# UPRIGHT vs StretchLab

The clearest difference is monetization model: UPRIGHT at free against StretchLab's free with in-app purchases. StretchLab's advantage is review sentiment (48% vs 25%). On price, rating, ratings volume and update cadence there is nothing between them.

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

StretchLab holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 3.9K and 11K respectively. Written reviews point the same way: 25% of UPRIGHT's written reviews are positive against 48% of StretchLab's.

UPRIGHT ships an update every 5 weeks, StretchLab every 3 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | UPRIGHT | StretchLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (3.9K ratings)](https://appshunter.io/ios/app/upright/id1481438778/reviews) | **[4.8 (11K ratings)](https://appshunter.io/ios/app/stretchlab-live-long/id1484392665/reviews)** |
| Number of ratings | 3.9K | **11K** |
| Positive reviews | 25.4% of reviews | **47.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 155 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Upright Technologies Ltd](https://appshunter.io/developer/1098548242) | [Xponential Fitness LLC](https://appshunter.io/developer/1442244332) |

## What reviewers say

### UPRIGHT

[App page](https://appshunter.io/ios/app/upright/id1481438778)

This app connects to a wearable device to provide real-time feedback on your posture. It helps you build awareness, strengthen core muscles, and establish good posture habits for improved health and confidence.

**Highlights:** Real-time posture feedback, Personalized daily goals, Posture training tutorial, Progress tracking and stats, Core muscle strengthening, Posture awareness development

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Effective in improving posture
- 🚀 Helpful real-time feedback
- 🚀 Intuitive app and device setup

**What reviewers complain about**

- 🐛 Connectivity issues with the app
- 🔋 High battery drain
- 🐛 Syncing and data tracking issues
- 🐛 Buggy app and software updates

**Reported bugs**

- App freezing and crashing
- Forced firmware updates causing device issues
- Inconsistent device performance and vibration detection

**Requested features**

- Apple Watch app integration
- Customizable goals and settings
- Improved data visualization and tracking


### StretchLab

[App page](https://appshunter.io/ios/app/stretchlab-live-long/id1484392665)

Discover personalized stretching sessions, from 1-on-1 to group classes, designed to improve flexibility and reduce tension. Book sessions, track your progress, and find studios near you. Enhance your overall health and wellness with expert guidance.

**Highlights:** Browse schedule of 1-on-1 and group stretches, Filter stretches by date and Flexologist, Book sessions and add to calendar, In-app activity tracker, Find nearby studios on interactive map, Track monthly membership, Check in to sessions

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent stretching experience
- 🙌 Knowledgeable and friendly staff
- 💪 Improved flexibility and mobility
- 🤩 Positive overall experience

**What reviewers complain about**

- 🐛 Buggy and unreliable app
- 💰 Expensive services
- 📞 Poor customer support and follow-up
- ⏰ Difficulty booking appointments

**Reported bugs**

- App crashes and errors when booking appointments
- Incorrect credit/session information displayed
- Password reset issues and invalid links
- Inability to log in or create an account

**Requested features**

- Ability to book appointments beyond current month
- Option to view password during login
- Improved app stability and functionality
- Integration with calendar apps


## Frequently asked questions

### Is UPRIGHT free?

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

### Is StretchLab free?

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

### Which has better reviews, UPRIGHT or StretchLab?

StretchLab is rated higher. UPRIGHT averages 4.6 out of 5 from 3.9K ratings, while StretchLab averages 4.8 from 11K ratings.

### Do UPRIGHT or StretchLab have ads?

Neither UPRIGHT nor StretchLab shows ads.

### Which is updated more often, UPRIGHT or StretchLab?

UPRIGHT ships an update every 5 weeks, and StretchLab every 3 weeks. Most recently, UPRIGHT was updated on November 7, 2026 and StretchLab on November 8, 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.*