# viiiv — Connects to the viiiv Pro

> Isometric strength training app with real-time force data and progress tracking. (iPhone/iPad app by Less Is More LLC.)

- Source: https://appshunter.io/ios/app/viiiv/id1414467092 (this page in markdown: same URL + `.md`)
- Developer: [Less Is More LLC](https://appshunter.io/developer/1224697876)
- Category: Health & Fitness, Medical
- Price: Free
- Rating: 5.00/5 from 2 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 36 MB
- Languages: American English
- Released: 2018-08-01
- Data updated: 2026-06-06
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/viiiv/id1414467092/reviews.md

## What is viiiv?

Choose from 8+ exercises and graph real-time force data while performing isometric strength training exercises on the ViiV-Rx.

This app will not function without the viiiv Pro machine to connect to - see https://viiivfitness.com

Log into your User account to save and track your exercise data or use in Guest Mode without an account.  Or create a Group Account for your wellness business to track all of your clients.

Select either 5 (default) or 10 seconds per exercise.

A 50% of Previous Best threshold Trigger Start insures maximum effort.

Progress Reports with trend line graphs for each user and exercise.

A 2-Page Report sharable via email, message, etc. shows Total Overall Strength Improvement after each viiiv session.

## Key features

- 8+ isometric exercises
- Real-time force data graphing
- User account for data logging
- Group accounts for clients
- Progress reports with trend lines
- Sharable 2-page session reports


## Frequently asked questions about viiiv

### Does viiiv require any special equipment?

Yes, viiiv will not function without the viiiv Pro machine to connect to. You can find more information at https://viiivfitness.com.

### What exercises can I do with viiiv?

viiiv offers over 8 different isometric strength training exercises. You can select from these options to perform your workouts.

### Can I track my progress with viiiv?

Yes, viiiv provides progress reports with trend line graphs for each user and exercise. This helps you monitor your strength improvement over time.

### Is viiiv suitable for personal trainers or wellness businesses?

Yes, viiiv allows you to create a Group Account to track all of your clients' exercise data. This is ideal for wellness businesses.

### Can I share my workout results?

Yes, viiiv generates a 2-page report that can be shared via email or messaging. This report details your total overall strength improvement after each session.

### What is the exercise duration setting in viiiv?

You can select either 5 or 10 seconds per exercise. This setting can be adjusted to suit your training needs.

### Does viiiv have ads?

No, viiiv does not contain advertisements. The app is free to use and ad-free.

### What is the age rating for viiiv?

viiiv has an age rating of 4+. This indicates it is suitable for a wide range of users.

## Version history (last 5 releases)

### 4.3 — 2024-08-15

Bug Fix:
-Total Body Strength Improvement % calculation is now more accurate and shows the value to 1 decimal place

### 4.2 — 2024-07-31

Bug Fixes:
-Seat change indicator doesn't show on both graphs (report and single exercise graphs)
-Network connection lost causes app to stop functioning if no data is in the cache
-New accounts trigger start for Leg Press before threshold is reached

### 4.1 — 2023-09-22

Version 4.1 Bug Fixes:
-fixed crash bug for those running the latest  iOS 16.6
-fixed dark mode hiding the Name on the exercise screen
-fixed a crash bug that occurred when logging in and out of Guest mode and then into another account

### 4.0 — 2023-08-23

-Data stored locally and sync'd with server at intervals:  All of your data will be stored locally on the iOS device (i.e. the included Apple iPad) and in the background the data will be sync'd with our server at regular intervals. This way, there is no chance of losing any data no matter what happens because the data will be in 2 separate places.

-Sharing Reports will autofill the User's email address or phone number

-User's name added to the Exercise screen

-Indicator when a Seat or Handle position changes (shown as red bar in graph)

-View half-second by half-second data for each exercise

-Edit exercise data

-Leg Press default for a new User is 250 lbs instead of 100 lbs

### 3.0 — 2022-04-29

Rebranded under new company name 'viiiv Fitness' and new logo.

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## More apps by Less Is More LLC

- [AudioSichos](https://appshunter.io/ios/app/audiosichos/id1224697877)

All apps by Less Is More LLC: https://appshunter.io/developer/1224697876

## Related topics

[viiiv](https://appshunter.io/ios/topics/viiiv)

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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 2026-06-06.*