# TREMBLE Studios vs Know Thyself

The clearest difference is price: TREMBLE Studios at Free against Know Thyself's $29.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

TREMBLE Studios is free to download; Know Thyself costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TREMBLE Studios ships an update monthly, Know Thyself every 3 weeks. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | TREMBLE Studios | Know Thyself |
| --- | --- | --- |
| Price | **Free** | $29.99 |
| Rating | **[5.0 (2.2K ratings)](https://appshunter.io/ios/app/tremble-studios/id1524078282/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 38 MB | 18 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Coral Tremble Gables LLC](https://appshunter.io/developer/1524078284) | [Lymph Angels LLC](https://appshunter.io/developer/1885642202) |

## What reviewers say

### 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


### Know Thyself

[App page](https://appshunter.io/ios/app/know-thyself-self-reflection/id6760673095)

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

**In-app purchases:** none


## Frequently asked questions

### Is TREMBLE Studios free?

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

### Is Know Thyself free?

Know Thyself costs $29.99, with no in-app purchases.

### Do TREMBLE Studios or Know Thyself have ads?

Neither TREMBLE Studios nor Know Thyself shows ads.

### Which is updated more often, TREMBLE Studios or Know Thyself?

TREMBLE Studios ships an update monthly, and Know Thyself every 3 weeks. Most recently, TREMBLE Studios was updated on October 1, 2026 and Know Thyself on September 17, 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.*