# CONTROL SIX vs SpringChange

The clearest difference is in-app purchases: CONTROL SIX at none against SpringChange's 2. CONTROL SIX also leads on ratings volume (3 vs 1) and iOS requirement (16.4 vs 26.0). SpringChange's advantage is update cadence (daily vs every 7 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. SpringChange sells 2 in-app purchases, starting at $4.99 per month. CONTROL SIX asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for CONTROL SIX against 5.0 for SpringChange. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

CONTROL SIX ships an update every 7 months, SpringChange daily. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | CONTROL SIX | SpringChange |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/control-six/id6758416597/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/springchange/id6794731314/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 121 MB | 12 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [Nicholas Gunther](https://appshunter.io/developer/6794731316) |

## What reviewers say

### CONTROL SIX

[App page](https://appshunter.io/ios/app/control-six/id6758416597)

This app streamlines your Pilates practice by allowing you to book classes, manage your membership, and stay updated on studio announcements. It offers a clean, intuitive interface to organize your schedule and access your Pilates routine with ease.

**Highlights:** Book and manage Pilates classes, Purchase memberships and class packages, View schedules and class details, Join waitlists and manage cancellations, Receive studio announcements and reminders

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

**In-app purchases:** none


### SpringChange

[App page](https://appshunter.io/ios/app/springchange/id6794731314)

This app helps Reformer Pilates instructors plan and run their classes efficiently. Create a library of moves, build class routines with detailed timings and cues, and use the app to guide you through each session. It also offers Apple Watch integration and the ability to share routines with colleagues.

**Highlights:** Build and save custom exercise library, Plan classes with timed blocks and cues, Full-screen countdown timer for class execution, Apple Watch integration for on-wrist guidance, Track teaching schedule and routine history, Share routines with other instructors, Attach Spotify playlists to routines

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is CONTROL SIX free?

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

### Is SpringChange free?

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

### Which has better reviews, CONTROL SIX or SpringChange?

CONTROL SIX and SpringChange are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do CONTROL SIX or SpringChange have ads?

Neither CONTROL SIX nor SpringChange shows ads.

### Which is updated more often, CONTROL SIX or SpringChange?

CONTROL SIX ships an update every 7 months, and SpringChange daily. Most recently, CONTROL SIX was updated on October 25, 2026 and SpringChange on October 18, 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.*