# UPRIGHT vs Rx Alert

The clearest difference is price: UPRIGHT at Free against Rx Alert's $0.99. UPRIGHT also leads on iOS requirement (15.1 vs 26.0). Rx Alert's advantage is update cadence (every 2 weeks vs every 5 weeks). On ads, in-app purchases and device support there is nothing between them.

UPRIGHT is free to download; Rx Alert costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UPRIGHT ships an update every 5 weeks, Rx Alert every 2 weeks. The most recent releases landed on October 16, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | UPRIGHT | Rx Alert |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (3.9K ratings)](https://appshunter.io/ios/app/upright/id1481438778/reviews)** | — |
| Number of ratings | **3.9K** | — |
| Positive reviews | 25.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 90 MB | 6 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Upright Technologies Ltd](https://appshunter.io/developer/1098548242) | [Ryan Hunter](https://appshunter.io/developer/1456867166) |

## 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


### Rx Alert

[App page](https://appshunter.io/ios/app/rx-alert/id1622253475)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UPRIGHT free?

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

### Is Rx Alert free?

Rx Alert costs $0.99, with no in-app purchases.

### Do UPRIGHT or Rx Alert have ads?

Neither UPRIGHT nor Rx Alert shows ads.

### Which is updated more often, UPRIGHT or Rx Alert?

UPRIGHT ships an update every 5 weeks, and Rx Alert every 2 weeks. Most recently, UPRIGHT was updated on October 16, 2026 and Rx Alert on June 24, 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.*