# Block Logic vs Skein.ch

The clearest difference is ads: Skein.ch at none against Block Logic's shown. Skein.ch also leads on update cadence (every 2 months vs every 19 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Block Logic ships an update every 19 months, Skein.ch every 2 months. The most recent releases landed on October 14, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Block Logic | Skein.ch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (55 ratings)](https://appshunter.io/ios/app/block-logic-brain-training-iq/id912125030/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 2 months** |
| Monetization | Ad-supported | — |
| Size | 26 MB | 31 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Javier Campana](https://appshunter.io/developer/788478773) | [Appik Studio Sarl](https://appshunter.io/developer/1025795358) |

## What reviewers say

### Block Logic

[App page](https://appshunter.io/ios/app/block-logic-brain-training-iq/id912125030)

This app offers daily brain training exercises to enhance memory and concentration. It features 20 progressive difficulty levels to challenge your cognitive skills and improve mental agility through short, relaxing gameplay sessions.

**Highlights:** Memory and concentration improvement, Daily brain training sessions, 20 progressive difficulty levels, Track progress and beat records, Simple rules, challenging patterns

**Features:** macOS Compatibility

**In-app purchases:** none


### Skein.ch

[App page](https://appshunter.io/ios/app/skeinch/id6504457541)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Logic free?

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

### Is Skein.ch free?

Skein.ch is free to download, with no in-app purchases.

### Do Block Logic or Skein.ch have ads?

Block Logic shows ads; Skein.ch does not.

### Which is updated more often, Block Logic or Skein.ch?

Block Logic ships an update every 19 months, and Skein.ch every 2 months. Most recently, Block Logic was updated on October 14, 2026 and Skein.ch 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.*