# TecDoc Catalogue vs Chatd

The clearest difference is in-app purchases: Chatd at none against TecDoc Catalogue's 5. Chatd also leads on update cadence (monthly vs every 2 months). TecDoc Catalogue's advantage is iOS requirement (12.4 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. TecDoc Catalogue sells 5 in-app purchases, starting at $3.49 per 7 days. Chatd asks for nothing beyond the download.

TecDoc Catalogue ships an update every 2 months, Chatd monthly. The most recent releases landed on November 6, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | TecDoc Catalogue | Chatd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/tecdoc-catalogue/id1475452878/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 10.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 27 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TecAlliance GmbH](https://appshunter.io/developer/708196115) | [Elno Rrapaj](https://appshunter.io/developer/1759028089) |

## What reviewers say

### TecDoc Catalogue

[App page](https://appshunter.io/ios/app/tecdoc-catalogue/id1475452878)

Access a comprehensive global catalog of vehicles and spare parts for the automotive aftermarket. Quickly identify vehicles and parts with detailed repair information, images, and videos. Premium features offer unrestricted access to all content, including VIN and number plate searches.

**Highlights:** Global vehicle and spare parts catalog, Fast vehicle and parts identification, Manufacturer-compliant repair information, High-quality images and product videos, VIN search, Number plate search, Brand/Product Group search

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.49 | per 7 days |
| Mechanical Repair Data weekly | $8.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Mechanical Repair Data Monthly | $17.99 | per month |
| Limited Time Manual Access | $7.99 | one-time |


### Chatd

[App page](https://appshunter.io/ios/app/chatd/id6758517338)

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

**In-app purchases:** none


## Frequently asked questions

### Is TecDoc Catalogue free?

TecDoc Catalogue is free to download, with in-app purchases available.

### Is Chatd free?

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

### Do TecDoc Catalogue or Chatd have ads?

Neither TecDoc Catalogue nor Chatd shows ads.

### Which is updated more often, TecDoc Catalogue or Chatd?

TecDoc Catalogue ships an update every 2 months, and Chatd monthly. Most recently, TecDoc Catalogue was updated on November 6, 2026 and Chatd on October 26, 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.*