Comparison

OBD Quest vs DeepScan OBD2 Scanner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OBD Quest

Decode and understand car diagnostic trouble codes with this comprehensive interpreter. It provides detailed insights into fault codes, potential causes, and repair recommendations, complementing your existing OBD2 scanning tools. Access a vast database of codes across multiple languages and car brands to diagnose issues with confidence.

Highlights
  • Interpretation of over 85,000 OBD2 codes
  • Multilingual support (English, French, Italian, German, Portuguese, Spanish)
  • Extensive coverage across auto makes and brands
  • Detailed insights for each code search
  • Unlimited code searches
  • AI-powered code interpretation
Features
Read full description

Unlock the ultimate power of OBD2 code interpretation with OBDQuest, your comprehensive solution for decoding, understanding and diagnosing car issues. Whether you're looking up a specific DTC fault code definition, or utilizing an OBD2 car scanner, OBDQuest will be your work companion you ever needed to provide unmatched insights into each individual fault code. Don’t get confused, this simple yet innovative application exploiting the power of AI along with comprehensive OBDii SAE/ISO databases is complementing your daily scanning tools below: obd2 scanner, torque obd2, bluedriver obd2 scan tool, car scanner, car scanner elm obd2, carista, obd fusion, forscan, obdlink, obd11, obdeleven, bimmerlink, veepeak, dash command, elm obd2, carly obd2 car scanner, JScan, repair solutions 2, torque pro, bootmod3, FIXD OBD2 Scanner, autocodes, DtcFix, DTCs Fix, obd jscan, OBDocker, torque lite, ScanMaster, car scanner, Dr. Prius, Carly, HobDrive etc. If you use any of those tools already, keep on using them along with OBDQuest to get more insights of the fault code and ease your car diagnostics. Key Features: 1. Interpretation of over 85,000 OBD2 codes 2. Multilingual support in English, French, Italian, German, Portuguese, and Spanish 3. Extensive coverage across various auto makes and brands 4. Detailed insights for each code search, covering potential symptoms, likely causes, primary components affected, recommended fixes, estimated repair costs, and risk assessment. 5. Unlimited code searches, empowering you to tackle any issue with confidence. OBDQuest isn't just another OBD2 app; it's your trusted companion for navigating the complexities of car diagnostics. Don't let trouble codes hold you back; harness the power of OBDQuest and drive with confidence. EULA - End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy : https://obdquest.com/privacy-policy/

About

DeepScan OBD2 Scanner

Transform your phone into a powerful car diagnostic tool. Access full system diagnostics, special maintenance functions, and bi-directional controls. Generate detailed reports and utilize a comprehensive repair data library.

Highlights
  • Full system diagnosis
  • Special maintenance functions
  • Bi-directional controls
  • Automatic diagnostic reports
  • Repair data library
  • Wireless Bluetooth 5.0 connection
Features
Read full description

Connect the DeepScan to your Phone via Bluetooth and turn your devices into a smart and powerful diagnostic tool! The Bluetooth OBDII scan tool is loaded with essential features such as full OBDII functionality, full system diagnosis, Bi-Directional controls, AutoVIN, automatic diagnostic reports, and more. 8 maintenance service functions and coverage for 100+ vehicle brands make the DeepScan a versatile and portable auto scanner for technicians. Key Features: 1. Full System Diagnosis: Engine, Transmission, Airbag, ABS, ESP, TPMS, Immobilizer, Gateway, Steering, Radio, Air Conditioning and more. 2. All-system diagnostic basic functions: access ECU info, read fault codes, clear fault codes, read data stream. 3. 13 special functions: Oil Reset, Throttle Adaptation, EPB Reset, BMS Reset, and more. 4. Bi-directional control to target problems easily. 5. Wireless Connection, Bluetooth 5.0 with a range of 33 feet/10m. Works on iOS 11.0 or above, compact and portable. 6. Repair Data Library: DTC Repair Guide, Technical Service Bulletin, DLC Location, Warning Light Library. 7. Graph, value and dashboard-like data display for easy interpretation.  8. Generate Diagnostic reports for System, Fault Codes, or Data Streams. 9. Feedback function enables users to submit issues and requests to us in a convenient way. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OBD Quest4 screens
DeepScan OBD2 Scanner4 screens

Verdict

The call

The clearest difference is ads: DeepScan OBD2 Scanner at none against OBD Quest's shown. DeepScan OBD2 Scanner also leads on iOS requirement (11.0 vs 14.0.0). OBD Quest's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. OBD Quest sells 3 in-app purchases, starting at $9.99 per month and DeepScan OBD2 Scanner sells 18 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for OBD Quest against 5.0 for DeepScan OBD2 Scanner. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

OBD Quest ships an update every 3 weeks, DeepScan OBD2 Scanner every 2 months. The most recent releases landed on June 1, 2026 and July 31, 2026 respectively.

Scorecard3 real differences · 6 level
OBD Quest versus DeepScan OBD2 Scanner: the parameters behind the verdict, then further details
ParameterOBD QuestDeepScan OBD2 Scanner
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0.011.0 — better
Further details — not scored
Size54 MB2.0 GB
Age rating4+4+
DeveloperShop Booster LtdChangsha Angsi E-commerce Co., Ltd.

Customer experience

OBD Quest

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

DeepScan OBD2 Scanner

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

OBD Quest

Subscriptions2
  • Monthly Pro Plan$9.991 Month
  • Yearly Pro Plan$99.991 Year
One-time1
  • Pro Plan for 3 days only$0.99
18 purchases

DeepScan OBD2 Scanner

Subscriptions3
  • Monthly Auto-renewal$9.991 Month
  • Quarterly Auto-renewal$24.993 Months
  • Annual Auto-renewal$49.991 Year
One-time15
  • 22 Special Functions Bundle2 variants$129.99
  • Renault Gateway 5 Tokens$147.99
  • Nissan Gateway 5 Tokens (EU only)$147.99
Show 12 more
  • Nissan Gateway 5 Tokens (EU only)$147.99
  • Renault Gateway 5 Tokens$147.99
  • FCA Gateway 1-year Access (EU only)$229.99
  • VW SFD Gateway 1-year Access$229.99
  • Renault Gateway 10 Tokens$254.99
  • Nissan Gateway 10 Tokens (EU only)$254.99
  • Renault Gateway 10 Tokens$254.99
  • Nissan Gateway 10 Tokens (EU only)$254.99
  • Renault Gateway 20 Tokens$464.99
  • Nissan Gateway 20 Tokens (EU only)$464.99
  • Renault Gateway 20 Tokens$464.99
  • Nissan Gateway 20 Tokens (EU only)$464.99

Questions

Is OBD Quest free?
OBD Quest is free to download, with in-app purchases available.
Is DeepScan OBD2 Scanner free?
DeepScan OBD2 Scanner is free to download, with in-app purchases available.
Which has better reviews, OBD Quest or DeepScan OBD2 Scanner?
OBD Quest and DeepScan OBD2 Scanner are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do OBD Quest or DeepScan OBD2 Scanner have ads?
OBD Quest shows ads; DeepScan OBD2 Scanner does not.
Which is updated more often, OBD Quest or DeepScan OBD2 Scanner?
OBD Quest ships an update every 3 weeks, and DeepScan OBD2 Scanner every 2 months. Most recently, OBD Quest was updated on June 1, 2026 and DeepScan OBD2 Scanner on July 31, 2026.

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