# Zählerblick vs Postfach

The clearest difference is update cadence: Postfach at daily against Zählerblick's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Zählerblick sells 1 one-off in-app purchase and Postfach sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Zählerblick ships an update every 3 weeks, Postfach daily. Both last shipped on November 13, 2026.

## The numbers

| Metric | Zählerblick | Postfach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 16 MB | 24 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jens Hoffmann](https://appshunter.io/developer/6774591009) | [esense GmbH](https://appshunter.io/developer/1545555949) |

## What reviewers say

### Zählerblick

[App page](https://appshunter.io/ios/app/zahlerblick-meter-tracker/id6774945422)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zählerblick Pro | $4.99 | one-time |


### Postfach

[App page](https://appshunter.io/ios/app/postfach-private-mail/id6809901522)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postfach Pro | $22.99 | one-time |


## Frequently asked questions

### Is Zählerblick free?

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

### Is Postfach free?

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

### Do Zählerblick or Postfach have ads?

Neither Zählerblick nor Postfach shows ads.

### Which is updated more often, Zählerblick or Postfach?

Zählerblick ships an update every 3 weeks, and Postfach daily. Most recently, Zählerblick was updated on November 13, 2026 and Postfach on November 13, 2026.

---

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