# Empress Ouroboros vs Cadence

The clearest difference is in-app purchases: Empress Ouroboros at none against Cadence's 2. Cadence's advantage is update cadence (weekly vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Cadence sells 2 in-app purchases, starting at $9.99 per month. Empress Ouroboros asks for nothing beyond the download.

Empress Ouroboros ships an update every 2 months, Cadence weekly. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Empress Ouroboros | Cadence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cadence-pilates-class-timer/id6797985495/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 113 MB | 6 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Spotbee, Inc.](https://appshunter.io/developer/1465231993) | [True AI Ventures](https://appshunter.io/developer/6797929549) |

## What reviewers say

### Empress Ouroboros

[App page](https://appshunter.io/ios/app/empress-ouroboros/id6753869423)

**Features:** Apple Wallet

**In-app purchases:** none


### Cadence

[App page](https://appshunter.io/ios/app/cadence-pilates-class-timer/id6797985495)

This app helps movement instructors lead classes hands-free by syncing class timing, sequences, and cues to their Apple Watch. Build custom routines with detailed notes and transitions, and deliver polished sessions without needing to check your phone.

**Highlights:** Hands-free class leading, Apple Watch sync, Custom routine builder, At-a-glance timing, Tactile haptic cues, Custom form prompts, Offline class execution

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cadence Pro | $9.99 | per month |
| Cadence Pro Yearly | $59.99 | per year |


## Frequently asked questions

### Is Empress Ouroboros free?

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

### Is Cadence free?

Cadence is free to download, with in-app purchases available.

### Do Empress Ouroboros or Cadence have ads?

Neither Empress Ouroboros nor Cadence shows ads.

### Which is updated more often, Empress Ouroboros or Cadence?

Empress Ouroboros ships an update every 2 months, and Cadence weekly. Most recently, Empress Ouroboros was updated on November 9, 2026 and Cadence on November 6, 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.*