# TREMBLE Studios vs SUN

TREMBLE Studios and SUN 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.

TREMBLE Studios ships an update monthly, SUN every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TREMBLE Studios | SUN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2.3K ratings)](https://appshunter.io/ios/app/tremble-studios/id1524078282/reviews)** | — |
| Number of ratings | **2.3K** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 38 MB | 192 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Coral Tremble Gables LLC](https://appshunter.io/developer/1524078284) | [SUNDAY PILATES SDN. BHD.](https://appshunter.io/developer/1749271720) |

## 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


### SUN

[App page](https://appshunter.io/ios/app/sunday-pilates/id6503443056)

**Features:** macOS Compatibility, Apple Wallet, 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 SUN free?

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

### Do TREMBLE Studios or SUN have ads?

Neither TREMBLE Studios nor SUN shows ads.

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

TREMBLE Studios ships an update monthly, and SUN every 2 months. Most recently, TREMBLE Studios was updated on November 3, 2026 and SUN on October 30, 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.*