SA vs Quantum Service Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SA
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Birth for iPad of SMARTASSIST-Direct SMARTASSIST - Direct, To support installation and maintenance services of Yanmar products' electronic control products (hereinafter referred to as ECU) Application. It is an application dedicated to those who maintain Yanmar products (service man). ■Main function ■ ● Diagnosis Connected to the ECU (controller), View the measurement data and save data of the ECU, and perform an operational test, adjustments and settings. View and compare the saved data of the ECU. ● Fault diagnosis - Diagnostic Codes This function displays current and past failures detected by the ECU. ● Fault diagnosis - Diagnostic Tests This function allows to separately test the input/output device. ● Fault diagnosis - Data Loggong This function is gathered logged data that can determine defects and analyze the operating status during operation of the product. ● Fault diagnosis - Historical Data This function display the product's operating data saved to the ECU/controller. ● Fault diagnosis - ECU Structures This function displays the ID information of the product's electronic control system/ECU/controller. ● Fault Diagnosis - System Settings When delivery of products to customers, ECU / controller · fuel injection pump · fuel injection valve (injector) · various sensors / switches It is a setting value change function necessary for exchanging, repairing and adjusting work of kind. ●ECU Reprogramming This function accesses the server, downloads the latest version of the ECU software, performs the ECU exchange, and updates the ECU software. Also, results of ECU replacement and ECU software update are uploaded to the server to keep machine history. ●Componet Replacement This function exchanges various parts and write correction values. ●Troubleshooting Viewing This function searchs and downloads the data used for the manual link, and refers to the manual. ●Service Campaign This function downloads, writes and deletes campaign writing software. ※Exclusive ID, password is necessary to use this application. ※When I carry out a trouble diagnosis, Wireless I/FBOX made in Yanmar is necessary separately. ■Recommended OS iPad OS 18.0 or later recommended ■ Recommended terminal iPad mini6, iPad7, iPad11 ※ Any place other than the recommended terminal, I may not work normally. ※ At the time of the first start, data communication is necessary.
Quantum Service Tool
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Quantum Service is the app for you who install a Quantum tiltrotator control system. The app gives you access to all settings in the control system. Connect wirelessly (Bluetooth) to excavators equipped with Quantum control systems and get access to many smart functions, for example: - User-friendly and fast access to all settings in the control system - Gives you the tools (authorization required) to provide remote support to end-users of Quantum - Auto calibration of the tiltrotator - Flexible joystick configuration - Easy adjustment of valve settings - Downloading and uploading machine-specific configurations - Easy access to software updates of control system devices - Profile management - Analysis tool for the entire control system - Error code handler For full functionality, Bluetooth and an Internet connection are required.
Verdict
The clearest difference is update cadence: Quantum Service Tool at fortnightly against SA's every 3 months. Quantum Service Tool also leads on iOS requirement (11.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
SA ships an update every 3 months, Quantum Service Tool fortnightly. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.
| Parameter | SA | Quantum Service Tool |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPad |
| Requires iOS | 17.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 62 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | YANMAR INFORMATION SYSTEM SERVICE CO. LTD | SVAB Hydraulik AB |
In-app purchases
SA
No in-app purchases
Quantum Service Tool
No in-app purchases









