Diesel+ vs TuningBase
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diesel+
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Diesel+ is the ultimate app for owners of Volkswagen Group and BMW diesel vehicles who want to get the most out of their vehicle. With just a few clicks, you can take your car's performance to new levels - right from your iPhone. Performance increase at manufacturer level: Our technology meets the highest quality standards and is fully developed and tested on the respective vehicle. Our application engineers from the automotive industry have the necessary experience and know-how to offer safe and uncompromising performance enhancement.
TuningBase
Access a comprehensive mobile database for automotive professionals and tuners. Quickly find ECUs for any vehicle, view performance data, and look up error codes. Supports multiple languages and includes a performance calculator.
- ECU Search by vehicle details
- Original and tuning performance data
- Bosch Part Number Search
- DTC Error Code lookup
- HP to kW conversion calculator
- Multilingual support
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ECUBase – Your Pro Tool for ECUs & Tuning Data Find the right ECU for any vehicle in seconds. ECUBase is the most comprehensive mobile database for automotive professionals, tuners, and workshops. What ECUBase offers: - ECU Search – Browse thousands of vehicles for engine and transmission ECUs. Select manufacturer, model, year, and engine – done. - Performance Data – View original and tuning values for HP and torque at a glance. - Bosch Part Number Search – Find ECU information directly using the manufacturer part number. - DTC Error Codes – Quick access to P-codes and their meanings. - Performance Calculator – Convert HP to kW and vice versa instantly. - 8 Languages – German, English, Russian, Ukrainian, Turkish, Lithuanian, Georgian, and Romanian.
Screenshots
Verdict
The clearest difference is iOS requirement: TuningBase at 15.1 against Diesel+'s 26.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Diesel+ ships an update weekly, TuningBase every 6 days. The most recent releases landed on September 16, 2026 and September 12, 2026 respectively.
| Parameter | Diesel+ | TuningBase |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 16 MB | 32 MB |
| Age rating | 4+ | 17+ |
| Developer | TPE Europe GmbH | Niko Holm |
In-app purchases
Diesel+
No in-app purchases
TuningBase
No in-app purchases
