Comparison

SLC Assist vs TopGuru

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

Head to head
About

SLC Assist

Features
Read full description

Schmersal SLC Assist informs you about the diagnosis and configuration data of your Schmersal safety light curtain via Bluetooth interface. You do not only have all information about your safety light curtain available, SLC Assist is also an important tool for installation, service and documentation. Device and configuration data With the device data you get general information about the light curtain such as the type, the serial number, the protective field resolution and the field height. In device configuration you see the functions which have been parameterized and are enabled. Device status With the display of the device status you see the signal strength of each individual beam in real time, the active operation mode, the status of the OSSD outputs and the status of the protective field. It is self-evident that you see if the protective area is interrupted. Alignment and installation of a light curtain When you align the light curtain, you will use the display of the signal strength of each beam. One star is shown if the quality of the alignment is to be improved. Three stars are displayed when the alignment is perfect. Service and maintenance With a counter you are informed about the number of switching cycles. With this information you will schedule e.g. the service cycles of the safety relay module. The operating hours are shown to define the intervals for the intermediate checks. Documentation To archive the device information and the device data you save the actual status on your smartphone or tablet. This facilitates the documentation e.g. after a functional or intermediate inspection. Additional you may send the actual status via email to store it to your document server. For an optimal commissioning and best possible use of operation you may download the operation manual directly from the app to your smartphone or tablet. The light curtain with bluetooth interface and the related Schmersal app is the optimal tool and assists you by - Condition monitoring - Optimal alignment - Preventive maintenance - Documentation according to national safety regulations Safety distance calculation Schmersal SLC Assist calculates the safety distance in accordance with the EN ISO 13885:2010 standard. The safety distance is carried out for the application areas where the protective field is vertical to the approach direction. The calculation applies exclusively to industrial applications! Product selection Product selection based on specification and functions. For more information visit www.schmersal.com

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

SLC Assist4 screens
TopGuru4 screens

Verdict

The call

The clearest difference is in-app purchases: SLC Assist at none against TopGuru's 10. SLC Assist also leads on iOS requirement (13.0 vs 15.0). TopGuru's advantage is update cadence (every 3 weeks vs every 4 months) and chart position (#164 vs unranked). 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. SLC Assist asks for nothing beyond the download.

UpkeepUpdate frequency

SLC Assist ships an update every 4 months, TopGuru every 3 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 7 level
SLC Assist versus TopGuru: the parameters behind the verdict, then further details
ParameterSLC AssistTopGuru
PriceFreeFree
Rating—3.5 (414 ratings) — better
Positive reviews—29.3% of reviews
Number of ratings—414 — better
Update frequencyEvery 4 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#164 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size1 MB2.2 GB
Age rating4+4+
DeveloperK.A. Schmersal GmbH & Co. KG.HK TOPDON TECHNOLOGY Co., LIMITED

Bugs and requests

SLC Assist

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

SLC Assist

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 SLC Assist free?
SLC Assist is free to download, with no in-app purchases.
Is TopGuru free?
TopGuru is free to download, with in-app purchases available.
Do SLC Assist or TopGuru have ads?
Neither SLC Assist nor TopGuru shows ads.
Which is updated more often, SLC Assist or TopGuru?
SLC Assist ships an update every 4 months, and TopGuru every 3 weeks. Most recently, SLC Assist was updated on November 7, 2026 and TopGuru on November 9, 2026.

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