# hot phiit vs Flow Lab.

The clearest difference is ads: Flow Lab. at none against hot phiit's shown. hot phiit's advantage is update cadence (every 3 weeks vs every 42 months) and iOS requirement (13.7 vs 16.0). On price, 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.

hot phiit ships an update every 3 weeks, Flow Lab. every 42 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | hot phiit | Flow Lab. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (289 ratings)](https://appshunter.io/ios/app/hot-phiit/id1577443664/reviews)** | — |
| Number of ratings | **289** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 42 months |
| Monetization | Ad-supported | — |
| Size | 45 MB | 197 MB |
| Requires iOS | **13.7** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jes Lambiase Fitness LLC](https://appshunter.io/developer/1577443666) | [Flow Lab Pilates and Recovery Pty Ltd](https://appshunter.io/developer/1685844612) |

## What reviewers say

### hot phiit

[App page](https://appshunter.io/ios/app/hot-phiit/id1577443664)

Book and manage your high-intensity interval training classes in a heated environment. This app allows you to sign up for sessions, modify existing reservations, and even register friends for classes. Experience a unique fitness regimen combining cardio, muscle toning, and infrared heat for rapid results.

**Highlights:** Class sign-up, Reservation management, Friend registration, Beat-based training, Infrared heat integration

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Flow Lab.

[App page](https://appshunter.io/ios/app/flow-lab/id6448722398)

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

**In-app purchases:** none


## Frequently asked questions

### Is hot phiit free?

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

### Is Flow Lab. free?

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

### Do hot phiit or Flow Lab. have ads?

hot phiit shows ads; Flow Lab. does not.

### Which is updated more often, hot phiit or Flow Lab.?

hot phiit ships an update every 3 weeks, and Flow Lab. every 42 months. Most recently, hot phiit was updated on November 3, 2026 and Flow Lab. on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*