# 351 Marin Fitness

> 351 Marin Fitness (iPhone/iPad app by 981 Management Company, L.L.C..)

- Source: https://appshunter.io/ios/app/351-marin-fitness/id6475778021 (this page in markdown: same URL + `.md`)
- Developer: [981 Management Company, L.L.C.](https://appshunter.io/developer/1724941398)
- Category: Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 32 MB
- Languages: American English
- Released: 2024-01-12
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/351-marin-fitness/id6475778021/reviews.md

## What is 351 Marin Fitness?

Download the 351 Marin Fitness app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, keep up to date with the latest trainers and services, and more – all from your device.

Visit www.thekregroup.com to learn more.


## Version history (last 4 releases)

### 9.0.3 — 2026-07-24

New release

### 9.0.0 — 2025-11-19

Quicker bookings, frictionless login, and powerful branding - this update has it all. You can book your favorite class 33% faster than before with the new quick-booking feature. Even logging into the app is faster with support for biometric login using a fingerprint or a face scan. Do it all fully immersed in your studio’s brand. We've made some minor bug fixes and user experience improvements.

### 8.3.3 — 2024-01-19

Quicker bookings, frictionless login, and powerful branding - this update has it all. You can book your favorite class 33% faster than before with the new quick-booking feature. Even logging into the app is faster with support for biometric login using a fingerprint or a face scan. Do it all fully immersed in your studio’s brand. We've made some minor bug fixes and user experience improvements.

### 8.3.2 — 2024-01-12

No release notes.

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## More apps by 981 Management Company, L.L.C.

- [225 Grand Fitness](https://appshunter.io/ios/app/225-grand-fitness/id6475717679)
- [Grove Pointe Fitness](https://appshunter.io/ios/app/grove-pointe-fitness/id6475726633)
- [Bay 151 Fitness](https://appshunter.io/ios/app/bay-151-fitness/id6475729347)
- [18 Park Fitness](https://appshunter.io/ios/app/18-park-fitness/id6475775374)
- [235 Grand Fitness](https://appshunter.io/ios/app/235-grand-fitness/id6475776838)

All apps by 981 Management Company, L.L.C.: https://appshunter.io/developer/1724941398

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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 2026-07-29.*