# ZEN vs One Stroke Brain Puzzle

The clearest difference is price: One Stroke Brain Puzzle at Free against ZEN's $0.99. ZEN's advantage is ads (none vs shown) and update cadence (every 11 months vs every 55 months). On in-app purchases and device support there is nothing between them.

One Stroke Brain Puzzle is free to download; ZEN costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ZEN ships an update every 11 months, One Stroke Brain Puzzle every 55 months. The most recent releases landed on August 15, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | ZEN | One Stroke Brain Puzzle |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.0 (2 ratings)](https://appshunter.io/ios/app/zen/id330187669/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 11 months** | Every 55 months |
| Monetization | Paid | — |
| Size | 3 MB | 139 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aleksejs Voloviks](https://appshunter.io/developer/316367204) | [ZIROTEK Corp.](https://appshunter.io/developer/1209821727) |

## What reviewers say

### ZEN

[App page](https://appshunter.io/ios/app/zen/id330187669)

Guide a ball through a challenging labyrinth by using a limited sequence of waves. Avoid sparkling blocks and find the shortest path to the gates. This innovative puzzler tests your precision, reaction, and inventiveness.

**Highlights:** Precision-based gameplay, Reaction challenges, Inventive puzzle mechanics, Limited wave sequences, Labyrinth navigation, Obstacle avoidance

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

**In-app purchases:** none


### One Stroke Brain Puzzle

[App page](https://appshunter.io/ios/app/one-stroke-brain-puzzle/id1225019220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZEN free?

ZEN costs $0.99, with no in-app purchases.

### Is One Stroke Brain Puzzle free?

One Stroke Brain Puzzle is free to download, with no in-app purchases.

### Do ZEN or One Stroke Brain Puzzle have ads?

One Stroke Brain Puzzle shows ads; ZEN does not.

### Which is updated more often, ZEN or One Stroke Brain Puzzle?

ZEN ships an update every 11 months, and One Stroke Brain Puzzle every 55 months. Most recently, ZEN was updated on August 15, 2026 and One Stroke Brain Puzzle on September 13, 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.*