# Rift: Fitness Metrics — Improve your fitness.

> Improve your fitness. (iPhone/iPad app by Nucleon AS.)

- Source: https://appshunter.io/ios/app/rift-fitness-metrics/id6477906281 (this page in markdown: same URL + `.md`)
- Developer: [Nucleon AS](https://appshunter.io/developer/1439780833)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: English
- Released: 2024-02-26
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/rift-fitness-metrics/id6477906281/reviews.md

## What is Rift?

Rift is a cycling training companion designed to elevate your fitness journey through insightful data analysis. With seamless integration with Strava, Rift offers a sophisticated yet user-friendly platform to analyze your Efficiency Factor (EF), a crucial metric indicating your aerobic fitness level.


## Version history (last 1 release)

### 1.0 — 2024-02-26

No release notes.

## More apps by Nucleon AS

- [Saga: Lactate Testing](https://appshunter.io/ios/app/saga-lactate-testing/id6478761618)
- [Sauna Journal](https://appshunter.io/ios/app/sauna-journal/id6479173240)
- [Plunge Journal](https://appshunter.io/ios/app/plunge-journal/id6479562788)

All apps by Nucleon AS: https://appshunter.io/developer/1439780833

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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 2026-05-19.*