Comparison

TDI Tuning vs 997 Chrono

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

Head to head
About

TDI Tuning

Enhance your vehicle's power, torque, and economy directly from your driver's seat. This app connects to your TDI-Tuning Bluetooth system, allowing instant performance adjustments and access to a community of car enthusiasts for tips and support.

Highlights
  • Bluetooth system connection
  • Instant performance setting changes
  • Seven custom performance programs
  • Engine delay timer
  • Discreet mode
  • Revert to factory settings
  • Community access
Features
Read full description

Want more power, torque or economy from your vehicle? With the TDI Tuning App, you can decide directly from your driver’s seat. Connect to your TDI-Tuning Bluetooth system to instantly change the performance of your engine and adapt your vehicle to suit any situation. Join a community of like-minded tuners, show-off your vehicle, and get tips from a world-wide network of car enthusiasts. Functionality: - Connect to your CRTD4 Bluetooth or CRTD4 SENT Bluetooth enabled system. - Instantly change the performance setting of your vehicle from one of seven custom programs specifically designed for your exact vehicle. - Set your engine delay timer to activate your system after a pre-determined amount of time. - Discreet mode- turn off all illumination on your tuning system. - Turn off your tuning system and revert back to vehicle factory standard. - Connect with our TDI-Tuning Community. - Instantly access our support and FAQ pages.

About

997 Chrono

Features
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Control and update your 997 Chrono display from the comfort of your iPhone. Designed to Fit Porsche 911 (997), Boxster and Cayman (987) vehicles. The 997 Chrono is designed to replace the Sports Chrono stop watch in the Porsche 911 (997 model, 2005 to 2012) and the Boxster and Cayman (987 model, 2005 to 2012). Once fitted, the display can show you: * Water temperature * Oil temperature * Oil pressure * Battery voltage * Boost pressure (turbo models) * Speed * RPM * Current gear (tiptronic and PDK) Use this app to update the settings, upload new images for the clock faces or splash screen and update new firmware, without the need to remove the unit to access the USB socket or the SD card.

Screenshots

TDI Tuning3 screens
997 Chrono4 screens

Verdict

The call

The clearest difference is update cadence: 997 Chrono at every 3 weeks against TDI Tuning's every 3 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TDI Tuning ships an update every 3 months, 997 Chrono every 3 weeks. The most recent releases landed on October 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
TDI Tuning versus 997 Chrono: the parameters behind the verdict, then further details
ParameterTDI Tuning997 Chrono
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews38.9% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size23 MB29 MB
Age rating4+4+
DeveloperTDI Tuningia2o ltd

In-app purchases

None

TDI Tuning

No in-app purchases

None

997 Chrono

No in-app purchases

Questions

Is TDI Tuning free?
TDI Tuning is free to download, with no in-app purchases.
Is 997 Chrono free?
997 Chrono is free to download, with no in-app purchases.
Do TDI Tuning or 997 Chrono have ads?
Neither TDI Tuning nor 997 Chrono shows ads.
Which is updated more often, TDI Tuning or 997 Chrono?
TDI Tuning ships an update every 3 months, and 997 Chrono every 3 weeks. Most recently, TDI Tuning was updated on October 5, 2026 and 997 Chrono on October 31, 2026.

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