# Crest Browser vs Postfach

The clearest difference is in-app purchases: Crest Browser at none against Postfach's 1. Postfach's advantage is update cadence (daily vs every 2 weeks) and iOS requirement (18.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Postfach sells 1 one-off in-app purchase. Crest Browser asks for nothing beyond the download.

Crest Browser ships an update every 2 weeks, Postfach daily. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Crest Browser | Postfach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/crest-browser/id6797335023/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 57 MB | 19 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Paul Davis](https://appshunter.io/developer/1877163862) | [esense GmbH](https://appshunter.io/developer/1545555949) |

## What reviewers say

### Crest Browser

[App page](https://appshunter.io/ios/app/crest-browser/id6797335023)

Organize your online life with distinct browsing contexts for work, personal use, and private browsing. Each context has its own tabs, history, and data, ensuring a clean separation of your digital activities.

**Highlights:** Isolated browsing contexts (Spaces), Separate tabs, history, and cookies per Space, Customizable Space identity, Focused sidebar for tabs and history, Peek for temporary link previews, Optional iCloud sync

**In-app purchases:** none


### Postfach

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

**Features:** Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is Crest Browser free?

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

### Is Postfach free?

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

### Do Crest Browser or Postfach have ads?

Neither Crest Browser nor Postfach shows ads.

### Which is updated more often, Crest Browser or Postfach?

Crest Browser ships an update every 2 weeks, and Postfach daily. Most recently, Crest Browser was updated on October 12, 2026 and Postfach on October 13, 2026.

---

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