# OSG Pro Catalog vs EScatalog

The clearest difference is ads: EScatalog at none against OSG Pro Catalog's shown. EScatalog also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, 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.

OSG Pro Catalog ships an update every 7 months, EScatalog every 12 months. The most recent releases landed on October 23, 2026 and December 10, 2025 respectively.

## The numbers

| Metric | OSG Pro Catalog | EScatalog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 12 months |
| Monetization | Ad-supported | — |
| Size | 12 MB | 18 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OSG CORPORATION](https://appshunter.io/developer/556781862) | [Panasonic Corporation](https://appshunter.io/developer/1647278185) |

## What reviewers say

### OSG Pro Catalog

[App page](https://appshunter.io/ios/app/osg-pro-catalog/id556781859)

Access a comprehensive catalog of industrial cutting tools from a leading manufacturer. Browse drilling, threading, and milling tools, along with technical data and brochures. The app automatically adjusts its language to your device's settings.

**Highlights:** Drilling and Threading Tools Catalog, Milling Tools Catalog, Brochures and Technical Data, Automatic Language Setting, Search Functionality

**Features:** macOS Compatibility

**In-app purchases:** none


### EScatalog

[App page](https://appshunter.io/ios/app/escatalog/id641009006)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OSG Pro Catalog free?

OSG Pro Catalog is free to download, with no in-app purchases.

### Is EScatalog free?

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

### Do OSG Pro Catalog or EScatalog have ads?

OSG Pro Catalog shows ads; EScatalog does not.

### Which is updated more often, OSG Pro Catalog or EScatalog?

OSG Pro Catalog ships an update every 7 months, and EScatalog every 12 months. Most recently, OSG Pro Catalog was updated on October 23, 2026 and EScatalog on December 10, 2025.

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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.*