# viiiv vs NeckStrong

The clearest difference is ads: viiiv at none against NeckStrong's shown. viiiv also leads on update cadence (every 2 months vs every 80 months) and iOS requirement (12.0 vs 14.0). On price, 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, NeckStrong every 80 months. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | viiiv | NeckStrong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/viiiv/id1414467092/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 80 months |
| Monetization | Free | — |
| Size | 36 MB | 34 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Less Is More LLC](https://appshunter.io/developer/1224697876) | [CloudSpirit Limited](https://appshunter.io/developer/816154234) |

## 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


### NeckStrong

[App page](https://appshunter.io/ios/app/neckstrong-isometric/id1485815775)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is viiiv free?

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

### Is NeckStrong free?

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

### Do viiiv or NeckStrong have ads?

NeckStrong shows ads; viiiv does not.

### Which is updated more often, viiiv or NeckStrong?

viiiv ships an update every 2 months, and NeckStrong every 80 months. Most recently, viiiv was updated on October 24, 2026 and NeckStrong on October 29, 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.*