# Opus Pilates vs a.lign

The clearest difference is update cadence: a.lign at every 3 weeks against Opus Pilates's every 10 months. 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.

Opus Pilates ships an update every 10 months, a.lign every 3 weeks. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Opus Pilates | a.lign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/align/id6767349667/reviews)** |
| Number of ratings | — | **7** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 123 MB | 38 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [a.lign body Inc.](https://appshunter.io/developer/1896466904) |

## What reviewers say

### Opus Pilates

[App page](https://appshunter.io/ios/app/opus-pilates/id6754720564)

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

**In-app purchases:** none


### a.lign

[App page](https://appshunter.io/ios/app/align/id6767349667)

Easily find and book fitness classes that fit your schedule. Purchase class packs or memberships directly through the app. Manage your reservations and stay committed to your fitness journey.

**Highlights:** Purchase class packs and memberships, Browse and filter class schedule, Book class reservations, Manage upcoming classes, Stay organized with fitness goals

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Opus Pilates free?

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

### Is a.lign free?

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

### Do Opus Pilates or a.lign have ads?

Neither Opus Pilates nor a.lign shows ads.

### Which is updated more often, Opus Pilates or a.lign?

Opus Pilates ships an update every 10 months, and a.lign every 3 weeks. Most recently, Opus Pilates was updated on September 30, 2026 and a.lign on October 2, 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.*