# S2S Functional Performance vs Calibrate Pilates Studio

The clearest difference is ads: Calibrate Pilates Studio at none against S2S Functional Performance's shown. Calibrate Pilates Studio also leads on update cadence (fortnightly vs every 2 months). S2S Functional Performance's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

S2S Functional Performance ships an update every 2 months, Calibrate Pilates Studio fortnightly. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | S2S Functional Performance | Calibrate Pilates Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/s2s-functional-performance/id1031344590/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Ad-supported | — |
| Size | 119 MB | 97 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Meredith S. Tittle, P.T., P.C.](https://appshunter.io/developer/1462694216) | [ACV Enterprises LLC](https://appshunter.io/developer/6800666224) |

## What reviewers say

### S2S Functional Performance

[App page](https://appshunter.io/ios/app/s2s-functional-performance/id1031344590)

This app helps users manage their physical therapy appointments, specialized training sessions, and rewards program. Connect with the S2S community, access exclusive insider tips, and optimize your health and fitness journey.

**Highlights:** Client account management, Physical therapy scheduling, S2S Rewards program, Social media integration, Exclusive rewards and tips, Specialized training access

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Calibrate Pilates Studio

[App page](https://appshunter.io/ios/app/calibrate-pilates-studio/id6800666222)

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

**In-app purchases:** none


## Frequently asked questions

### Is S2S Functional Performance free?

S2S Functional Performance is free to download, with no in-app purchases.

### Is Calibrate Pilates Studio free?

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

### Do S2S Functional Performance or Calibrate Pilates Studio have ads?

S2S Functional Performance shows ads; Calibrate Pilates Studio does not.

### Which is updated more often, S2S Functional Performance or Calibrate Pilates Studio?

S2S Functional Performance ships an update every 2 months, and Calibrate Pilates Studio fortnightly. Most recently, S2S Functional Performance was updated on November 1, 2026 and Calibrate Pilates Studio on October 29, 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.*