# FIET — Fut-sal Test

> Fut-sal Test (iPhone/iPad app by Joaquin Madera Gil.)

- Source: https://appshunter.io/ios/app/fiet/id1528561290 (this page in markdown: same URL + `.md`)
- Developer: [Joaquin Madera Gil](https://appshunter.io/developer/1141354618)
- Category: Sports, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 9 MB
- Languages: English, Spanish
- Released: 2021-01-24
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/fiet/id1528561290/reviews.md

## What is FIET?

The FIET was developed by Barbero et al. with the aim to test Football and Futsal players' ability to deal with high-intensity intermittent exercise. The test protocol was a consequence of match and time-motion analysis to support the logical validity of the FIET.
The FIET consists of shuttle-running bouts of 45 m (i.e., 3 × 15 m) performed at progressive speeds until exhaustion dictated by prerecorded audio cues.
Every 45-m, subjects are allowed to actively rest for 10 seconds.
After each 8 × 45 m, bout players passively rest for 30 seconds before continuing. The starting speed is set at 9 km·h−1, and speed increments during the first 9 × 45-m bouts are of 0.33 km−1, successively shifting to 0.20 km·h−1 every 45 m until exhaustion.


## Version history (last 5 releases)

### 1.2.3 — 2025-02-26

Library update.

### 1.2.1 — 2024-04-16

Dark mode.

### 1.2.0 — 2023-12-23

Minor fixes.

### 1.0.2 — 2023-03-22

Bug fixes.

### 1.0.1 — 2021-02-14

Error correction

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## More apps by Joaquin Madera Gil

- [Yoga en Esencia](https://appshunter.io/ios/app/yoga-en-esencia/id1141354619)

All apps by Joaquin Madera Gil: https://appshunter.io/developer/1141354618

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*