# UPRIGHT vs aiSpine

The clearest difference is review sentiment: aiSpine at 100% against UPRIGHT's 25%. UPRIGHT's advantage is in-app purchases (none vs 3) and ratings volume (3.9K vs 7). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. aiSpine sells 3 one-off in-app purchases. UPRIGHT asks for nothing beyond the download.

UPRIGHT holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: UPRIGHT has 3.9K ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 25% of UPRIGHT's written reviews are positive against 100% of aiSpine's, so the app with the better star average is not the one people write more warmly about.

UPRIGHT ships an update every 5 weeks, aiSpine every 3 weeks. The most recent releases landed on September 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | UPRIGHT | aiSpine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.9K ratings)](https://appshunter.io/ios/app/upright/id1481438778/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/aispine-posture-training/id6478812984/reviews) |
| Number of ratings | **3.9K** | 7 |
| Positive reviews | 25.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 90 MB | 218 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Upright Technologies Ltd](https://appshunter.io/developer/1098548242) | [AIH LLC](https://appshunter.io/developer/1439844907) |

## 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


### aiSpine

[App page](https://appshunter.io/ios/app/aispine-posture-training/id6478812984)

This app helps users track their posture, pain levels, and other health data. It serves as a personal health record to monitor well-being. Remember, the information is for record-keeping and not a substitute for professional medical advice.

**Highlights:** Posture recording, Pain feeling tracking, General health management, Health information logging, User health monitoring

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $2.99 | one-time |
| Annual Membership | $29.99 | one-time |
| Triennial Membership Bundle | $99.99 | one-time |


## Frequently asked questions

### Is UPRIGHT free?

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

### Is aiSpine free?

aiSpine is free to download, with in-app purchases available.

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

UPRIGHT is rated higher. UPRIGHT averages 4.6 out of 5 from 3.9K ratings, while aiSpine averages 4.4 from 7 ratings.

### Do UPRIGHT or aiSpine have ads?

Neither UPRIGHT nor aiSpine shows ads.

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

UPRIGHT ships an update every 5 weeks, and aiSpine every 3 weeks. Most recently, UPRIGHT was updated on September 26, 2026 and aiSpine on September 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.*