Comparison

SA vs dejiren

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

Head to head
About

SA

Read full description

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.

About

dejiren

Features
Read full description

dejiren is an AI platform that collaborates with generative AI to achieve operational efficiency. By utilizing the dejiren AI Client as a communication interface, you can obtain advanced information necessary for business operations anytime, anywhere. Additionally, you can use business applications that transform various operational data generated in the field (voice, business forms, photos, text, etc.) into easily usable information and reflect this information into systems. ※ To use dejiren, you must have a service contract and an issued account in advance. ※ By downloading dejiren, you agree to the following terms:  License: https://cs.wingarc.com/ja/page/000020674  Privacy Policy: https://www.wingarc.com/privacy_policy  Support: https://global.dejiren.com/support/?idx=0

Screenshots

dejiren3 screens

Verdict

The call

The clearest difference is update cadence: dejiren at every 3 weeks against SA's every 3 months. dejiren also leads on device support (4 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SA ships an update every 3 months, dejiren every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 3 level
SA versus dejiren: the parameters behind the verdict, then further details
ParameterSAdejiren
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPadiPhone, iPad, iPod, Mac — better
Requires iOS17.015.0 — better
Further details — not scored
Size62 MB79 MB
Age rating4+17+
DeveloperYANMAR INFORMATION SYSTEM SERVICE CO. LTDWingArc1st Inc.

In-app purchases

None

SA

No in-app purchases

None

dejiren

No in-app purchases

Questions

Is SA free?
SA is free to download, with no in-app purchases.
Is dejiren free?
dejiren is free to download, with no in-app purchases.
Do SA or dejiren have ads?
Neither SA nor dejiren shows ads.
Which is updated more often, SA or dejiren?
SA ships an update every 3 months, and dejiren every 3 weeks. Most recently, SA was updated on October 29, 2026 and dejiren on October 24, 2026.

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