDON CarPal screenshot 6

Transform your phone into a powerful car diagnostic tool with this app. It offers comprehensive system scans, full OBDII functionality, and specialized maintenance services for a wide range of vehicle brands. Easily identify issues, access repair data, and generate detailed reports wirelessly.

More Topscan apps to explore

4
TopScan for Bimmers
TopScan for Bimmers
TopScan for Bimmers
Smart Scanner In Your Pocket
Free

Transform your phone into a powerful car diagnostic tool. Connect via Bluetooth to perform full system scans, access live data, and execute special maintenance functions. Generate detailed reports and identify issues with bi-directional controls.

Full-system diagnosisBi-directional controlsAutoVIN vehicle identification
🔧 Utilities
(1)
free
5
Car Scanner ELM OBD2
Car Scanner ELM OBD2
Car Scanner ELM OBD2
The best OBD2 diagnostic tool!
Free

Monitor your car's performance, diagnose engine issues, and view sensor data in real-time. Customize your dashboard with gauges and charts, and reset fault codes. Supports a wide range of vehicles and offers advanced features for specific car brands.

Real-time sensor dataOBD fault code reading and resettingCustomizable dashboard with gauges
🔧 Utilities
(31K)
free with in-app purchases
6
TopInfrared
TopInfrared
TopInfrared
Thermal camera for iOS devices
Free

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

High-resolution thermal imaging (256x192)Precise temperature detectionInsulation inspection
🔧 Utilities
(42)
free with in-app purchases
7
小车探
小车探
小车探
by ShenZhen Topdon Technology Co.,Ltd
Free
🔧 Utilities
(0)
8
OBD2™ Car Scanner・ELM 327 Scan
OBD2™ Car Scanner・ELM 327 Scan
OBD2™ Car Scanner・ELM 327 Scan
OBD Diagnostics・Repair Doctor
Free

Transform your smartphone into a powerful OBD2 diagnostic tool. Read and clear fault codes, monitor real-time performance metrics, and test your vehicle's acceleration and emissions. Compatible with a wide range of car brands and OBD2 scanners.

Universal OBD2 scanner compatibilityRead and erase fault codesReal-time performance metrics
🔧 Utilities
(13)
freemium
9
Check ID Scanner
Check ID Scanner
Check ID Scanner
Fast ID Barcode Verification
Free
$8.00 | 100% OFF

Instantly verify driver's licenses and IDs for events and venues. This app offers fast barcode scanning, age verification, and guest list management. It works offline and prioritizes user privacy by keeping data on your device.

Instant ID barcode scanningAge verificationMobile driver's license support
💼 Business
(10)
free with in-app purchases
10
HSBC SVNS
HSBC SVNS
HSBC SVNS
The Official Series App
Free

Follow the 2025-2026 rugby sevens season with live scores, match stats, and highlights. Explore team and player profiles, view the full calendar, and receive personalized notifications for tournaments worldwide.

Live scores and match statsMatch highlights and video contentFull tournament calendar and fixtures
⚽ Sports
(4.2K)
free
11
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
Car Scanner OBD2 Torque Pro
OBD2 Scan for Car Diagnostic
Free

This app transforms your device into a powerful car diagnostic tool. It allows you to monitor real-time sensor data, read and interpret diagnostic trouble codes (DTCs), and access detailed information about your vehicle's systems. Compatible with most cars manufactured after 1996.

Real-time sensor data monitoringRead and interpret DTCsAccess Parameter Identification Codes (PIDs)
🔧 Utilities
(883)
free with in-app purchases
12
eHMU
eHMU
eHMU
by Koolsoft
Free

Access and manage school information, including class schedules, teacher and student details, and important announcements. This app helps students and staff stay organized with reminders and quick lookups for academic data.

Class and timetable informationTeacher and student lookupSchedule reminders
📚 Education
(3)
free
13
Scanmarker Reader
Scanmarker Reader
Scanmarker Reader
by Topscan ltd.
Free

This app digitizes printed text scanned by a pen-shaped device, aiding individuals with reading difficulties. It offers customizable reading experiences, including live reading, speed adjustment, and word highlighting, to enhance fluency and comprehension.

Scan printed text to digital formatLive reading while scanningAdjustable reading speed
📚 Education
(3)
free
14
eScan TPN
eScan TPN
eScan TPN
by MicroWorld Technologies Inc
Free
💼 Business
(0)
15
TSGScan
TSGScan
TSGScan
TSG Mobile Scanning App
Free
💼 Business
(0)
16
Scanmarker Keyboard
Scanmarker Keyboard
Scanmarker Keyboard
by Topscan ltd.
Free
📚 Education
(0)
17
MamaMeet: Find Mom Friends
MamaMeet: Find Mom Friends
MamaMeet: Find Mom Friends
Connect & Chat with Local Moms
Free
🌐 Social Networking
(0)

FAQ about Topscan

What are the best topscan apps for iPhone?
TopGuru tops our topscan apps ranking as of May 2026, with a 3.5-star average from 382 App Store ratings, and it's free to download.
Yes — 17 of the top topscan apps we rank are free to download, including TopGuru and TopScan VAG.
TopGuru has no ads and offers in-app purchases, according to its App Store listing as of May 2026.
We track 18+ topscan apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
This app transforms your phone or tablet into a smart diagnostic tool by connecting to your vehicle via Bluetooth. It provides comprehensive features for vehicle diagnosis, including full system scans, OBDII functionality, bi-directional controls, and various maintenance services.
Key features include full system diagnosis for numerous vehicle modules, all 10 modes of OBD2 testing, bi-directional control for active tests, eight special maintenance functions like Oil Reset and EPB Reset, AutoVIN for quick identification, and the ability to generate detailed diagnostic reports.

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