# Spivi vs Metabolic Testing Center

The clearest difference is rating: Metabolic Testing Center at 5.0 against Spivi's 3.1. Metabolic Testing Center also leads on iOS requirement (15.0 vs 17.0). Spivi's advantage is ratings volume (18 vs 1) and update cadence (every 12 months vs every 25 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Metabolic Testing Center holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Spivi has 18 ratings behind it against 1, so its average is the more settled of the two.

Spivi ships an update every 12 months, Metabolic Testing Center every 25 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Spivi | Metabolic Testing Center |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (18 ratings)](https://appshunter.io/ios/app/spivi/id1202623143/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/metabolic-testing-center/id1643770480/reviews)** |
| Number of ratings | **18** | 1 |
| Positive reviews | 13.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 12 months** | Every 25 months |
| Monetization | Free | Free |
| Size | 23 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spivi](https://appshunter.io/developer/1202623142) | [Richardson Wellness, LLC](https://appshunter.io/developer/1643770482) |

## What reviewers say

### Spivi

[App page](https://appshunter.io/ios/app/spivi/id1202623143)

Manage your fitness journey with this app. Book classes, connect with your club, participate in challenges, and monitor your workout progress. Track your achievements and stay motivated.

**Highlights:** Book and join classes, Connect with fitness club, Join challenges, Review workouts, Track progress

**In-app purchases:** none


### Metabolic Testing Center

[App page](https://appshunter.io/ios/app/metabolic-testing-center/id1643770480)

This personalized food tracker customizes diet plans based on your resting metabolic rate test. It helps clients stay connected online for support and adjusts macronutrients to match your body's fuel source for goal achievement.

**Highlights:** Personalized diet plans, Resting metabolic rate integration, Food journaling, Weight recording, Daily macro tracking, Expert advice access, Activity logging

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spivi free?

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

### Is Metabolic Testing Center free?

Metabolic Testing Center is free to download, with no in-app purchases.

### Which has better reviews, Spivi or Metabolic Testing Center?

Metabolic Testing Center is rated higher. Spivi averages 3.1 out of 5 from 18 ratings, while Metabolic Testing Center averages 5.0 from 1 ratings.

### Do Spivi or Metabolic Testing Center have ads?

Neither Spivi nor Metabolic Testing Center shows ads.

### Which is updated more often, Spivi or Metabolic Testing Center?

Spivi ships an update every 12 months, and Metabolic Testing Center every 25 months. Most recently, Spivi was updated on November 2, 2026 and Metabolic Testing Center on November 3, 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.*