DDTSB vs FieldHelper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
FieldHelper
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FieldHelper – Professional Diagnostics. Anywhere. FieldHelper is a professional diagnostic and support platform built for field service technicians, service engineers, dealerships, and OEM partners. It brings critical fault information, expert knowledge, and controlled professional tools into one secure mobile app—so problems can be identified and resolved faster, directly on site. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy : https://www.rtfix.co.uk/fieldhelper
Screenshots
Verdict
The clearest difference is price: DDTSB at Free against FieldHelper's $2.99. DDTSB also leads on in-app purchases (none vs 2) and device support (3 vs 1). FieldHelper's advantage is update cadence (fortnightly vs every 7 months). On ads and iOS requirement 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
DDTSB is free to download; FieldHelper costs $2.99 up front. FieldHelper sells 2 in-app purchases, starting at $2.99 per month. DDTSB asks for nothing beyond the download.
DDTSB ships an update every 7 months, FieldHelper fortnightly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.
| Parameter | DDTSB | FieldHelper |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 14 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Elektro Partner ApS | Rtfix ltd |
In-app purchases
DDTSB
No in-app purchases
FieldHelper
- FieldHelperLevel 1–2$2.991 Month
- FieldHelper Level 3–4$5.991 Month
