# Idemat vs ReQuest

The clearest difference is in-app purchases: Idemat at none against ReQuest's 2. Idemat also leads on iOS requirement (15.0 vs 26.0). ReQuest's advantage is update cadence (every 8 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. ReQuest sells 2 in-app purchases, starting at $4.99 per month. Idemat asks for nothing beyond the download.

Idemat ships an update every 8 months, ReQuest every 8 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Idemat | ReQuest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/idemat/id973292211/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 26 MB | 58 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [joost vogtlander](https://appshunter.io/developer/1117266085) | [Viet Anh Nguyen](https://appshunter.io/developer/6787076708) |

## What reviewers say

### Idemat

[App page](https://appshunter.io/ios/app/idemat/id973292211)

This app helps designers assess the environmental impact of their material choices and processes. It provides extensive data on materials and processes to support sustainable product design, making life cycle assessment more accessible.

**Highlights:** Material and process environmental impact data, Eco-costs and carbon footprint assessment, Sustainable product design support, Life cycle assessment integration, Predefined end-of-life scenarios, Visual rankings and detail screens

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

**In-app purchases:** none


### ReQuest

[App page](https://appshunter.io/ios/app/request-offline-ai-notebook/id6794856000)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReQuest Pro Monthly | $4.99 | per month |
| ReQuest Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is Idemat free?

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

### Is ReQuest free?

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

### Do Idemat or ReQuest have ads?

Neither Idemat nor ReQuest shows ads.

### Which is updated more often, Idemat or ReQuest?

Idemat ships an update every 8 months, and ReQuest every 8 days. Most recently, Idemat was updated on October 13, 2026 and ReQuest on October 12, 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.*