# Stretch U | vs PROTEUS Athlete

The clearest difference is rating: PROTEUS Athlete at 5.0 against Stretch U |'s 4.3. PROTEUS Athlete also leads on monetization model (ad-supported vs free with in-app purchases). Stretch U |'s advantage is ratings volume (13 vs 2). On price, update cadence, ads 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.

PROTEUS Athlete holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Stretch U | has 13 ratings behind it against 2, so its average is the more settled of the two.

Stretch U | ships an update every 3 weeks, PROTEUS Athlete monthly. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Stretch U | | PROTEUS Athlete |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (13 ratings)](https://appshunter.io/ios/app/stretch-u/id1038231071/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/proteus-athlete/id1262109705/reviews)** |
| Number of ratings | **13** | 2 |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 191 MB | 191 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stretch Management LLC](https://appshunter.io/developer/1538895694) | [VSP-SD Capital Partners I, LLC](https://appshunter.io/developer/1517518528) |

## What reviewers say

### Stretch U |

[App page](https://appshunter.io/ios/app/stretch-u/id1038231071)

Plan and schedule your stretching sessions directly from your device. View availability, sign up for classes, and make purchases. Optimize your time and enjoy the convenience of managing your fitness activities on the go.

**Highlights:** Schedule stretching sessions, View session availability, Sign up for sessions, Make purchases, View studio location

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

**In-app purchases:** none


### PROTEUS Athlete

[App page](https://appshunter.io/ios/app/proteus-athlete/id1262109705)

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location details. Maximize convenience and optimize your time by managing your fitness activities on the go.

**Highlights:** View class schedules, Sign up for classes, View studio location, Schedule classes, Plan fitness activities

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

**In-app purchases:** none


## Frequently asked questions

### Is Stretch U | free?

Stretch U | is free to download, with no in-app purchases.

### Is PROTEUS Athlete free?

PROTEUS Athlete is free to download, with no in-app purchases.

### Which has better reviews, Stretch U | or PROTEUS Athlete?

PROTEUS Athlete is rated higher. Stretch U | averages 4.3 out of 5 from 13 ratings, while PROTEUS Athlete averages 5.0 from 2 ratings.

### Do Stretch U | or PROTEUS Athlete have ads?

Neither Stretch U | nor PROTEUS Athlete shows ads.

### Which is updated more often, Stretch U | or PROTEUS Athlete?

Stretch U | ships an update every 3 weeks, and PROTEUS Athlete monthly. Most recently, Stretch U | was updated on October 5, 2026 and PROTEUS Athlete 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.*