# FlexiTrace Posture Analysis vs Sou Coluna

The clearest difference is in-app purchases: Sou Coluna at none against FlexiTrace Posture Analysis's 13. Sou Coluna also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FlexiTrace Posture Analysis sells 11 in-app purchases, starting at $4.99 per month. Sou Coluna asks for nothing beyond the download.

FlexiTrace Posture Analysis ships an update every 9 days, Sou Coluna every 2 weeks. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | FlexiTrace Posture Analysis | Sou Coluna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (30 ratings)](https://appshunter.io/ios/app/flexitrace-posture-analysis/id6462847881/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 273 MB | 85 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [FlexiTrace Yazilim Ticaret LIMITED SIRKETI](https://appshunter.io/developer/1703528817) | [Clínica Sou Coluna](https://appshunter.io/developer/1778237246) |

## What reviewers say

### FlexiTrace Posture Analysis

[App page](https://appshunter.io/ios/app/flexitrace-posture-analysis/id6462847881)

Analyze your posture using your device's camera and receive a personalized exercise plan to correct imbalances. Track your progress with guided videos and detailed assessments for better well-being.

**Highlights:** AI-powered posture analysis, Personalized corrective exercise plans, Guided animated exercise videos, Full-body posture assessment, Specialized evaluations (head, neck, shoulders, knees), Progress tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $4.99 | per month |
| Monthly | $9.99 | per month |
| Weekly Subscription | $12.99 | per 7 days |
| Quarterly | $17.99 | per 3 months |
| Quarterly | $24.99 | per 3 months |
| Annually | $24.99 | per year |
| Annual | $44.99 | per year |
| Semiannual | $49.99 | per 6 months |
| Special offer | $59.99 | per year |
| Annual | $69.99 | per year |
| 5 Coin Pack | $59.99 | one-time |


### Sou Coluna

[App page](https://appshunter.io/ios/app/sou-coluna/id6737839965)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FlexiTrace Posture Analysis free?

FlexiTrace Posture Analysis is free to download, with in-app purchases available.

### Is Sou Coluna free?

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

### Do FlexiTrace Posture Analysis or Sou Coluna have ads?

Neither FlexiTrace Posture Analysis nor Sou Coluna shows ads.

### Which is updated more often, FlexiTrace Posture Analysis or Sou Coluna?

FlexiTrace Posture Analysis ships an update every 9 days, and Sou Coluna every 2 weeks. Most recently, FlexiTrace Posture Analysis was updated on September 21, 2026 and Sou Coluna 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.*