Odmaster vs TOPDON CarPal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Program radio with mobile phone
- Supports multiple radio models
- Convenient and portable programming
- Community sharing and interaction
- Help Center and direct support
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• 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
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.
- Full System Diagnosis
- Full OBD2 Functions
- 6 Special Maintenance Functions
- AutoVIN Vehicle Identification
- Wireless Bluetooth Connection
- Diagnostic Report Generation
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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
Verdict
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
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.
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.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.
| Parameter | Odmaster | TOPDON CarPal |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (1.1K ratings) — better | 3.7 (41 ratings) |
| Positive reviews | 29.1% of reviews | 39.3% of reviews — better |
| Number of ratings | 1.1K — better | 41 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 11 — better |
| Further details — not scored | ||
| Size | 96 MB | 1.6 GB |
| Age rating | 17+ | 4+ |
| Developer | Guangzhou Billion Leiden Electronic Technology Co., Ltd. | HK TOPDON TECHNOLOGY Co., LIMITED |
Customer experience
Odmaster
TOPDON CarPal
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
Odmaster
No in-app purchases
TOPDON CarPal
- Monthly Auto-renewal$4.991 Month
- Renewal Bundle$29.991 Year
- Nissan Gateway 1-Token$11.99
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- VW SFD Gateway 1-year Access$199.99
- Renault Gateway 10 Tokens$209.99
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- Renault Gateway 20 Tokens$379.00
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