# HISAC® vs ClexFWProg

The clearest difference is iOS requirement: HISAC® at 13.0 against ClexFWProg's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HISAC® ships an update monthly, ClexFWProg every 2 months. The most recent releases landed on August 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | HISAC® | ClexFWProg |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 53 MB | 73 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BSS GmbH](https://appshunter.io/developer/1677581189) | [Uhlmann & Zacher GmbH](https://appshunter.io/developer/1413776543) |

## What reviewers say

### HISAC®

[App page](https://appshunter.io/ios/app/hisac/id6446368934)

**Features:** Vision Pro support

**In-app purchases:** none


### ClexFWProg

[App page](https://appshunter.io/ios/app/clexfwprog/id6470370699)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HISAC® free?

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

### Is ClexFWProg free?

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

### Do HISAC® or ClexFWProg have ads?

Neither HISAC® nor ClexFWProg shows ads.

### Which is updated more often, HISAC® or ClexFWProg?

HISAC® ships an update monthly, and ClexFWProg every 2 months. Most recently, HISAC® was updated on August 23, 2026 and ClexFWProg on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*