# DigiSF vs Bürkert resistApp

The clearest difference is update cadence: Bürkert resistApp at every 12 months against DigiSF's every 25 months. DigiSF's advantage is iOS requirement (8.0 vs 16.0). 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.

DigiSF ships an update every 25 months, Bürkert resistApp every 12 months. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DigiSF | Bürkert resistApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/burkert-resistapp/id1337027781/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 12 months** |
| Monetization | — | Free |
| Size | 22 MB | 5 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PAKISTAN MOBILE COMMUNICATIONS LTD](https://appshunter.io/developer/976208249) | [Bürkert Fluid Control Systems](https://appshunter.io/developer/1337027780) |

## What reviewers say

### DigiSF

[App page](https://appshunter.io/ios/app/digisf/id1306570528)

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

**In-app purchases:** none


### Bürkert resistApp

[App page](https://appshunter.io/ios/app/burkert-resistapp/id1337027781)

This app provides an interactive chemical resistance chart to help users find compatible materials for various aggressive fluids. It simplifies material selection for specific products and offers offline access to its extensive database.

**Highlights:** Interactive chemical resistance chart, Search by fluid or material, Multiple search function, Search by chemical formula, General temperature information, Offline data access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DigiSF free?

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

### Is Bürkert resistApp free?

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

### Do DigiSF or Bürkert resistApp have ads?

Neither DigiSF nor Bürkert resistApp shows ads.

### Which is updated more often, DigiSF or Bürkert resistApp?

DigiSF ships an update every 25 months, and Bürkert resistApp every 12 months. Most recently, DigiSF was updated on October 26, 2026 and Bürkert resistApp on October 6, 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.*