# fitli vs TREMBLE Studios

The clearest difference is rating: TREMBLE Studios at 5.0 against fitli's 3.2. TREMBLE Studios also leads on ads (none vs shown) and ratings volume (2.1K vs 24). fitli's advantage is iOS requirement (12.0 vs 16.0). On price, update cadence, 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.

TREMBLE Studios holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: TREMBLE Studios has 2.1K ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 80% of fitli's written reviews are positive against 100% of TREMBLE Studios's.

fitli ships an update every 6 weeks, TREMBLE Studios monthly. The most recent releases landed on July 4, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | fitli | TREMBLE Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (24 ratings)](https://appshunter.io/ios/app/fitli/id1052160597/reviews) | **[5.0 (2.1K ratings)](https://appshunter.io/ios/app/tremble-studios/id1524078282/reviews)** |
| Number of ratings | 24 | **2.1K** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 44 MB | 38 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FITLI LLC](https://appshunter.io/developer/1052160596) | [Coral Tremble Gables LLC](https://appshunter.io/developer/1524078284) |

## What reviewers say

### fitli

[App page](https://appshunter.io/ios/app/fitli/id1052160597)

Discover and book fitness classes and trainers with ease. Find services, pay instantly, and manage your bookings all in one place. Enjoy a seamless experience for your wellness journey.

**Highlights:** Find fitness classes and trainers, Book instantly, Purchase and pay with a click, Read and write reviews, Save favorite services, Search with customizable options

**Features:** macOS Compatibility

**In-app purchases:** none


### TREMBLE Studios

[App page](https://appshunter.io/ios/app/tremble-studios/id1524078282)

Book reformer Pilates classes with your favorite instructors and reserve your machine spots. Manage your account, billing, and view scheduled classes all in one place. Discover South Florida's premier reformer Pilates brand.

**Highlights:** Find instructors and locations, Book reformer Pilates classes, Reserve machine spots, View scheduled classes, Manage account and billing

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

**In-app purchases:** none


## Frequently asked questions

### Is fitli free?

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

### Is TREMBLE Studios free?

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

### Which has better reviews, fitli or TREMBLE Studios?

TREMBLE Studios is rated higher. fitli averages 3.2 out of 5 from 24 ratings, while TREMBLE Studios averages 5.0 from 2.1K ratings.

### Do fitli or TREMBLE Studios have ads?

fitli shows ads; TREMBLE Studios does not.

### Which is updated more often, fitli or TREMBLE Studios?

fitli ships an update every 6 weeks, and TREMBLE Studios monthly. Most recently, fitli was updated on July 4, 2026 and TREMBLE Studios on September 22, 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.*