# yoctoApp vs Yoga Class Builder

The clearest difference is in-app purchases: yoctoApp at none against Yoga Class Builder's 2. yoctoApp also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). Yoga Class Builder's advantage is update cadence (every 3 days vs monthly). On price and ads there is nothing between them.

Both are free to download. Yoga Class Builder sells 2 in-app purchases, starting at $3.99 per month. yoctoApp asks for nothing beyond the download.

yoctoApp ships an update monthly, Yoga Class Builder every 3 days. The most recent releases landed on October 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | yoctoApp | Yoga Class Builder |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 49 MB | 31 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [YOCTO CO.,LTD.](https://appshunter.io/developer/381992814) | [Antoine Conan](https://appshunter.io/developer/1870239015) |

## What reviewers say

### yoctoApp

[App page](https://appshunter.io/ios/app/yoctoapp/id6443630100)

**Features:** macOS Compatibility

**In-app purchases:** none


### Yoga Class Builder

[App page](https://appshunter.io/ios/app/yoga-class-builder-flow/id6773081254)

Create and run custom yoga classes with a built-in player that guides you through each pose. Organize your routines with folders and presets, and share your classes with others. Integrates with Apple Health.

**Highlights:** Build custom yoga flows, Curated posture library, Customizable pose durations, Guided class player with timer, Shareable class links, Organize classes with folders, Apple Health integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Studio Pro Monthly | $3.99 | per month |
| Studio Pro Yearly | $22.99 | per year |


## Frequently asked questions

### Is yoctoApp free?

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

### Is Yoga Class Builder free?

Yoga Class Builder is free to download, with in-app purchases available.

### Do yoctoApp or Yoga Class Builder have ads?

Neither yoctoApp nor Yoga Class Builder shows ads.

### Which is updated more often, yoctoApp or Yoga Class Builder?

yoctoApp ships an update monthly, and Yoga Class Builder every 3 days. Most recently, yoctoApp was updated on October 17, 2026 and Yoga Class Builder on October 13, 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.*