# Abfall App ZEW vs Secure Digital Storage

The clearest difference is update cadence: Abfall App ZEW at every 3 weeks against Secure Digital Storage's every 2 months. Secure Digital Storage's advantage is iOS requirement (13.0 vs 15.1). 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.

Abfall App ZEW ships an update every 3 weeks, Secure Digital Storage every 2 months. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Abfall App ZEW | Secure Digital Storage |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 29 MB | 60 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [regio iT](https://appshunter.io/developer/465895337) | [sedisto GmbH](https://appshunter.io/developer/1691044229) |

## What reviewers say

### Abfall App ZEW

[App page](https://appshunter.io/ios/app/abfall-app-zew/id554103399)

This app provides quick access to individual waste collection dates and reminds you of upcoming appointments for up to five locations. It features an A-Z guide for specific waste disposal and a map of disposal sites with routing.

**Highlights:** Personalized collection date reminders, Waste A-Z guide, Disposal site locator with routing, Notification and calendar integration, Location-based settings

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

**In-app purchases:** none


### Secure Digital Storage

[App page](https://appshunter.io/ios/app/secure-digital-storage/id6449939685)

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

**In-app purchases:** none


## Frequently asked questions

### Is Abfall App ZEW free?

Abfall App ZEW is free to download, with no in-app purchases.

### Is Secure Digital Storage free?

Secure Digital Storage is free to download, with no in-app purchases.

### Do Abfall App ZEW or Secure Digital Storage have ads?

Neither Abfall App ZEW nor Secure Digital Storage shows ads.

### Which is updated more often, Abfall App ZEW or Secure Digital Storage?

Abfall App ZEW ships an update every 3 weeks, and Secure Digital Storage every 2 months. Most recently, Abfall App ZEW was updated on September 18, 2026 and Secure Digital Storage on September 9, 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.*