FASTER by SISSFiT

FASTER by SISSFiT

Audio-coached HIIT workouts

609 ratings
74 reviews
Free
In-App Purchases

Details

  • Released
  • Updated
  • February 27, 2020
  • October 9, 2025

Features

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About

Access audio-coached HIIT cardio and video-led strength workouts from former D1 athletes. Enjoy curated DJ mixes and structured programs for various fitness goals. Integrates with HealthKit to help close activity rings.

Audio-coached cardio workouts
Video-led strength training
Full workout programs
HealthKit integration
Thousands of DJ mixes
Multiple workout types
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What users say

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What's New in FASTER by SISSFiT

2025.09.24

October 9, 2025

Bug fixes and streaming improvements

Subscription plans

SISSFiT Premium Access

Access to SISSFiT's workouts and music.

$19.991 Month
7 Days trial
How to cancel FASTER by SISSFiT subscription ⁉️

User reviews

Love this app so much.

I don’t know what I am doing to do if this app ever goes away. Thank you Lauren and Kelly.

Best app out there

This is by far my favorite workout app. I got it right before Covid hit and it kept me sane throughout lockdown. I still use it at least twice a week. The strength workouts are incredibly efficient and challenging. But the treadmill workouts are next level! I have gotten so much faster since I started using them. I’ve tried other apps just to mix things up, but this one is my go to!
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Great app

Great app for coaches running. It helped me get back into running a half marathon. They also do lots of fun challenges with great prizes!

Run… don’t walk!

Easy to use app and even better workouts! All strength workouts tell you how to set interval timer which is so helpful. Workouts are effective, and efficient. There are challenges you can do that outline 4-6 weeks at a time or you can pick specific workouts you want to do. No matter what you pick, I promise the workouts will have you working hard and you won’t believe how time flies by! You can adapt these workouts to your lifestyle and the equipment you have, whether that’s outdoor runs turned to treadmill or elliptical, you won’t be left feeling disappointed! The audio coaching is spot on when you need to hear those motivating words or how to push yourself when you don’t think you can! The range of music options from fit radio gives you so much variety and great tunes to add to the workouts! As a single mom, these workouts have been a game changer as I can balance getting in a solid workout without spending hours and missing out on family time. Best part has to be how Kelly and Lauren are so passionate about all they do and truly are 100 percent hands on with everything to do with their workouts and programs!
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Highly recommend!

Lots of variety whether you’ve got a treadmill, elliptical or just body weight, and most workouts are 30 min or less. Completely customizable to your fitness level and the support is amazing!!

User experience

🐞

Reported Bugs

2 issues

Difficulty subscribing or purchasing the app

Bug

Pages not loading properly after recent app update

Bug

Requested Features

3 requests

Ability to mark workouts as complete and track progress

Feature

Option to skip or fast-forward through workouts

Feature

More detailed exercise demonstrations and instructions

Feature

FAQ

What kind of workouts does this app offer?

The app provides audio-coached cardio sessions including Treadmill, Tread & Shred (treadmill/weights combo), Outdoor Run, and Elliptical workouts. It also offers video-led strength workouts, Tuesday Toning sessions, and full workout programs like the Accelerate HIIT Treadmill and Strength Program.

How does the music feature work?

The app features thousands of DJ mixes updated weekly across numerous genres. Users can select playlists based on genre, BPM, or activity type, creating an ultimate music experience to accompany their workouts.

What is the cost of the subscription?

New members can get a 14-day free trial. After the trial, the subscription costs $19.99 per month. Payment is charged to your iTunes Account upon confirmation of purchase.

Can this app help me close my activity rings?

Yes, completed workouts are shared with HealthKit. This integration helps you close your activity rings on your Apple Watch, contributing to your overall fitness goals.

What are the benefits of the audio coaching?

The audio coaching aims to replicate the experience of a group fitness class, providing guidance and motivation from former D1 track and field athletes and HIIT cardio specialists. This allows users to get effective coaching at a fraction of the cost of in-person classes.