# Hundred EC vs Onna Studio

The clearest difference is update cadence: Hundred EC at weekly against Onna Studio's monthly. On price, ads, 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.

Hundred EC ships an update weekly, Onna Studio monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Hundred EC | Onna Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hundred-ec/id6754961416/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 25 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Casteline](https://appshunter.io/developer/1771060435) | [Delaylah Quirola](https://appshunter.io/developer/6804232328) |

## What reviewers say

### Hundred EC

[App page](https://appshunter.io/ios/app/hundred-ec/id6754961416)

Book and manage your cycling, pilates, and functional training classes. Track your workouts and stay updated on new classes and special promotions.

**Highlights:** Explore class schedules, Book classes instantly, Manage credits and memberships, Review workout history, Receive notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Onna Studio

[App page](https://appshunter.io/ios/app/onna-studio/id6804232326)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hundred EC free?

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

### Is Onna Studio free?

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

### Do Hundred EC or Onna Studio have ads?

Neither Hundred EC nor Onna Studio shows ads.

### Which is updated more often, Hundred EC or Onna Studio?

Hundred EC ships an update weekly, and Onna Studio monthly. Most recently, Hundred EC was updated on October 25, 2026 and Onna Studio on October 25, 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.*