Comparison

Metatracker Pro vs viiiv

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

Head to head
About

Metatracker Pro

This app enables health professionals to conduct metabolic analyses and track client data in real-time. Manage client lists, perform resting or active tests, and access system or custom protocols. Request services and manage your credit balance directly within the application.

Highlights
  • Real-time metabolic data
  • Client list management
  • Resting and active testing
  • Customizable protocols
  • Service requests and credit top-up
Features
Read full description

Metatracker pro app allows you to use the metabolic analysis system and get real-time data on your clients’ metabolic information. You can track their metabolic profile during a resting or an active test. Also, you can use the app to manage your clients’ list and request services at the checkout options. Before requesting any of the available services, you can get a view of your current credit balance and top it up if needed easily through the app.  Use the Metatracker pro to:  1. Add new clients to your customer list 2. Perform metabolic testing with the system 3. Choose among our system protocols or your customised protocols to start an active test 4. Get a recommended protocol based on your client’s fitness level 5. Request services and top up your credit balance

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.

Screenshots

Metatracker Pro4 screens
viiiv4 screens

Verdict

The call

The clearest difference is rating: viiiv at 5.0 against Metatracker Pro's 3.2. Metatracker Pro's advantage is update cadence (monthly vs every 2 months) and ratings volume (18 vs 3). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

viiiv holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Metatracker Pro has 18 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Metatracker Pro ships an update monthly, viiiv every 2 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Metatracker Pro versus viiiv: the parameters behind the verdict, then further details
ParameterMetatracker Proviiiv
PriceFreeFree
Rating3.2 (18 ratings)5.0 (3 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings18 — better3
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size46 MB36 MB
Age rating4+4+
DeveloperEndoMedical IncLess Is More LLC

Customer experience

Metatracker Pro

All ratings18 ratings
Positive55.6%
Neutral0.0%
Negative44.4%
Written reviews10 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

viiiv

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Metatracker Pro

No in-app purchases

None

viiiv

No in-app purchases

Questions

Is Metatracker Pro free?
Metatracker Pro is free to download, with no in-app purchases.
Is viiiv free?
viiiv is free to download, with no in-app purchases.
Which has better reviews, Metatracker Pro or viiiv?
viiiv is rated higher. Metatracker Pro averages 3.2 out of 5 from 18 ratings, while viiiv averages 5.0 from 3 ratings.
Do Metatracker Pro or viiiv have ads?
Neither Metatracker Pro nor viiiv shows ads.
Which is updated more often, Metatracker Pro or viiiv?
Metatracker Pro ships an update monthly, and viiiv every 2 months. Most recently, Metatracker Pro was updated on October 4, 2026 and viiiv on October 24, 2026.

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