Comparison

Hatz HDS²lite vs TopGuru

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

Head to head
About

Hatz HDS²lite

Diagnose Hatz diesel engines wirelessly using your smartphone or tablet. Read error codes, view operating values, reset maintenance indicators, and generate engine reports. Requires the HDS²lite adapter for connection.

Highlights
  • Wireless error code reading
  • Display current operating values
  • Reset maintenance indicators
  • Create and send engine reports
  • Locate service partners
Read full description

The app supports you in diagnosing Hatz diesel engines via smartphone or tablet. To establish the connection with the engine, you also need the HDS²lite adapter and the adapter cable. You can buy the HDS²lite hardware at Hatz dealers and service partners (hatz.to/network). With the HDS²lite app you can easily and comfortably: Read error codes wirelessly, Display current operating values, Reset maintenance indicators, Create and send engine reports or Locate the nearest Hatz service partner. The HDS²lite app thus simplifies workshop operation or fault analysis in the field. With the help of the HDS²lite adapter, Hatz engine data from construction, agricultural and municipal machines can be transferred to your mobile device in no time at all. Prerequisite: The engine must be electronically controlled. This applies to engines of the Hatz H-Series and with Hatz E1 technology.

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

Hatz HDS²lite4 screens
TopGuru4 screens

Verdict

The call

The clearest difference is rating: Hatz HDS²lite at 5.0 against TopGuru's 3.5. Hatz HDS²lite also leads on in-app purchases (none vs 10) and iOS requirement (10.0 vs 15.0). TopGuru's advantage is update cadence (every 3 weeks vs every 9 months) and ratings volume (414 vs 1). On price, ads and device support 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 9 in-app purchases, starting at $9.99 per month. Hatz HDS²lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hatz HDS²lite holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: TopGuru has 414 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Hatz HDS²lite ships an update every 9 months, TopGuru every 3 weeks. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

Scorecard7 real differences · 4 level
Hatz HDS²lite versus TopGuru: the parameters behind the verdict, then further details
ParameterHatz HDS²liteTopGuru
PriceFreeFree
Rating5.0 (1 ratings) — better3.5 (414 ratings)
Positive reviews—29.3% of reviews
Number of ratings1414 — better
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank—#168 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size90 MB2.2 GB
Age rating4+4+
DeveloperMotorenfabrik Hatz GmbH & Co. KGHK TOPDON TECHNOLOGY Co., LIMITED

Customer experience

Hatz HDS²lite

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

TopGuru

All ratings409 ratings
Positive60.1%
Neutral8.3%
Negative31.5%
Written reviews191 reviews
Positive29.3%
Neutral13.1%
Negative57.6%

Bugs and requests

Hatz HDS²lite

Not enough reviews yet to summarise bugs or requests.

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

Hatz HDS²lite

No in-app purchases

9 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-time4
  • Diag Bundle Renewal$49.99
  • Renewal Bundle$99.00
  • 22 Special Functions Bundle2 variants$129.99
Show 1 more
  • 17 Special Functions Bundle$179.00

Questions

Is Hatz HDS²lite free?
Hatz HDS²lite 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, Hatz HDS²lite or TopGuru?
Hatz HDS²lite is rated higher. Hatz HDS²lite averages 5.0 out of 5 from 1 ratings, while TopGuru averages 3.5 from 414 ratings.
Do Hatz HDS²lite or TopGuru have ads?
Neither Hatz HDS²lite nor TopGuru shows ads.
Which is updated more often, Hatz HDS²lite or TopGuru?
Hatz HDS²lite ships an update every 9 months, and TopGuru every 3 weeks. Most recently, Hatz HDS²lite was updated on November 3, 2026 and TopGuru on November 9, 2026.

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