# Sto vs Rigips Austria

The clearest difference is review sentiment: Rigips Austria at 100% against Sto's 21%. Rigips Austria also leads on in-app purchases (none vs 2). Sto's advantage is update cadence (monthly vs every 5 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Sto sells 2 one-off in-app purchases. Rigips Austria asks for nothing beyond the download.

Sto ships an update monthly, Rigips Austria every 5 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Sto | Rigips Austria |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 21.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | Free |
| Size | 138 MB | 13 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Colorix SA](https://appshunter.io/developer/372237429) | [apptec GmbH (Osterreich)](https://appshunter.io/developer/700908888) |

## What reviewers say

### Sto

[App page](https://appshunter.io/ios/app/sto-colorix/id440496442)

This app allows users to digitally apply color shades from a comprehensive system to photos of buildings and walls. It eliminates the need for physical color charts and enables easy sharing of redesigned images with color information via email. The system is designed for intuitive use and professional color communication.

**Highlights:** Apply digital color shades to photos, Access entire StoColor System, Eliminate need for physical color charts, Digitally store and share redesigned images, User-friendly interface, Professional color measurement integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RAL CLASSIC | $1.99 | one-time |
| NCS®© | $9.99 | one-time |


### Rigips Austria

[App page](https://appshunter.io/ios/app/rigips-austria/id465076497)

This app helps professionals and DIY enthusiasts calculate material needs for various building systems. It provides direct contact information, guides for specific products, and access to planning resources and processing videos. Users can also find dealers and request classification reports.

**Highlights:** Material needs calculation with HORST, Direct contact information for support, Product guides and planning resources, Processing videos, Dealer and processor search, Seminar registration

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

**In-app purchases:** none


## Frequently asked questions

### Is Sto free?

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

### Is Rigips Austria free?

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

### Do Sto or Rigips Austria have ads?

Neither Sto nor Rigips Austria shows ads.

### Which is updated more often, Sto or Rigips Austria?

Sto ships an update monthly, and Rigips Austria every 5 months. Most recently, Sto was updated on November 1, 2026 and Rigips Austria on November 1, 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.*