# Katalog Max Factor vs Instock

The clearest difference is in-app purchases: Katalog Max Factor at none against Instock's 1. Katalog Max Factor also leads on ads (none vs shown) and iOS requirement (6.0 vs 13.0). Instock's advantage is review sentiment (75% vs 67%). On price, update cadence and device support there is nothing between them.

Both are free to download. Instock sells 1 in-app purchase, starting at $9.99 per month. Katalog Max Factor asks for nothing beyond the download.

Katalog Max Factor ships an update every 5 weeks, Instock every 4 weeks. The most recent releases landed on June 25, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Katalog Max Factor | Instock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (15 ratings)](https://appshunter.io/ios/app/instock-shopping/id6445827103/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | 66.7% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 209 MB | 38 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iPublishing s.r.o.](https://appshunter.io/developer/514528124) | [JNJ Software LTD](https://appshunter.io/developer/1674038912) |

## What reviewers say

### Katalog Max Factor

[App page](https://appshunter.io/ios/app/katalog-max-factor/id573523380)

Explore an interactive catalog of decorative cosmetics with shades shown on models. Find current prices and special offers for all available products in the Czech Republic.

**Highlights:** Interactive cosmetic catalog, Shades shown on models, Current prices, Special offers, Product categories (face, eyes, lips, nails)

**Features:** macOS Compatibility

**In-app purchases:** none


### Instock

[App page](https://appshunter.io/ios/app/instock-shopping/id6445827103)

Never miss a product drop or restock again. This assistant notifies you in real-time when items become available across hundreds of retailers. Customize your feed with desired products or focus on discounts.

**Highlights:** Real-time restock notifications, Customizable product feed, Discounts-only feed, Live release feed, Direct add-to-cart links, Autofill for faster checkout

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $9.99 | per month |


## Frequently asked questions

### Is Katalog Max Factor free?

Katalog Max Factor is free to download, with no in-app purchases.

### Is Instock free?

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

### Do Katalog Max Factor or Instock have ads?

Instock shows ads; Katalog Max Factor does not.

### Which is updated more often, Katalog Max Factor or Instock?

Katalog Max Factor ships an update every 5 weeks, and Instock every 4 weeks. Most recently, Katalog Max Factor was updated on June 25, 2026 and Instock on September 21, 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.*