# S2S Functional Performance vs Project LeanNation

The clearest difference is ads: Project LeanNation at none against S2S Functional Performance's shown. Project LeanNation also leads on ratings volume (527 vs 4) and update cadence (fortnightly vs every 2 months). S2S Functional Performance's advantage is monetization model (ad-supported vs free with in-app purchases). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for S2S Functional Performance against 4.9 for Project LeanNation. That said, the two scores are not equally well evidenced: Project LeanNation has 527 ratings behind it against 4, so its average is the more settled of the two.

S2S Functional Performance ships an update every 2 months, Project LeanNation fortnightly. The most recent releases landed on October 17, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | S2S Functional Performance | Project LeanNation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/s2s-functional-performance/id1031344590/reviews)** | [4.9 (527 ratings)](https://appshunter.io/ios/app/project-leannation/id6450420666/reviews) |
| Number of ratings | 4 | **527** |
| Positive reviews | — | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 119 MB | 96 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Meredith S. Tittle, P.T., P.C.](https://appshunter.io/developer/1462694216) | [Project LeanNation Franchising Inc.](https://appshunter.io/developer/1598920275) |

## 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


### Project LeanNation

[App page](https://appshunter.io/ios/app/project-leannation/id6450420666)

Easily order healthy, prepared meals, shakes, and supplements for local pickup. Access personalized nutrition coaching, track your progress, and earn rewards with every purchase. Achieve your health and fitness goals with convenient, expert-guided support.

**Highlights:** Order healthy prepared meals for pickup, Customize meal orders, Personalized 1-on-1 nutrition coaching, Progress tracking and accountability, Shop protein shakes and supplements, Earn loyalty rewards, Locate nearby stores

**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 Project LeanNation free?

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

### Which has better reviews, S2S Functional Performance or Project LeanNation?

S2S Functional Performance is rated higher. S2S Functional Performance averages 5.0 out of 5 from 4 ratings, while Project LeanNation averages 4.9 from 527 ratings.

### Do S2S Functional Performance or Project LeanNation have ads?

S2S Functional Performance shows ads; Project LeanNation does not.

### Which is updated more often, S2S Functional Performance or Project LeanNation?

S2S Functional Performance ships an update every 2 months, and Project LeanNation fortnightly. Most recently, S2S Functional Performance was updated on October 17, 2026 and Project LeanNation on October 27, 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.*