# Blackout Grid vs ZEN Tile Flow

The clearest difference is in-app purchases: Blackout Grid at none against ZEN Tile Flow's 1. ZEN Tile Flow's advantage is update cadence (every 2 weeks vs monthly) and iOS requirement (13.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. ZEN Tile Flow sells 1 one-off in-app purchase. Blackout Grid asks for nothing beyond the download.

Blackout Grid ships an update monthly, ZEN Tile Flow every 2 weeks. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Blackout Grid | ZEN Tile Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 4 MB | 43 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [AM8 B.V.](https://appshunter.io/developer/1864964251) | [YURY NICKOLAEVICH BREI](https://appshunter.io/developer/1895503289) |

## What reviewers say

### Blackout Grid

[App page](https://appshunter.io/ios/app/blackout-grid/id6757764825)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### ZEN Tile Flow

[App page](https://appshunter.io/ios/app/zen-tile-flow-pipe-puzzle/id6773094129)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium Unlock | $3.99 | one-time |


## Frequently asked questions

### Is Blackout Grid free?

Blackout Grid is free to download, with no in-app purchases.

### Is ZEN Tile Flow free?

ZEN Tile Flow is free to download, with in-app purchases available.

### Do Blackout Grid or ZEN Tile Flow have ads?

Neither Blackout Grid nor ZEN Tile Flow shows ads.

### Which is updated more often, Blackout Grid or ZEN Tile Flow?

Blackout Grid ships an update monthly, and ZEN Tile Flow every 2 weeks. Most recently, Blackout Grid was updated on November 5, 2026 and ZEN Tile Flow on November 10, 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.*