Comparison

Odmaster vs TopGuru

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

TopGuru

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.

Highlights
  • Full System Diagnosis
  • Full OBD2 Functions
  • Bi-directional Control
  • 8 Special Maintenance Functions
  • AutoVIN Vehicle Identification
  • Diagnostic Report Generation
  • Wireless Bluetooth 5.0 Connection
Features
Read full description

Easily link the app with your Phone or Tablet using Bluetooth, transforming your devices into a smart and high-powered diagnostic tool! Packed with essential features like complete OBDII functionality, all system diagnosis, Bi-Directional controls, AutoVIN, automatic diagnostic reports, and more, this Bluetooth OBDII scan tool is a must-have for technicians. Its versatility shines through with eight 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, Gateway, 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. Bi-directional Control: Easily locate issues with active tests. 4. 8 Special Functions: Perform Oil Reset, Throttle Adaptation, EPB Reset, BMS Reset, and more. 5. Repair Data Library: Includes DTC Repair Guide, Technical Service Bulletin, DLC Location, Warning Light Library. 6. AutoVIN: Enables automatic vehicle identification for quick diagnosis. 7. Wireless Connection: Utilizes Bluetooth 5.0 with a range of 33 feet/10m. 8. Graphs, Values, and Dashboard-like Data Display: Ensures easy interpretation of information. 9. Generate Diagnostic Reports: Obtain detailed reports for Systems, Fault Codes, or Data Streams. 10. Pro version features 13 reset functions and IMMO capability. Terms of Use (EULA): https://plat.topdon.com/topdon-plat/out-user/baseinfo/template/getHtmlContentById?softCode=TopScan_DisplaySW_iOS&language=7&type=25

Screenshots

Odmaster4 screens
TopGuru4 screens

Verdict

The call

The clearest difference is in-app purchases: Odmaster at none against TopGuru's 29. Odmaster also leads on rating (3.8 vs 3.5). TopGuru's advantage is chart position (#189 vs unranked) and iOS requirement (11.0 vs 14.0). On price, review sentiment, ratings volume and update cadence 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. TopGuru sells 20 in-app purchases, starting at $9.99 per month. Odmaster asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Odmaster holds the better App Store score, 3.8 against 3.5. Both are backed by a comparable volume of ratings — 1.1K and 404 respectively. Written reviews split almost evenly too, at 29% and 29% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 6 level
Odmaster versus TopGuru: the parameters behind the verdict, then further details
ParameterOdmasterTopGuru
PriceFreeFree
Rating3.8 (1.1K ratings) — better3.5 (404 ratings)
Positive reviews29.1% of reviews29.3% of reviews — better
Number of ratings1.1K — better404
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#189 — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size96 MB2.2 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%

TopGuru

All ratings404 ratings
Positive60.4%
Neutral8.4%
Negative31.2%
Written reviews188 reviews
Positive29.3%
Neutral13.3%
Negative57.4%

User reviews

Odmaster

From 1.1K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Convenient mobile programming
  • 💡 Helpful community features

Room to improve

  • 🐛 Frequent crashes and bugs
  • 🔒 Poor account registration process
  • 🔋 High battery drain
  • 👎 Unreliable Bluetooth connectivity

TopGuru

From 404 App Store ratings

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
  • 💰 Subscription model after initial purchase

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

TopGuru

Reported bugs

3 issues
  • Incompatibility with certain vehicle models
  • Login and account issues
  • Unreliable Bluetooth connectivity

Requested features

3 requests
  • iPad optimization and full-screen support
  • Expanded vehicle coverage, especially for motorcycles
  • Ability to save and export diagnostic data

In-app purchases

None

Odmaster

No in-app purchases

20 purchases

TopGuru

Subscriptions5
  • Monthly Auto-renewal$9.991 Month
  • Monthly Auto-renewal$19.001 Month
  • Quarterly Auto-renewal$24.993 Months
Show 2 more
  • Annual Auto-renewal$49.991 Year
  • Annual Auto-renewal$99.001 Year
One-time15
  • Diag Bundle Renewal3 variants$49.99
  • TopGuru Diagnostic Bundle$49.99
  • TopGuru IMMO Bundle$49.99
Show 12 more
  • Renewal Bundle4 variants$99.00
  • TopScan Pro Renewal Bundle3 variants$99.00
  • Harley Moto Software$99.99
  • Harley Moto Software Renewal$99.99
  • Moto Diag Bundle Renewal-Moto$99.99
  • Moto Diag Bundle$99.99
  • Moto Diag Bundle Renewal$99.99
  • 22 Special Functions Bundle2 variants$129.99
  • Renault Gateway 10 Tokens$129.99
  • Renault Gateway 5 Tokens$147.99
  • 17 Special Functions Bundle2 variants$179.00
  • FCA Gateway 1-year (EU only)$229.99

Questions

Is Odmaster free?
Odmaster is free to download, with no in-app purchases.
Is TopGuru free?
TopGuru is free to download, with in-app purchases available.
Which has better reviews, Odmaster or TopGuru?
Odmaster is rated higher. Odmaster averages 3.8 out of 5 from 1.1K ratings, while TopGuru averages 3.5 from 404 ratings.
Do Odmaster or TopGuru have ads?
Neither Odmaster nor TopGuru shows ads.
Which is updated more often, Odmaster or TopGuru?
Odmaster ships an update every 3 weeks, and TopGuru every 3 weeks. Most recently, Odmaster was updated on September 22, 2026 and TopGuru on September 23, 2026.

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