# IAP Iowa vs Engineered Per4mance

IAP Iowa and Engineered Per4mance are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

IAP Iowa ships an update every 36 months, Engineered Per4mance every 46 months. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | IAP Iowa | Engineered Per4mance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/iap-iowa/id1496520188/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 36 months** | Every 46 months |
| Monetization | Ad-supported | — |
| Size | 124 MB | 91 MB |
| Requires iOS | **14.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Innovative Athletics Sports Performance, LLC](https://appshunter.io/developer/1496520187) | [Engineered Performance](https://appshunter.io/developer/1876053679) |

## What reviewers say

### IAP Iowa

[App page](https://appshunter.io/ios/app/iap-iowa/id1496520188)

Plan and schedule your fitness classes directly from your device. View class schedules, sign up for sessions, and access studio location information. Optimize your time and convenience for booking workouts.

**Highlights:** View class schedules, Sign up for classes, Studio location information, Schedule management, Device-based booking

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Engineered Per4mance

[App page](https://appshunter.io/ios/app/engineered-per4mance/id1623876256)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is IAP Iowa free?

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

### Is Engineered Per4mance free?

Engineered Per4mance is free to download, with no in-app purchases.

### Do IAP Iowa or Engineered Per4mance have ads?

Both IAP Iowa and Engineered Per4mance show ads.

### Which is updated more often, IAP Iowa or Engineered Per4mance?

IAP Iowa ships an update every 36 months, and Engineered Per4mance every 46 months. Most recently, IAP Iowa was updated on October 9, 2026 and Engineered Per4mance 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.*