# Block Blast Dark vs SUDU

The clearest difference is update cadence: SUDU at every 4 days against Block Blast Dark's monthly. SUDU also leads on rating (5.0 vs 4.8). Block Blast Dark's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Block Blast Dark sells 1 one-off in-app purchase and SUDU sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SUDU holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 8 and 3 respectively.

Block Blast Dark ships an update monthly, SUDU every 4 days. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Block Blast Dark | SUDU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8 ratings)](https://appshunter.io/ios/app/block-blast-dark/id6740257943/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sudu-math-rush/id6779705814/reviews)** |
| Number of ratings | **8** | 3 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 98 MB | 51 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Rally Games Co](https://appshunter.io/developer/1486583117) | [MTS Apps LLC](https://appshunter.io/developer/6774655495) |

## What reviewers say

### Block Blast Dark

[App page](https://appshunter.io/ios/app/block-blast-dark/id6740257943)

A relaxing and addictive puzzle game with a dark theme. Drop blocks to clear rows and columns, chain combos for high scores, and compete on leaderboards. Enjoy offline play and challenging adventure modes.

**Highlights:** Drop and blast blocks, Score combos, Compete on leaderboards, Adventure mode challenges, Offline play, Eye-friendly dark theme

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads Forever | $3.99 | one-time |


### SUDU

[App page](https://appshunter.io/ios/app/sudu-math-rush/id6779705814)

Engage in rapid arithmetic challenges, clearing boards by solving puzzles that combine basic operations. Earn stars and power-ups as you progress through increasingly difficult levels. Train your mental math skills and compete on leaderboards.

**Highlights:** Fast-paced arithmetic puzzles, Addition, subtraction, multiplication, division, Increasing difficulty, Freeze and Zap power-ups, Practice mode, Leaderboards, Mental math training

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Block Blast Dark free?

Block Blast Dark is free to download, with in-app purchases available.

### Is SUDU free?

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

### Which has better reviews, Block Blast Dark or SUDU?

SUDU is rated higher. Block Blast Dark averages 4.8 out of 5 from 8 ratings, while SUDU averages 5.0 from 3 ratings.

### Do Block Blast Dark or SUDU have ads?

Both Block Blast Dark and SUDU show ads.

### Which is updated more often, Block Blast Dark or SUDU?

Block Blast Dark ships an update monthly, and SUDU every 4 days. Most recently, Block Blast Dark was updated on October 13, 2026 and SUDU on October 5, 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.*