Comparison

TDI Tuning vs TripCost

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

TripCost

Easily calculate the total fuel cost, cost per mile, and split expenses for your journeys. It helps you estimate MPG, compare trip expenses, and save calculations. The Pro version offers real-time UK fuel prices and unlimited journey history.

Highlights
  • Calculate fuel cost from MPG, price, and distance
  • Estimate MPG from cost, distance, and fuel price
  • Split journey costs among multiple people
  • Compare costs of different trips
  • Save and manage journey history
  • Real-time UK fuel prices (Pro)
  • Export journey data to CSV (Pro)
Features
Read full description

TripCost makes it quick and easy to understand the real cost of your journeys. Use TripCost to calculate total fuel cost, cost per mile, and how much each person owes by splitting a trip. You can also work backwards from a fuel budget, estimate achieved MPG from cost, distance and fuel price, compare two trips to see which is cheaper, and save useful calculations to your history. TripCost Pro unlocks the latest UK petrol station prices using your location or location search. Choose from petrol, diesel, or premium fuels; sort stations by distance or price; start directions; and save a petrol station as your default so TripCost can automatically track its price and autofill new calculations. Free features: • Calculate fuel cost from MPG, fuel price, and distance • Calculate distance based on a fuel budget • Calculate achieved MPG from cost, distance and fuel price • Calculate cost per mile • Split journey costs between multiple people • Compare two trips to see which is cheaper • Save up to 3 journeys to history • Edit, delete, and bulk manage saved journeys • Set a manual default fuel price for faster calculations • Optional dark mode Pro features: • Search UK station fuel prices by current location, town, road name, or postcode • Get directions to a chosen petrol station • Save a station as an automatically updating default fuel price • Save unlimited journeys • Export journey data to CSV • Optional iCloud sync for journey history Whether you’re planning a road trip, splitting fuel with friends, tracking commute costs, comparing route options, or checking nearby station prices, TripCost gives you quick answers without fuss. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

TDI Tuning3 screens
TripCost4 screens

Verdict

The call

The clearest difference is review sentiment: TripCost at 100% against TDI Tuning's 39%. TripCost also leads on update cadence (weekly vs every 3 months). TDI Tuning's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 18.0). 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. TripCost sells 2 in-app purchases, starting at $0.99 per month. TDI Tuning asks for nothing beyond the download.

UpkeepUpdate frequency

TDI Tuning ships an update every 3 months, TripCost weekly. The most recent releases landed on October 5, 2026 and October 28, 2026 respectively.

Scorecard5 real differences · 5 level
TDI Tuning versus TripCost: the parameters behind the verdict, then further details
ParameterTDI TuningTripCost
PriceFreeFree
Rating4.2 (5 ratings) — better—
Positive reviews38.9% of reviews100.0% of reviews — better
Number of ratings5 — better—
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size23 MB8 MB
Age rating4+4+
DeveloperTDI TuningReece Charlton

Customer experience

TDI Tuning

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews18 reviews
Positive38.9%
Neutral5.6%
Negative55.6%

TripCost

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

TDI Tuning

No in-app purchases

2 purchases

TripCost

Subscriptions2
  • TripCost Pro Monthly$0.991 Month
  • TripCost Pro Annual7 Days trial$9.991 Year

Questions

Is TDI Tuning free?
TDI Tuning is free to download, with no in-app purchases.
Is TripCost free?
TripCost is free to download, with in-app purchases available.
Do TDI Tuning or TripCost have ads?
Neither TDI Tuning nor TripCost shows ads.
Which is updated more often, TDI Tuning or TripCost?
TDI Tuning ships an update every 3 months, and TripCost weekly. Most recently, TDI Tuning was updated on October 5, 2026 and TripCost on October 28, 2026.

Other comparisons