# AGN Workshop vs DDTSB

The clearest difference is update cadence: AGN Workshop at weekly against DDTSB's every 7 months. 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.

AGN Workshop ships an update weekly, DDTSB every 7 months. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | AGN Workshop | 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 | **Weekly** | Every 7 months |
| Monetization | — | Free |
| Size | 41 MB | 14 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AUTO GARAGE NETWORK LTD](https://appshunter.io/developer/1454362954) | [Elektro Partner ApS](https://appshunter.io/developer/1789123561) |

## What reviewers say

### AGN Workshop

[App page](https://appshunter.io/ios/app/agn-workshop/id6450313108)

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

**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 AGN Workshop free?

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

### Is DDTSB free?

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

### Do AGN Workshop or DDTSB have ads?

Neither AGN Workshop nor DDTSB shows ads.

### Which is updated more often, AGN Workshop or DDTSB?

AGN Workshop ships an update weekly, and DDTSB every 7 months. Most recently, AGN Workshop was updated on September 15, 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.*