# CSTB Xperience vs GET 17

The clearest difference is iOS requirement: CSTB Xperience at 11.0 against GET 17's 14.0.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CSTB Xperience | GET 17 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 121 MB | 47 MB |
| Requires iOS | **11.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Immersion Tools](https://appshunter.io/developer/663358096) | [GET 17](https://appshunter.io/developer/1865875275) |

## What reviewers say

### CSTB Xperience

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

**Features:** macOS Compatibility

**In-app purchases:** none


### GET 17

[App page](https://appshunter.io/ios/app/get-17/id6757301281)

**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 GET 17 free?

GET 17 is free to download, with no in-app purchases.

### Do CSTB Xperience or GET 17 have ads?

Neither CSTB Xperience nor GET 17 shows ads.

### Which is updated more often, CSTB Xperience or GET 17?

CSTB Xperience ships an update every 3 months, and GET 17 every 3 months. Most recently, CSTB Xperience was updated on October 7, 2026 and GET 17 on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*