# Dynomax AR vs DDTSB

The clearest difference is iOS requirement: Dynomax AR at 11.0 against DDTSB's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Dynomax AR ships an update every 9 months, DDTSB every 7 months. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Dynomax AR | 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 9 months | **Every 7 months** |
| Monetization | — | Free |
| Size | 278 MB | 14 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Zolotarjov](https://appshunter.io/developer/1499560126) | [Elektro Partner ApS](https://appshunter.io/developer/1789123561) |

## What reviewers say

### Dynomax AR

[App page](https://appshunter.io/ios/app/dynomax-ar/id1499560127)

**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 Dynomax AR free?

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

### Is DDTSB free?

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

### Do Dynomax AR or DDTSB have ads?

Neither Dynomax AR nor DDTSB shows ads.

### Which is updated more often, Dynomax AR or DDTSB?

Dynomax AR ships an update every 9 months, and DDTSB every 7 months. Most recently, Dynomax AR 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.*