# Molekula vs Sudoblock

The clearest difference is update cadence: Sudoblock at every 5 days against Molekula's every 2 weeks. Sudoblock also leads on iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Molekula ships an update every 2 weeks, Sudoblock every 5 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Molekula | Sudoblock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/molekula/id6758935250/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 193 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stéphan Barbé](https://appshunter.io/developer/313949257) | [Hersey Social Ltd](https://appshunter.io/developer/1736559066) |

## What reviewers say

### Molekula

[App page](https://appshunter.io/ios/app/molekula/id6758935250)

A minimalist and relaxing puzzle game designed for quiet moments. Players interact with molecules in a calm environment without pressure or time limits. It's a hypnotic experience for those seeking a peaceful break.

**Highlights:** Minimalist design, Relaxing gameplay, Hypnotic puzzles, No time pressure, Molecule interaction

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


### Sudoblock

[App page](https://appshunter.io/ios/app/sudoblock/id6776730650)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Molekula free?

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

### Is Sudoblock free?

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

### Do Molekula or Sudoblock have ads?

Both Molekula and Sudoblock show ads.

### Which is updated more often, Molekula or Sudoblock?

Molekula ships an update every 2 weeks, and Sudoblock every 5 days. Most recently, Molekula was updated on October 24, 2026 and Sudoblock on October 4, 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.*