# FolioMetrics vs Protein Studios

FolioMetrics and Protein Studios are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

FolioMetrics ships an update every 7 months, Protein Studios every 11 months. The most recent releases landed on September 9, 2026 and February 24, 2026 respectively.

## The numbers

| Metric | FolioMetrics | Protein Studios |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 11 months |
| Size | 198 MB | 133 MB |
| Requires iOS | **12.2** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FolioMetrics](https://appshunter.io/developer/1060594730) | [Protein Holdings Ltd](https://appshunter.io/developer/1451262897) |

## What reviewers say

### FolioMetrics

[App page](https://appshunter.io/ios/app/foliometrics/id1060594731)

**Features:** macOS Compatibility

**In-app purchases:** none


### Protein Studios

[App page](https://appshunter.io/ios/app/protein-studios/id6469599300)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FolioMetrics free?

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

### Is Protein Studios free?

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

### Do FolioMetrics or Protein Studios have ads?

Neither FolioMetrics nor Protein Studios shows ads.

### Which is updated more often, FolioMetrics or Protein Studios?

FolioMetrics ships an update every 7 months, and Protein Studios every 11 months. Most recently, FolioMetrics was updated on September 9, 2026 and Protein Studios on February 24, 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.*