# METRO Sourcing Catalog vs Sectran DiDb App

The clearest difference is update cadence: Sectran DiDb App at every 6 weeks against METRO Sourcing Catalog's every 10 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.

METRO Sourcing Catalog ships an update every 10 months, Sectran DiDb App every 6 weeks. The most recent releases landed on October 19, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | METRO Sourcing Catalog | Sectran DiDb App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Size | 13 MB | 50 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [METRO Sourcing International Limited](https://appshunter.io/developer/894480702) | [Sectran Korlatolt Felelossegu Tarsasag](https://appshunter.io/developer/1565780593) |

## What reviewers say

### METRO Sourcing Catalog

[App page](https://appshunter.io/ios/app/metro-sourcing-catalog/id1053036027)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sectran DiDb App

[App page](https://appshunter.io/ios/app/sectran-didb-app/id1584337982)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is METRO Sourcing Catalog free?

METRO Sourcing Catalog is free to download, with no in-app purchases.

### Is Sectran DiDb App free?

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

### Do METRO Sourcing Catalog or Sectran DiDb App have ads?

Neither METRO Sourcing Catalog nor Sectran DiDb App shows ads.

### Which is updated more often, METRO Sourcing Catalog or Sectran DiDb App?

METRO Sourcing Catalog ships an update every 10 months, and Sectran DiDb App every 6 weeks. Most recently, METRO Sourcing Catalog was updated on October 19, 2026 and Sectran DiDb App on October 15, 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.*