Hatz HDS²lite vs TopGuru
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Wireless error code reading
- Display current operating values
- Reset maintenance indicators
- Create and send engine reports
- Locate service partners
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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.
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.
- Full System Diagnosis
- Full OBD2 Functions
- Bi-directional Control
- 8 Special Maintenance Functions
- AutoVIN Vehicle Identification
- Diagnostic Report Generation
- Wireless Bluetooth 5.0 Connection
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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
Verdict
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
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.
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.
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.
| Parameter | Hatz HDS²lite | TopGuru |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.5 (414 ratings) |
| Positive reviews | — | 29.3% of reviews |
| Number of ratings | 1 | 414 — better |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Best chart rank | — | #168 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 90 MB | 2.2 GB |
| Age rating | 4+ | 4+ |
| Developer | Motorenfabrik Hatz GmbH & Co. KG | HK TOPDON TECHNOLOGY Co., LIMITED |
Customer experience
Hatz HDS²lite
TopGuru
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
Hatz HDS²lite
No in-app purchases
TopGuru
- Monthly Auto-renewal$9.991 Month
- Monthly Auto-renewal$19.001 Month
- Quarterly Auto-renewal$24.993 Months
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- Annual Auto-renewal$49.991 Year
- Annual Auto-renewal$99.001 Year
- Diag Bundle Renewal$49.99
- Renewal Bundle$99.00
- 22 Special Functions Bundle2 variants$129.99
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- 17 Special Functions Bundle$179.00









