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Last updated on: 2026-06-26
App Store Apps > Sports > Harry's Dyno
Harry's Dyno icon

Harry's Dyno

25.1.0
Harald Schlangmann
1.00
2 reviews
$3.99

Harry's Dyno Screenshot 1 of 5
Harry's Dyno Screenshot 2 of 5
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About Harry's Dyno

Harry's Dyno is an overall app developed by Harald Schlangmann.

Download Statistics

User Ratings

Harry's Dyno is rated 1.00 out of 5 stars. The rating is based on 2 ratings.

App Information

Harry's Dyno costs $3.99 to download. The APK download size is 40.84 MB. The latest version available is 25.1.0. The last update was on June 24, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play September 2016.

Description
Harry's Dyno is a high precision performance measuring app. It utilizes GPS and OBD sensor input to recognize arbitrary speed ranges like 0-60 mph or 100-200 km/h. Both acceleration and deceleration testing is supported.

Results can be compared and analyzed in details. Using two-cursor mode, one can inspect subranges of data recorded (e.g. 80 to 120 km/h for a 0 to 200 km/h). Data is stored locally and can be filtered by speed range and vehicle used. It can be exported to various data formats too.

Provided the smartphone is mounted in a position with good GPS accuracy, the internal GPS can be used for measurements. For short speed ranges, high powered vehicles, and highest precision, either external GPS or OBD sensors can be connected. OBD adapters are actually preferable as speed changes are available instantly. We have an always up to date list of compatible accessories available here: www.gps-laptimer.de/compatibility/ios

For distance based performance testing (quarter mile etc), please use Harry's LapTimer currently. This mode will be added to Harry's Dyno as a free upgrade shortly.

For Harry's LapTimer users! Harry's LapTimer GrandPrix has received a free feature upgrade and includes Harry's Dyno functionality now: please follow LapTimer ‣ Race ‣ Performance to use the dyno mode. In case you have used Harry's LapTimer Petrolhead so far, you may either upgrade it to GrandPrix (LapTimer ‣ Administration ‣ Add-ons), or go for Harry's Dyno as a separate app.

Enjoy and let us know what you think! For questions, tipps & tricks, and support, please use our forum www.gps-laptimer-forum.de
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More data about Harry's Dyno

Price $3.99
Rating 1.00 based on 2 ratings
Ranking Highly ranked
Version 25.1.0
App download size 40.8 MB
Suitable for Everyone

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Changelog of Harry's Dyno

No changelog data

Developer information for Harald Schlangmann

Harald Schlangmann

Address:

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App Store Rankings for Harry's Dyno

Top rankings

Rank Country Category List
48 Turkey Sports Top Paid
99 Poland Sports Top Paid

Ranking history in Turkey

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Technologies used by Harry's Dyno

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