# Function Studios vs DEMI ON DEMAND

The clearest difference is update cadence: Function Studios at every 3 weeks against DEMI ON DEMAND's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Function Studios ships an update every 3 weeks, DEMI ON DEMAND every 2 months. The most recent releases landed on October 21, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Function Studios | DEMI ON DEMAND |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/function-studios/id6743327343/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 121 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Function Studios Inc.](https://appshunter.io/developer/1637660587) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### Function Studios

[App page](https://appshunter.io/ios/app/function-studios/id6743327343)

Browse and purchase fitness class packs and memberships. View the class schedule, filter by type, and book reservations. Manage your upcoming classes to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, View class schedule, Filter classes by type, Manage class reservations, Stay organized with fitness goals

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### DEMI ON DEMAND

[App page](https://appshunter.io/ios/app/demi-on-demand/id6757522867)

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

**In-app purchases:** none


## Frequently asked questions

### Is Function Studios free?

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

### Is DEMI ON DEMAND free?

DEMI ON DEMAND is free to download, with no in-app purchases.

### Do Function Studios or DEMI ON DEMAND have ads?

Neither Function Studios nor DEMI ON DEMAND shows ads.

### Which is updated more often, Function Studios or DEMI ON DEMAND?

Function Studios ships an update every 3 weeks, and DEMI ON DEMAND every 2 months. Most recently, Function Studios was updated on October 21, 2026 and DEMI ON DEMAND on October 14, 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.*