# ETC App vs DDTSB

The clearest difference is update cadence: ETC App at every 3 months against DDTSB's every 7 months. ETC App also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ETC App ships an update every 3 months, DDTSB every 7 months. Both last shipped on September 11, 2026.

## The numbers

| Metric | ETC App | DDTSB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ddtsb/id6740241315/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | — | Free |
| Size | 4 MB | 14 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Autodidact BV](https://appshunter.io/developer/349096100) | [Elektro Partner ApS](https://appshunter.io/developer/1789123561) |

## What reviewers say

### ETC App

[App page](https://appshunter.io/ios/app/etc-app/id1464144641)

**Features:** macOS Compatibility

**In-app purchases:** none


### DDTSB

[App page](https://appshunter.io/ios/app/ddtsb/id6740241315)

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.

**Highlights:** 10,000+ service bulletins, 400,000+ error codes, Model-specific troubleshooting, Global mechanic community, Error explanations and experiences

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ETC App free?

ETC App is free to download, with no in-app purchases.

### Is DDTSB free?

DDTSB is free to download, with no in-app purchases.

### Do ETC App or DDTSB have ads?

Neither ETC App nor DDTSB shows ads.

### Which is updated more often, ETC App or DDTSB?

ETC App ships an update every 3 months, and DDTSB every 7 months. Most recently, ETC App was updated on September 11, 2026 and DDTSB on September 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*