Comparison

viiiv vs NeckStrong

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

viiiv

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
Read full description

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.

About

NeckStrong

Features
Read full description

Isometrics Head Exercise is a simple daily routine designed to help relieve neck pain and tension. Just press start and follow the guided 10-minute session — short, gentle isometric movements that strengthen your neck and shoulder muscles without strain. Features: - Guided 10-minute daily routine - Audio cues so you can keep your eyes closed and focus - Track your sessions, streak and total time - Works fully offline — no account required - Available in English, Spanish, French, Hindi, Portuguese, Russian, Chinese and Arabic Perfect for office workers, students, drivers, and anyone who spends long hours looking at a screen.

Screenshots

viiiv4 screens
NeckStrong2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 6 level
viiiv versus NeckStrong: the parameters behind the verdict, then further details
ParameterviiivNeckStrong
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 months — betterEvery 80 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better14.0
Further details — not scored
Size36 MB34 MB
Age rating4+4+
DeveloperLess Is More LLCCloudSpirit Limited

In-app purchases

None

viiiv

No in-app purchases

None

NeckStrong

No in-app purchases

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.

Other comparisons