# ZEN browser vs Partial fraction decomposition

The clearest difference is rating: Partial fraction decomposition at 5.0 against ZEN browser's 3.0. Partial fraction decomposition also leads on update cadence (every 10 days vs every 26 months) and device support (3 vs 1). ZEN browser's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 13.0). On price, ratings volume and ads there is nothing between them.

Both are free to download. Partial fraction decomposition sells 1 one-off in-app purchase. ZEN browser asks for nothing beyond the download.

Partial fraction decomposition holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

ZEN browser ships an update every 26 months, Partial fraction decomposition every 10 days. The most recent releases landed on October 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ZEN browser | Partial fraction decomposition |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/zen-browser/id665543029/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/partial-fraction-decomposition/id1661102075/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 10 days** |
| Monetization | **Free** | Freemium |
| Size | 45 MB | 2 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Carl Zeiss AG](https://appshunter.io/developer/488066215) | [Siu Yuen Ho](https://appshunter.io/developer/814088527) |

## What reviewers say

### ZEN browser

[App page](https://appshunter.io/ios/app/zen-browser/id665543029)

This application allows educators and researchers to navigate and view image databases on iPads. It facilitates collaboration by enabling image sharing, annotation, and Z-stack navigation. Access your research data remotely for presentations and discussions.

**Highlights:** Navigate image databases, View Z-stacks, Insert annotations, Share images with colleagues, Access ZEISS demo server

**In-app purchases:** none


### Partial fraction decomposition

[App page](https://appshunter.io/ios/app/partial-fraction-decomposition/id1661102075)

Calculate partial fraction decomposition with detailed steps. Export and print your calculations. Ideal for students, engineers, and professionals needing mathematical assistance.

**Highlights:** Partial fraction decomposition calculation, Show calculation steps, Export calculations to PDF, Print calculation steps, Supports up to second-degree polynomials, Unlimited polynomial degree (Pro)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro feature | $1.99 | one-time |


## Frequently asked questions

### Is ZEN browser free?

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

### Is Partial fraction decomposition free?

Partial fraction decomposition is free to download, with in-app purchases available.

### Which has better reviews, ZEN browser or Partial fraction decomposition?

Partial fraction decomposition is rated higher. ZEN browser averages 3.0 out of 5 from 2 ratings, while Partial fraction decomposition averages 5.0 from 1 ratings.

### Do ZEN browser or Partial fraction decomposition have ads?

Neither ZEN browser nor Partial fraction decomposition shows ads.

### Which is updated more often, ZEN browser or Partial fraction decomposition?

ZEN browser ships an update every 26 months, and Partial fraction decomposition every 10 days. Most recently, ZEN browser was updated on October 22, 2026 and Partial fraction decomposition on October 30, 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.*