Comparison

Odmaster vs TOPDON CarPal

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

Head to head
About

Odmaster

This application allows users to program various radio models directly from their mobile phones, eliminating the need for a computer. It offers a convenient and portable solution for radio programming and includes a community feature for sharing content and interacting with other users.

Highlights
  • Program radio with mobile phone
  • Supports multiple radio models
  • Convenient and portable programming
  • Community sharing and interaction
  • Help Center and direct support
Features
Read full description

• Use Odmaster to program your radio faster and easier. Multiple radio models are set in the application. At the same time, you can share interesting content on the community page. Bring you a different experience! • • Program radio • (Tips:this function requires a Bluetooth programmer device) • • Program radio with mobile phone instead of computer easily • • Program radio conveniently, anytime and anywhere • • Program multiple models of radios • • Remote programming radio when you don’t know how to program • • Social function • • Can post something interesting on it • • Give someone a like • • Make comments on others posts • • Help&Support • • If you have any problems during using App, you can find the answers in Help Center, or contact us. • • ► Get some programming information in our YouTube website: • https://www.youtube.com/channel/UCW5VMOpgmTdUQq5ZqyIL2hA/videos • ► Contact detail: E-mail: odmaster@tid-china.com • ► Online manual:https://bit.ly/tidmanual

About

TOPDON CarPal

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.

Highlights
  • Full System Diagnosis
  • Full OBD2 Functions
  • 6 Special Maintenance Functions
  • AutoVIN Vehicle Identification
  • Wireless Bluetooth Connection
  • Diagnostic Report Generation
Features
Read full description

Easily link the app with your Phone using Bluetooth, transforming your devices into a smart and high-powered diagnostic tool! Packed with essential features like complete OBDII functionality, all system diagnosis, AutoVIN, automatic diagnostic reports, and more, this Bluetooth OBDII scan tool is a must-have for your car. Its versatility shines through with 6 maintenance service functions and coverage for over 60 vehicle brands, making the product a portable and adaptable auto scanner. Main Features: 1. Full System Diagnosis: Covers Engine, Transmission, Airbag, ABS, ESP, TPMS, Immobilizer, Steering, Radio, Air Conditioning, and more. 2. Full OBD2 Functions: works as an OBD2 code reader and performs all 10 modes of OBD2 testing free for life. 3. 6 Special Functions: Perform Oil Reset, Throttle Adaptation, EPB Reset, BMS Reset, and more. 4. Repair Data Library: Includes DTC Repair Guide, Technical Service Bulletin, DLC Location, Warning Light Library. 5. AutoVIN: Enables automatic vehicle identification for quick diagnosis. 6. Wireless Connection: Utilizes Bluetooth 5.0 with a range of 33 feet/10m. 7. Graphs, Values, and Dashboard-like Data Display: Ensures easy interpretation of information. 8. Generate Diagnostic Reports: Obtain detailed reports for Systems, Fault Codes, or Data Streams. Terms of Use (EULA): https://plat.topdon.com/topdon-plat/out-user/baseinfo/template/getHtmlContentById?softCode=Car_Pal_DisplaySW_iOS&language=7&type=25

Screenshots

Odmaster4 screens
TOPDON CarPal4 screens

Verdict

The call

The clearest difference is in-app purchases: Odmaster at none against TOPDON CarPal's 18. Odmaster also leads on ratings volume (1.1K vs 41). TOPDON CarPal's advantage is review sentiment (39% vs 29%) and iOS requirement (11 vs 14.0). On price, rating, update cadence and ads 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. TOPDON CarPal sells 18 in-app purchases, starting at $4.99 per month. Odmaster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.8 for Odmaster against 3.7 for TOPDON CarPal. That said, the two scores are not equally well evidenced: Odmaster has 1.1K ratings behind it against 41, so its average is the more settled of the two. Written reviews are what separate them: 29% of Odmaster's written reviews are positive against 39% of TOPDON CarPal's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

Scorecard5 real differences · 5 level
Odmaster versus TOPDON CarPal: the parameters behind the verdict, then further details
ParameterOdmasterTOPDON CarPal
PriceFreeFree
Rating3.8 (1.1K ratings) — better3.7 (41 ratings)
Positive reviews29.1% of reviews39.3% of reviews — better
Number of ratings1.1K — better41
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.011 — better
Further details — not scored
Size96 MB1.6 GB
Age rating17+4+
DeveloperGuangzhou Billion Leiden Electronic Technology Co., Ltd.HK TOPDON TECHNOLOGY Co., LIMITED

Customer experience

Odmaster

All ratings1,064 ratings
Positive67.7%
Neutral7.0%
Negative25.4%
Written reviews199 reviews
Positive29.1%
Neutral9.5%
Negative61.3%

TOPDON CarPal

All ratings41 ratings
Positive65.9%
Neutral2.4%
Negative31.7%
Written reviews56 reviews
Positive39.3%
Neutral3.6%
Negative57.1%

Bugs and requests

Odmaster

Reported bugs

3 issues
  • Unable to read or write radio data
  • Inconsistent behavior across iOS versions
  • Login and account issues

Requested features

3 requests
  • Support for more radio models
  • Ability to save and load custom channel configurations
  • Improved user interface and navigation

TOPDON CarPal

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Odmaster

No in-app purchases

18 purchases

TOPDON CarPal

Subscriptions2
  • Monthly Auto-renewal$4.991 Month
  • Renewal Bundle$29.991 Year
One-time16
  • Nissan Gateway 1-Token$11.99
  • Renault Gateway 1-Token$11.99
  • VW SFD Gateway 1-Token$11.99
Show 13 more
  • FCA Gateway 1-Token$11.99
  • FCA Gateway 30-day Access$34.99
  • VW SFD Gateway 30-day Access$34.99
  • Renault Gateway 5 Tokens$116.99
  • Nissan Gateway 5 Tokens (EU only)$116.99
  • Renault Gateway 5 Tokens$147.99
  • VW SFD Gateway 1-year Access$199.99
  • Renault Gateway 10 Tokens$209.99
  • Nissan Gateway 10 Tokens (EU only)$209.99
  • Nissan Gateway 10 Tokens (EU only)$254.99
  • Renault Gateway 20 Tokens$379.00
  • Nissan Gateway 20 Tokens (EU only)$379.00
  • Nissan Gateway 20 Tokens (EU only)$464.99

Questions

Is Odmaster free?
Odmaster is free to download, with no in-app purchases.
Is TOPDON CarPal free?
TOPDON CarPal is free to download, with in-app purchases available.
Which has better reviews, Odmaster or TOPDON CarPal?
Odmaster is rated higher. Odmaster averages 3.8 out of 5 from 1.1K ratings, while TOPDON CarPal averages 3.7 from 41 ratings.
Do Odmaster or TOPDON CarPal have ads?
Neither Odmaster nor TOPDON CarPal shows ads.
Which is updated more often, Odmaster or TOPDON CarPal?
Odmaster ships an update every 3 weeks, and TOPDON CarPal every 3 weeks. Most recently, Odmaster was updated on September 24, 2026 and TOPDON CarPal on September 25, 2026.

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