# Calla vs Physique & Body Fat

The clearest difference is update cadence: Physique & Body Fat at daily against Calla's every 4 days. Calla's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Calla sells 2 in-app purchases, starting at $7.99 per month and Physique & Body Fat sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Calla ships an update every 4 days, Physique & Body Fat daily. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Calla | Physique & Body Fat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Size | 69 MB | 23 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Arman Malkhasyan](https://appshunter.io/developer/6804423803) | [Felipe Passos](https://appshunter.io/developer/1546735492) |

## What reviewers say

### Calla

[App page](https://appshunter.io/ios/app/calla-perimenopause-tracker/id6804423801)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calla Pro - Monthly | $7.99 | per month |
| Calla Pro - Yearly | $39.99 | per year |


### Physique & Body Fat

[App page](https://appshunter.io/ios/app/physique-and-body-fat-corpus/id6807067347)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Corpus Premium Monthly | $7.99 | per month |
| Corpus Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Calla free?

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

### Is Physique & Body Fat free?

Physique & Body Fat is free to download, with in-app purchases available.

### Do Calla or Physique & Body Fat have ads?

Neither Calla nor Physique & Body Fat shows ads.

### Which is updated more often, Calla or Physique & Body Fat?

Calla ships an update every 4 days, and Physique & Body Fat daily. Most recently, Calla was updated on October 18, 2026 and Physique & Body Fat on October 20, 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.*