# IU Natatorium vs Formacore

The clearest difference is update cadence: Formacore at fortnightly against IU Natatorium's every 7 months. IU Natatorium's advantage is iOS requirement (14.0 vs 16.0). 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.

IU Natatorium ships an update every 7 months, Formacore fortnightly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | IU Natatorium | Formacore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/formacore/id6803742791/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 45 MB | 38 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [InnoSoft Canada Inc.](https://appshunter.io/developer/672385534) | [Formacore Pilates LLC](https://appshunter.io/developer/6803742793) |

## What reviewers say

### IU Natatorium

[App page](https://appshunter.io/ios/app/iu-natatorium/id1632034512)

**In-app purchases:** none


### Formacore

[App page](https://appshunter.io/ios/app/formacore/id6803742791)

Easily browse and purchase class packs or membership options. View the schedule, filter classes by type, and manage your reservations to stay organized and committed to your fitness goals.

**Highlights:** Purchase class packs and memberships, Browse class schedule, Filter classes by type, Manage class reservations, Track upcoming classes

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IU Natatorium free?

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

### Is Formacore free?

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

### Do IU Natatorium or Formacore have ads?

Neither IU Natatorium nor Formacore shows ads.

### Which is updated more often, IU Natatorium or Formacore?

IU Natatorium ships an update every 7 months, and Formacore fortnightly. Most recently, IU Natatorium was updated on October 7, 2026 and Formacore on October 8, 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.*