# SLT vs hot phiit

The clearest difference is ads: SLT at none against hot phiit's shown. SLT also leads on ratings volume (3.3K vs 203). hot phiit's advantage is review sentiment (100% vs 71%) and iOS requirement (13.7 vs 16.0). On price, rating, update cadence and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for SLT against 5.0 for hot phiit. That said, the two scores are not equally well evidenced: SLT has 3.3K ratings behind it against 203, so its average is the more settled of the two. Written reviews are what separate them: 71% of SLT's written reviews are positive against 100% of hot phiit's.

SLT ships an update every 4 weeks, hot phiit every 3 weeks. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | SLT | hot phiit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3.3K ratings)](https://appshunter.io/ios/app/slt/id1473159998/reviews)** | [5.0 (203 ratings)](https://appshunter.io/ios/app/hot-phiit/id1577443664/reviews) |
| Number of ratings | **3.3K** | 203 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Ad-supported | Ad-supported |
| Size | 38 MB | 45 MB |
| Requires iOS | 16.0 | **13.7** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mariana Tek Corporation](https://appshunter.io/developer/1178746980) | [Jes Lambiase Fitness LLC](https://appshunter.io/developer/1577443666) |

## What reviewers say

### SLT

[App page](https://appshunter.io/ios/app/slt/id1473159998)

Book and manage fitness classes directly from your phone. View studio schedules, purchase class packages, and access your account information. Stay connected with the studio through social media links.

**Highlights:** Book classes, View studio schedules, Purchase class packages, Manage account, View reservations, Find studio locations

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SLT free?

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

### Is hot phiit free?

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

### Which has better reviews, SLT or hot phiit?

SLT is rated higher. SLT averages 5.0 out of 5 from 3.3K ratings, while hot phiit averages 5.0 from 203 ratings.

### Do SLT or hot phiit have ads?

hot phiit shows ads; SLT does not.

### Which is updated more often, SLT or hot phiit?

SLT ships an update every 4 weeks, and hot phiit every 3 weeks. Most recently, SLT was updated on October 1, 2026 and hot phiit on September 28, 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.*