AVDI Assist vs DDTSB
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AVDI Assist
This app provides a mobile solution for users of a specific diagnostic plan, offering access to a knowledge base, video manuals, forums, and a ticketing system. It also includes a feature to look up vehicle registration marks for targeted data.
- Access Knowledge Base
- View Premium Video Manuals
- Engage in AVDI Forums
- Submit Support Tickets
- Perform VRM Lookup Searches
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AVDI Assist App - companion mobile solution for active KAPdiagnostics AVDI Assist Plan users. Perfect companion mobile solution for active KAPdiagnostics AVDI Assist Plan users. The App simplifies process to access a users AVDI Assist Plan, Knowledge Base, Premium Video Manuals, AVDI Forums, powerful Ticketing System, and the state of the art AVDI VRM Lookup Searches feature. Accessing AVDI support just got easier! AVDI VRM Lookup Searches - State of the art functionality to search a Vehicle Registration Mark (VRM) to provide specific targeted data to breakdown the complexity of using the AVDI in a matter of seconds, can be accessed from the App by active Priority and Secure Assist Plan users. Premium Video Manuals - Library of professional bite size videos of AVDI procedures from a user perspective. Videos are continually added as the tool develops. Knowledge-base - Clear step by step articles of AVDI procedures from a user perspective. AVDI Forums - Premier forum for AVDI professionals. Added functionality, enhanced search capability, and integration into the overall support solution. Ticket Submission - Simple yet powerful ticketing system which allows files and videos to be added to tickets for quick resolution by support desk manned by top AVDI professionals, and fully integrated with the Abrites development team.
DDTSB
Access a vast database of automotive service bulletins and troubleshooting guides. Avoid common errors by leveraging solutions already found by other workshops globally. This tool provides detailed information on over 10,000 service bulletins and 400,000 error codes.
- 10,000+ service bulletins
- 400,000+ error codes
- Model-specific troubleshooting
- Global mechanic community
- Error explanations and experiences
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Whether you are servicing or troubleshooting a car, always start by looking up the car in DDTSB! Don't waste valuable time on errors that have already been solved by other workshops. With DDTSB you have access to over 10,000 service bulletins and model-specific troubleshooting instructions. There are 400,000 error codes with explanations and additional information in the form of valuable experiences from others who have experienced the same errors. Workshops all over the world use DDTSB. We are a global community of mechanics who help each other.
Screenshots
Verdict
The clearest difference is rating: DDTSB at 5.0 against AVDI Assist's 4.0. AVDI Assist's advantage is update cadence (every 3 months vs every 7 months) and iOS requirement (10.0 vs 15.6). On price, ratings volume, 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.
DDTSB holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
AVDI Assist ships an update every 3 months, DDTSB every 7 months. The most recent releases landed on November 2, 2026 and October 15, 2026 respectively.
| Parameter | AVDI Assist | DDTSB |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | KAPDIAGNOSTICS.COM LTD | Elektro Partner ApS |
In-app purchases
AVDI Assist
No in-app purchases
DDTSB
No in-app purchases








