# Blockzilla vs Mahjong Catalog

The clearest difference is in-app purchases: Mahjong Catalog at none against Blockzilla's 1. Mahjong Catalog also leads on rating (4.0 vs 3.6) and update cadence (every 8 months vs every 34 months). Blockzilla's advantage is ads (none vs shown). On price, review sentiment, ratings volume and device support there is nothing between them.

Both are free to download. Blockzilla sells 1 one-off in-app purchase. Mahjong Catalog asks for nothing beyond the download.

Mahjong Catalog holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 8 and 5 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Blockzilla ships an update every 34 months, Mahjong Catalog every 8 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | Blockzilla | Mahjong Catalog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (8 ratings)](https://appshunter.io/ios/app/blockzilla/id733271597/reviews) | **[4.0 (5 ratings)](https://appshunter.io/ios/app/mahjong-catalog/id1119641615/reviews)** |
| Number of ratings | **8** | 5 |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 8 months** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 1 MB | 340 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [xtravar](https://appshunter.io/developer/510886821) | [MmpApps Corp.](https://appshunter.io/developer/400209427) |

## What reviewers say

### Blockzilla

[App page](https://appshunter.io/ios/app/blockzilla/id733271597)

A vibrant and engaging block-matching game that challenges players to think strategically to advance through levels. Clear groups of blocks to earn points and meet level objectives. Scores accumulate, requiring a minimum to unlock subsequent stages.

**Highlights:** Block-matching gameplay, Strategic progression, Cumulative scoring, Level-based objectives, Colorful graphics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Blockzilla Premium | $0.99 | one-time |


### Mahjong Catalog

[App page](https://appshunter.io/ios/app/mahjong-catalog/id1119641615)

Enjoy classic Mahjong solitaire with over 350 unique tile sets across 20 categories. Customize your favorites, discover a daily featured set, and search for specific themes. Match free tile pairs to clear the board.

**Highlights:** Over 350 tile sets, 20 categories, Customizable favorites, Daily featured tile set, Search by name, Random choice

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Blockzilla free?

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

### Is Mahjong Catalog free?

Mahjong Catalog is free to download, with no in-app purchases.

### Which has better reviews, Blockzilla or Mahjong Catalog?

Mahjong Catalog is rated higher. Blockzilla averages 3.6 out of 5 from 8 ratings, while Mahjong Catalog averages 4.0 from 5 ratings.

### Do Blockzilla or Mahjong Catalog have ads?

Mahjong Catalog shows ads; Blockzilla does not.

### Which is updated more often, Blockzilla or Mahjong Catalog?

Blockzilla ships an update every 34 months, and Mahjong Catalog every 8 months. Most recently, Blockzilla was updated on October 1, 2026 and Mahjong Catalog on October 1, 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.*