Comparison

J1939OBD vs Rooster Tracking

Price, ratings, monetisation and update history for both apps, side by side — 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

Rooster Tracking

This app allows users to automatically track their equipment and small tools. It enables activation and deactivation of specialized hubs and trackers for efficient reporting.

Highlights
  • Automatic equipment reporting
  • Track small tools
  • Activate Rooster Hubs
  • Deactivate Rooster Trackers
  • Real-time equipment status
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Equipment Reporting. Automatically. TRACK YOUR EQUIPMENT AND SMALL TOOLS Use the app to activate & deactivate your Rooster Hubs & Trackers

Screenshots

J1939OBD4 screens
Rooster Tracking4 screens

Verdict

The call

The clearest difference is in-app purchases: Rooster Tracking at none against J1939OBD's 1. Rooster Tracking also leads on update cadence (fortnightly vs every 41 months). J1939OBD's advantage is iOS requirement (12.1 vs 15.1). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

J1939OBD ships an update every 41 months, Rooster Tracking fortnightly. The most recent releases landed on September 18, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 6 level
J1939OBD versus Rooster Tracking: the parameters behind the verdict, then further details
ParameterJ1939OBDRooster Tracking
PriceFreeFree
Rating—5.0 (4 ratings) — better
Number of ratings—4 — better
Update frequencyEvery 41 monthsFortnightly — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.1 — better15.1
Further details — not scored
Size14 MB40 MB
Age rating4+4+
DeveloperS.KoepgeRooster LLC

In-app purchases

1 purchases

J1939OBD

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

Rooster Tracking

No in-app purchases

Questions

Is J1939OBD free?
J1939OBD is free to download, with in-app purchases available.
Is Rooster Tracking free?
Rooster Tracking is free to download, with no in-app purchases.
Do J1939OBD or Rooster Tracking have ads?
Neither J1939OBD nor Rooster Tracking shows ads.
Which is updated more often, J1939OBD or Rooster Tracking?
J1939OBD ships an update every 41 months, and Rooster Tracking fortnightly. Most recently, J1939OBD was updated on September 18, 2026 and Rooster Tracking on October 5, 2026.

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