# CSTB Xperience vs Architéa

The clearest difference is update cadence: CSTB Xperience at every 3 months against Architéa's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CSTB Xperience ships an update every 3 months, Architéa every 11 months. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | CSTB Xperience | Architéa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 11 months |
| Size | 121 MB | 28 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Immersion Tools](https://appshunter.io/developer/663358096) | [REA](https://appshunter.io/developer/1317159541) |

## What reviewers say

### CSTB Xperience

[App page](https://appshunter.io/ios/app/cstb-xperience/id1319291754)

**Features:** macOS Compatibility

**In-app purchases:** none


### Architéa

[App page](https://appshunter.io/ios/app/architea/id1663467143)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CSTB Xperience free?

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

### Is Architéa free?

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

### Do CSTB Xperience or Architéa have ads?

Neither CSTB Xperience nor Architéa shows ads.

### Which is updated more often, CSTB Xperience or Architéa?

CSTB Xperience ships an update every 3 months, and Architéa every 11 months. Most recently, CSTB Xperience was updated on October 7, 2026 and Architéa on October 18, 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.*