# Longest River vs Zerko

The clearest difference is price: Longest River at Free against Zerko's $2.99. Zerko's advantage is ads (none vs shown) and ratings volume (14 vs 4). On rating, review sentiment, update cadence and in-app purchases there is nothing between them.

Longest River is free to download; Zerko costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Longest River against 4.9 for Zerko. Both are backed by a comparable volume of ratings — 4 and 14 respectively. Written reviews are what separate them: 100% of Longest River's written reviews are positive against 93% of Zerko's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on July 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Longest River | Zerko |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/longest-river/id6464080541/reviews)** | [4.9 (14 ratings)](https://appshunter.io/ios/app/zerko/id6470181559/reviews) |
| Number of ratings | 4 | **14** |
| Positive reviews | **100.0% of reviews** | 93.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Ad-supported** | Paid |
| Size | 40 MB | 100 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cloudberry Pine AB](https://appshunter.io/developer/1705456072) | [Maciej Targoni](https://appshunter.io/developer/495165602) |

## What reviewers say

### Longest River

[App page](https://appshunter.io/ios/app/longest-river/id6464080541)

A logic puzzle game where you create the longest possible river paths using stone blocks. Enjoy a relaxing experience with nature and piano sounds as you test your IQ and complete challenging levels.

**Highlights:** Create longest river paths, Logical brain puzzle, Relaxing soundtrack, No time limits, Undo button, Suitable for adults and kids

**Features:** macOS Compatibility

**In-app purchases:** none


### Zerko

[App page](https://appshunter.io/ios/app/zerko/id6470181559)

A relaxing puzzle game where you strategically place blocks to make all numbers on the board equal zero. Enjoy a no-pressure experience with calming audio and no in-app purchases or ads.

**Highlights:** Zero-sum number puzzles, Strategic block placement, Relaxing gameplay, No time pressure, No in-app purchases, No ads

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

**In-app purchases:** none


## Frequently asked questions

### Is Longest River free?

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

### Is Zerko free?

Zerko costs $2.99, with no in-app purchases.

### Which has better reviews, Longest River or Zerko?

Longest River is rated higher. Longest River averages 5.0 out of 5 from 4 ratings, while Zerko averages 4.9 from 14 ratings.

### Do Longest River or Zerko have ads?

Longest River shows ads; Zerko does not.

### Which is updated more often, Longest River or Zerko?

Longest River ships an update every 3 weeks, and Zerko every 3 weeks. Most recently, Longest River was updated on July 1, 2026 and Zerko on September 11, 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.*