# viiiv vs DYNOSTICS by uVida

The clearest difference is update cadence: DYNOSTICS by uVida at monthly against viiiv's every 2 months. viiiv's advantage is iOS requirement (12.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

viiiv ships an update every 2 months, DYNOSTICS by uVida monthly. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | viiiv | DYNOSTICS by uVida |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/viiiv/id1414467092/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 36 MB | 14 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Less Is More LLC](https://appshunter.io/developer/1224697876) | [uNostics GmbH](https://appshunter.io/developer/1650237565) |

## What reviewers say

### viiiv

[App page](https://appshunter.io/ios/app/viiiv/id1414467092)

This app facilitates isometric strength training by connecting to specialized hardware. It allows users to select from various exercises, track real-time force data, and view progress reports with trend graphs. Users can log their sessions, create group accounts for clients, and share detailed performance summaries.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### DYNOSTICS by uVida

[App page](https://appshunter.io/ios/app/dynostics-by-uvida/id1661273553)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is viiiv free?

viiiv is free to download, with no in-app purchases.

### Is DYNOSTICS by uVida free?

DYNOSTICS by uVida is free to download, with no in-app purchases.

### Do viiiv or DYNOSTICS by uVida have ads?

Neither viiiv nor DYNOSTICS by uVida shows ads.

### Which is updated more often, viiiv or DYNOSTICS by uVida?

viiiv ships an update every 2 months, and DYNOSTICS by uVida monthly. Most recently, viiiv was updated on October 10, 2026 and DYNOSTICS by uVida on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*