# Block Bricks! vs Wallpapers 18

The clearest difference is in-app purchases: Block Bricks! at none against Wallpapers 18's 3. Block Bricks! also leads on ads (none vs shown) and iOS requirement (10.0 vs 14.0). Wallpapers 18's advantage is update cadence (every 6 days vs every 19 months). On price and device support there is nothing between them.

Both are free to download. Wallpapers 18 sells 3 in-app purchases, starting at $6.99 per 7 days. Block Bricks! asks for nothing beyond the download.

Block Bricks! ships an update every 19 months, Wallpapers 18 every 6 days. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Block Bricks! | Wallpapers 18 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 40 MB | 99 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杰 张](https://appshunter.io/developer/397619995) | [Isha Bhingradiya](https://appshunter.io/developer/1751652321) |

## What reviewers say

### Block Bricks!

[App page](https://appshunter.io/ios/app/block-bricks/id1273785201)

This tool helps users find profitable cryptocurrency arbitrage opportunities by displaying price differences across various markets. It allows for quick identification of coins with significant price discrepancies, enabling informed trading decisions.

**Highlights:** Cryptocurrency arbitrage tool, Displays coin price differences, Shows all market prices, Identifies price discrepancies

**Features:** macOS Compatibility

**In-app purchases:** none


### Wallpapers 18

[App page](https://appshunter.io/ios/app/wallpapers-18-retro-themes/id6504270885)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Retro Wallpaper One Week | $6.99 | per 7 days |
| Retro Wallpaper One Month | $12.99 | per month |
| Retro Wallpaper Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Block Bricks! free?

Block Bricks! is free to download, with no in-app purchases.

### Is Wallpapers 18 free?

Wallpapers 18 is free to download, with in-app purchases available.

### Do Block Bricks! or Wallpapers 18 have ads?

Wallpapers 18 shows ads; Block Bricks! does not.

### Which is updated more often, Block Bricks! or Wallpapers 18?

Block Bricks! ships an update every 19 months, and Wallpapers 18 every 6 days. Most recently, Block Bricks! was updated on October 10, 2026 and Wallpapers 18 on October 9, 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.*