Free download · Android

The car is outside. Your laptop isn't.

The VAGPULSE app puts fault codes, live measuring blocks and datalogging on your phone, talking to the VAGPULSE cable over Bluetooth. No laptop balanced on the passenger seat, no dongle pairing ritual, no subscription.

The VAGPULSE app Car tab: a Your car card, a Scan the whole car button, a Health check button, and the connected engine module showing its part number and protocol, with the Car / Live / Tools / Shop bar along the bottom

Five tabs, nothing buried

The app is built around a bottom bar with five tabs (Car, Live, All brands, Tools and Shop), so everything is one tap, not a menu dive. The Car tab opens on Your car: it names the car, shows the module it is talking to (part number, software level and which protocol answered), and puts Scan the whole car right under it. No blank box leaving you to guess whether the cable worked.

From here you scan every module, read this module’s fault codes, watch live measuring blocks, record a drive log, or read the EEPROM.

Want to see it before you buy? The app has a demo mode. Tap Try the demo on the connect screen and the whole app runs against a sample Audi Q7 4.2 V8, with no cable and no car. Exactly what is shown here.

Car tab: Your car, scan, health check and the live module
CarYour car, one-tap scan, health check, live module ID
Live tab: measuring blocks and the drive log
LiveMeasuring blocks & drive logging
All brands tab: check-engine light, readiness and fault codes over standard OBD-II
All brandsCheck-engine codes for other makes
Tools tab: build a tune, find a part, common problems for your car
ToolsBuild & tune, Parts, Common problems
Shop tab: files, tunes and the cable, priced by the server
ShopFiles, tunes & the cable

Get the app

Android, version 1.5.1. It installs straight from here, with no store account to make and nothing to sign up for.

No cable yet? Install it anyway and tap Try the demo. The whole app runs against a sample Audi Q7 4.2 FSI V8 with no hardware at all, so you can see exactly what you are buying.

Download for Android
77 MB · Android 8.0 or newer
1

Tap Download for Android above, on the phone itself.

2

Android will ask whether to allow installs from your browser. Allow it; that prompt is normal for any app installed outside the Play Store.

3

Open the downloaded file and tap Install. If Android says the app is “not seen from this developer before”, tap Install anyway. That notice appears for every app signed with a new key and says nothing about the app itself.

iPhone: not yet. The app is Android only for now.
Checksum (SHA‑256), if you want to verify the download:
e0d43e56e5d4077dae739141ec10193049be55f85936eebc4080fb31a10a4c19

Fault codes, explained

Every stored code with a real description, not a bare number.
  • Reads and clears fault memory
  • Plain-English text for each code
  • Tap a code to search it for your exact ECU
  • Never invents a clean result: if the read didn't verify, it says so

Live measuring blocks

Six blocks on screen at once, with arrows to step through the rest.
  • Boost, lambda, timing, load, temps, duty
  • Six-up grid, so you see the whole picture
  • Same block numbers as the desktop
  • Works while the car is moving
The one that matters

Datalogging

Record a pull on the phone, analyse it on the desktop.
  • Logs all ten critical channels every time
  • Full pull or a quick sample
  • Saved on the phone, named and listed
  • Send to computer over Wi-Fi in one tap

Identification & EEPROM

Know exactly what is in the car before you touch anything.
  • ECU part number and software level
  • Reads the immobiliser EEPROM
  • Reports what it could not read, honestly
  • Adaptations and auto-scan

All brands: check-engine codes

The standard OBD-II engine data every car has had to give since 2001 in Europe and 1996 in the US.
  • Check-engine light, emissions-test readiness and the VIN
  • Stored, pending and permanent codes, each with a description
  • Clears codes after asking first, then reads again
  • Live engine values from the same port

Tools that work with no cable

The Tools tab runs on any phone, before you have bought anything.
  • Build & tune: pick your engine, see what Stage 1, 2 or 3 would make, the weak link, and the parts you would need
  • Parts: search about 800 part numbers, or pick your model to see only what fits
  • Module swap: check whether a second-hand module will work, before you buy it

Why the app doesn't flash your ECU

Because a phone is the wrong place to do it, and we would rather say so than sell it.

Reads on the phone

Codes, live data, identification, EEPROM, logs.
  • Nothing that can leave the car worse than you found it

Writes on the desktop

Flashing, coding and immobiliser work, over the cable.
  • A write interrupted halfway is how ECUs get bricked
  • A phone call, a screen lock or a dropped Bluetooth link is an interruption
  • So writing lives where the connection is wired and stable
📱 Included · no extra charge

Log it in the car. Tune it at the bench.

Record a pull on the phone, tap Send to computer, and the log lands in the desktop software under Log Files. Open it in the tuning section and you get the analysis, what happened, and what to change, checked against the map data for your exact ECU. The app comes with the VAGPULSE licence; there is nothing else to buy.

Get VAGPULSE → 🗂 Just the file store
The VAGPULSE app Logging screen: record all channels, a fast pull or on-screen groups, then each saved recording listed with its date and size, in the format the desktop tune advisor reads with no conversion

Questions

Do I need a laptop in the car?

No. The cable runs off the car's 12 V through the OBD port and the phone connects over Bluetooth. Read codes, watch live data and record a log with no computer present.

Which cable?

The VAGPULSE cable, included with the licence. K-line (KWP1281 / KWP2000) and CAN, covering Audi and VW from 1996 onward.

How do logs reach the PC?

Same Wi-Fi, or a hotspot from the phone. Tap Send to computer and it appears under Log Files with a badge.

Is it on Google Play?

The listing is in preparation. Until then the app is supplied directly to licence holders as an Android package.