# GROUNDUP vs InterFITAI

The clearest difference is in-app purchases: GROUNDUP at none against InterFITAI's 3. InterFITAI's advantage is device support (3 vs 1) and iOS requirement (14.0.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. InterFITAI sells 3 in-app purchases, starting at $22.99 per month. GROUNDUP asks for nothing beyond the download.

GROUNDUP ships an update every 6 weeks, InterFITAI monthly. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | GROUNDUP | InterFITAI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 167 MB | 39 MB |
| Requires iOS | 16.0 | **14.0.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 9+ | 17+ |
| Developer | [VIVA Leisure](https://appshunter.io/developer/1474760145) | [Sebastian Rush](https://appshunter.io/developer/1756418567) |

## What reviewers say

### GROUNDUP

[App page](https://appshunter.io/ios/app/groundup/id6479574546)

This app allows users to book fitness classes and manage their accounts for a variety of movement disciplines. It offers a supportive community and expert instructors for all skill levels, with unlimited class options.

**Highlights:** Book fitness classes, Manage user accounts, Variety of class types (Reformer, Pilates, Yoga, Barre), Supportive community, Expert instructors, Unlimited class options

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

**In-app purchases:** none


### InterFITAI

[App page](https://appshunter.io/ios/app/interfitai/id6529524102)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $22.99 | per month |
| 3 Months | $59.99 | per 3 months |
| 1 Year | $199.99 | per year |


## Frequently asked questions

### Is GROUNDUP free?

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

### Is InterFITAI free?

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

### Do GROUNDUP or InterFITAI have ads?

Neither GROUNDUP nor InterFITAI shows ads.

### Which is updated more often, GROUNDUP or InterFITAI?

GROUNDUP ships an update every 6 weeks, and InterFITAI monthly. Most recently, GROUNDUP was updated on September 23, 2026 and InterFITAI on September 10, 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.*