# Concept Events vs Materials Week

The clearest difference is update cadence: Materials Week at every 3 days against Concept Events's every 8 months. Materials Week also leads on device support. On price, in-app purchases 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.

Concept Events ships an update every 8 months, Materials Week every 3 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Concept Events | Materials Week |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 8 months | **Every 3 days** |
| Size | 111 MB | 116 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Concept Machine Tool Sales, LLC](https://appshunter.io/developer/1740059427) | [OmniChain Nexus Ltd](https://appshunter.io/developer/1876168245) |

## What reviewers say

### Concept Events

[App page](https://appshunter.io/ios/app/concept-events/id6483209943)

**In-app purchases:** none


### Materials Week

[App page](https://appshunter.io/ios/app/materials-week/id6758988468)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Concept Events free?

Concept Events is free to download, with no in-app purchases.

### Is Materials Week free?

Materials Week is free to download, with no in-app purchases.

### Which is updated more often, Concept Events or Materials Week?

Concept Events ships an update every 8 months, and Materials Week every 3 days. Most recently, Concept Events was updated on October 7, 2026 and Materials Week on October 2, 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.*