Comparison

Harry's GPS/OBD Buddy vs transitdriver

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

Head to head
About

Harry's GPS/OBD Buddy

This app functions as a trip computer and GPS/OBD data monitor, recording travel details and calculating speeds. It offers advanced GPS and OBD sensor support for a detailed view of your journey and vehicle performance.

Highlights
  • GPS information display (speed, altitude, heading, acceleration)
  • Trip data recording (distance, time, average speed)
  • Navigation with waypoint forecasting
  • OBD sensor data display (RPM, fuel, temperature, power)
  • External GPS and OBD sensor support
Read full description

Harry's GPS/OBD Buddy is a versatile trip computer and GPS / OBD data monitor. The trip computer records distance and time traveled, and calculates average speeds. Using the navigation module from Harry's GPS Suite, GPS/OBD Buddy will furthermore forecast arrival times using waypoints. In addition to standard iPhone GPS functionality, GPS/OBD Buddy supports a huge set of external GPS and OBD sensors. Accessing these sensors directly, GPS/OBD Buddy gives you a detailed view not available in any other app. Like all applications from Harry's GPS Suite, Harry's GPS/OBD Buddy uses our advanced GPS Engine. We offer Harry's GPS Buddy as a technology demo for Harry's GPS Suite for free. In case you want to do more with the data shown, check out one of the Harry's LapTimer editions. FEATURES Extensive display of GPS information: speed, height, heading, slope, accuracy, GPS update rate, latitude, longitude, lateral and lineal acceleration, a nice compass, and waypoints approached; display of trip information - both continuously and from the latest starting point; trip information includes time traveled, time without movement, average speed overall and while in movement; navigation module including waypoint management, calculation of distance to waypoint, estimated time of arrival. In case a compatible OBD sensor is connected, Harry's GPS Buddy will display wheel speed, engine RPM, fuel level, voltage of electric system, coolant and oil temperatures, throttle position, fuel consumption, power and torque developed by engine. Please head to GPS/OBD Buddy's (LapTimer's) homepage on http://www.gps-laptimer.de to get information on future development, FAQs, and more snapshots.

About

transitdriver

This app helps drivers manage assigned reservations from a dispatch system. It allows for easy location of pickup points, real-time status updates, and passenger communication. Be aware that continuous GPS use can significantly drain battery life.

Highlights
  • Manage assigned reservations
  • Locate pickup points
  • Update real-time status
  • Communicate with passengers
  • Integrates with ITTP dispatch system
Features
Read full description

Driver App for managing assigned reservations from the ITTP dispatch system. Drivers using transitdriver can quickly locate pickup points, update their status in real-time, and communicate with their passengers. Continued use of GPS running in the background can dramatically decrease battery life.

Screenshots

Harry's GPS/OBD Buddy4 screens
transitdriver4 screens

Verdict

The call

The clearest difference is rating: Harry's GPS/OBD Buddy at 4.1 against transitdriver's 2.8. Harry's GPS/OBD Buddy also leads on review sentiment (52% vs 33%). transitdriver's advantage is in-app purchases (none vs 3) and ratings volume (34 vs 7). On price, update cadence, ads and monetization model 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. Harry's GPS/OBD Buddy sells 3 one-off in-app purchases. transitdriver asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Harry's GPS/OBD Buddy holds the better App Store score, 4.1 against 2.8. Both are backed by a comparable volume of ratings — 7 and 34 respectively. Written reviews point the same way: 52% of Harry's GPS/OBD Buddy's written reviews are positive against 33% of transitdriver's.

UpkeepUpdate frequency

Harry's GPS/OBD Buddy ships an update every 2 months, transitdriver every 5 weeks. The most recent releases landed on September 18, 2026 and June 6, 2026 respectively.

Scorecard4 real differences · 6 level
Harry's GPS/OBD Buddy versus transitdriver: the parameters behind the verdict, then further details
ParameterHarry's GPS/OBD Buddytransitdriver
PriceFreeFree
Rating4.1 (7 ratings) — better2.8 (34 ratings)
Positive reviews52.4% of reviews — better33.3% of reviews
Number of ratings734 — better
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better13.0
Further details — not scored
Size33 MB21 MB
Age rating4+17+
DeveloperHarald SchlangmannD&S Custom IT Solutions LLC

Customer experience

Harry's GPS/OBD Buddy

All ratings7 ratings
Positive71.4%
Neutral14.3%
Negative14.3%
Written reviews21 reviews
Positive52.4%
Neutral19.0%
Negative28.6%

transitdriver

All ratings34 ratings
Positive41.2%
Neutral2.9%
Negative55.9%
Written reviews9 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

3 purchases

Harry's GPS/OBD Buddy

One-time3
  • Satellites Feature$0.99
  • Engine Feature$0.99
  • Tires Feature$0.99
None

transitdriver

No in-app purchases

Questions

Is Harry's GPS/OBD Buddy free?
Harry's GPS/OBD Buddy is free to download, with in-app purchases available.
Is transitdriver free?
transitdriver is free to download, with no in-app purchases.
Which has better reviews, Harry's GPS/OBD Buddy or transitdriver?
Harry's GPS/OBD Buddy is rated higher. Harry's GPS/OBD Buddy averages 4.1 out of 5 from 7 ratings, while transitdriver averages 2.8 from 34 ratings.
Do Harry's GPS/OBD Buddy or transitdriver have ads?
Neither Harry's GPS/OBD Buddy nor transitdriver shows ads.
Which is updated more often, Harry's GPS/OBD Buddy or transitdriver?
Harry's GPS/OBD Buddy ships an update every 2 months, and transitdriver every 5 weeks. Most recently, Harry's GPS/OBD Buddy was updated on September 18, 2026 and transitdriver on June 6, 2026.

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