Comparison

J1939OBD vs SoluDyne

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

Head to head
About

J1939OBD

Features
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A diagnostic app for industrial and commercial vehicle engines using the J1939 CAN protocol. The app supports the following functions: - Display the active error codes - Display the passive error codes - Delete the error codes - Display of engine measured values - Information about the status DPF - Information about the SCR system - Information about fuel consumption - Engine information - Terminal mode To connect to the engine you need an EML327 compatible Wifi OBD interface as of V1.4 and a connection cable from the diagnostic connector to OBD. Various manufacturers offer corresponding cables, as well as a well-known engine manufacturer from Cologne, who distributes a corresponding adapter cable via his dealer network. Visit my homepage for further informations. An EML327 Wifi interface is offered on known Internet platforms.

About

SoluDyne

Features
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The SoluDyne App provides functionality for: Mobile friendly navigation and reading of Processes with Governing Documentation Accessing your personal Workqueue Reporting findings, taking pictures and sending the reports for handling. Search through all the content in the system Receiving Push Notifications on News and other Workqueue items The Workqueue provides access to: News Notifications Training Content Reporting of Improvements, Observations and Deviations Activities and Actions Maintenance work Advantages for the entire organization Improves the collaboration between the employee and the organization. All employees are able to access the system content, give feedback, perform training, register data, report findings and handle Workqueue items. Information can be sent out easily from the organization to employees’ Workqueue Focus on systematic quality improvement for satisfied employees and improvements for the business Advantages for the employees Employee will have easy access to Management System Content and can perform their work from their mobile devices. The SoluDyne App will help everyone in the company to be part of creating a culture of conscious employees who take independent initiative to make improvements regardless of where the work is performed. Advantages for the Manager Easy access to the employee and fast feedback to responsible from the employee, as the employee can access the system from the fields where they work. Measurable improvements Rise of productivity, because of access to relevant information, easy registration of data and instant reporting of findings out in the Fields.

Screenshots

J1939OBD4 screens
SoluDyne3 screens

Verdict

The call

The clearest difference is in-app purchases: SoluDyne at none against J1939OBD's 1. SoluDyne also leads on update cadence (every 2 weeks vs every 41 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. J1939OBD sells 1 one-off in-app purchase. SoluDyne asks for nothing beyond the download.

UpkeepUpdate frequency

J1939OBD ships an update every 41 months, SoluDyne every 2 weeks. The most recent releases landed on May 17, 2026 and September 19, 2026 respectively.

Scorecard2 real differences Β· 4 level
J1939OBD versus SoluDyne: the parameters behind the verdict, then further details
ParameterJ1939OBDSoluDyne
PriceFreeFree
Update frequencyEvery 41 monthsEvery 2 weeks β€” better
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS12.111.1 β€” better
Further details β€” not scored
Size14 MB121 MB
Age rating4+4+
DeveloperS.KoepgeSoluDyne

In-app purchases

1 purchases

J1939OBD

One-time1
  • Get full access for 1939OBD$3.99
None

SoluDyne

No in-app purchases

Questions

Is J1939OBD free?
J1939OBD is free to download, with in-app purchases available.
Is SoluDyne free?
SoluDyne is free to download, with no in-app purchases.
Do J1939OBD or SoluDyne have ads?
Neither J1939OBD nor SoluDyne shows ads.
Which is updated more often, J1939OBD or SoluDyne?
J1939OBD ships an update every 41 months, and SoluDyne every 2 weeks. Most recently, J1939OBD was updated on May 17, 2026 and SoluDyne on September 19, 2026.

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