# ZAC vs Rex Time Switch

The clearest difference is update cadence: ZAC at every 2 months against Rex Time Switch's every 18 months. Rex Time Switch's advantage is iOS requirement (10.0 vs 15.0). 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.

ZAC ships an update every 2 months, Rex Time Switch every 18 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ZAC | Rex Time Switch |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 11.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 18 months |
| Monetization | Free | — |
| Size | 60 MB | 77 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matysik Beteiligungs GmbH](https://appshunter.io/developer/1626971362) | [Legrand](https://appshunter.io/developer/357003650) |

## What reviewers say

### ZAC

[App page](https://appshunter.io/ios/app/zac-zeitschiftenangebotcheck/id1186736679)

Scan magazine barcodes to quickly check their current status and offer expiration dates. This app helps manage inventory, remove old issues, and provides detailed information on thousands of titles.

**Highlights:** Barcode scanning for magazines, Check offer expiration status, Information on thousands of titles, Supports inventory management, Provides article number and price, Displays delivery and next issue dates

**Features:** macOS Compatibility

**In-app purchases:** none


### Rex Time Switch

[App page](https://appshunter.io/ios/app/rex-time-switch/id1509933102)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZAC free?

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

### Is Rex Time Switch free?

Rex Time Switch is free to download, with no in-app purchases.

### Do ZAC or Rex Time Switch have ads?

Neither ZAC nor Rex Time Switch shows ads.

### Which is updated more often, ZAC or Rex Time Switch?

ZAC ships an update every 2 months, and Rex Time Switch every 18 months. Most recently, ZAC was updated on November 2, 2026 and Rex Time Switch on October 27, 2026.

---

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