# In Functional Studio vs Caloo

The clearest difference is in-app purchases: In Functional Studio at none against Caloo's 8. In Functional Studio also leads on ads (none vs shown). Caloo's advantage is update cadence (monthly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Caloo sells 8 in-app purchases, starting at $4.99 per 7 days. In Functional Studio asks for nothing beyond the download.

In Functional Studio ships an update every 2 months, Caloo monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | In Functional Studio | Caloo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Size | 51 MB | 97 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BSPORT](https://appshunter.io/developer/1356621553) | [Mefood Omics SL](https://appshunter.io/developer/1537054276) |

## What reviewers say

### In Functional Studio

[App page](https://appshunter.io/ios/app/in-functional-studio/id6462894550)

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

**In-app purchases:** none


### Caloo

[App page](https://appshunter.io/ios/app/caloo-beyond-calories/id6747340138)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $4.99 | per 7 days |
| Suscripción mensual friends | $7.99 | per month |
| Caloo mensual | $9.99 | per month |
| Caloo full weekly plan | $12.99 | per 7 days |
| Suscripción anual friends | $34.99 | per year |
| Caloo full monthly plan | $39.99 | per month |
| Suscripción anual | $44.99 | per year |
| Caloo full yearly plan | $199.99 | per year |


## Frequently asked questions

### Is In Functional Studio free?

In Functional Studio is free to download, with no in-app purchases.

### Is Caloo free?

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

### Do In Functional Studio or Caloo have ads?

Caloo shows ads; In Functional Studio does not.

### Which is updated more often, In Functional Studio or Caloo?

In Functional Studio ships an update every 2 months, and Caloo monthly. Most recently, In Functional Studio was updated on November 3, 2026 and Caloo on October 30, 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.*