# Metabolic Research Lab vs Flowvault

The clearest difference is in-app purchases: Metabolic Research Lab at none against Flowvault's 4. Flowvault's advantage is update cadence (daily vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flowvault sells 4 in-app purchases, starting at $9.99 per month. Metabolic Research Lab asks for nothing beyond the download.

Metabolic Research Lab ships an update every 6 weeks, Flowvault daily. The most recent releases landed on September 18, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Metabolic Research Lab | Flowvault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/flowvault-dance-app/id6762392407/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | — | Freemium |
| Size | 92 MB | 46 MB |
| Requires iOS | **14.3** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Metaflow](https://appshunter.io/developer/1030318472) | [Frances Tang](https://appshunter.io/developer/1870997160) |

## What reviewers say

### Metabolic Research Lab

[App page](https://appshunter.io/ios/app/metabolic-research-lab/id6445818072)

**In-app purchases:** none


### Flowvault

[App page](https://appshunter.io/ios/app/flowvault-dance-app/id6762392407)

This app helps pole dancers track and remember every move they learn. Log new moves, attach photos or videos, and monitor your progress from beginner to mastered. Create custom choreographies and receive training recommendations to enhance your practice.

**Highlights:** Log and track pole dance moves, Attach photos and videos to moves, Categorize moves by status (New, Working On, Mastered), Create custom choreographies, View progression timeline, Receive training recommendations, Save and tag moves from social media

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flowvault Starter Monthly | $9.99 | per month |
| FlowVault Pro Monthly | $19.99 | per month |
| FlowVault Starter Annual | $99.99 | per year |
| FlowVault Pro Annual | $199.00 | per year |


## Frequently asked questions

### Is Metabolic Research Lab free?

Metabolic Research Lab is free to download, with no in-app purchases.

### Is Flowvault free?

Flowvault is free to download, with in-app purchases available.

### Do Metabolic Research Lab or Flowvault have ads?

Neither Metabolic Research Lab nor Flowvault shows ads.

### Which is updated more often, Metabolic Research Lab or Flowvault?

Metabolic Research Lab ships an update every 6 weeks, and Flowvault daily. Most recently, Metabolic Research Lab was updated on September 18, 2026 and Flowvault on October 1, 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.*