# Styku vs Spren Body Composition Scanner

The clearest difference is update cadence: Spren Body Composition Scanner at every 9 days against Styku's monthly. Spren Body Composition Scanner also leads on ratings volume (1.5K vs 250). Styku's advantage is review sentiment (56% vs 46%) and device support (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Styku sells 3 in-app purchases, starting at $49.99 per 3 months and Spren Body Composition Scanner sells 14 in-app purchases, starting at $10.49 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Styku against 4.7 for Spren Body Composition Scanner. That said, the two scores are not equally well evidenced: Spren Body Composition Scanner has 1.5K ratings behind it against 250, so its average is the more settled of the two. Written reviews are what separate them: 56% of Styku's written reviews are positive against 46% of Spren Body Composition Scanner's.

Styku ships an update monthly, Spren Body Composition Scanner every 9 days. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Styku | Spren Body Composition Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (250 ratings)](https://appshunter.io/ios/app/styku/id1626065310/reviews) | [4.7 (1.5K ratings)](https://appshunter.io/ios/app/spren-body-composition-scanner/id1664503999/reviews) |
| Number of ratings | 250 | **1.5K** |
| Positive reviews | **55.6% of reviews** | 46.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 69 MB | 207 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Styku LLC](https://appshunter.io/developer/1626065312) | [Elite HRV Inc](https://appshunter.io/developer/868829973) |

## What reviewers say

### Styku

[App page](https://appshunter.io/ios/app/styku/id1626065310)

Visualize your body's transformation in 3D with advanced body scanning technology. Track key metrics beyond the scale, gain personalized wellness insights, and compare progress with dynamic side-by-side visuals. Understand your body's changes like never before.

**Highlights:** 3D body visualization, Wellness and shape insights, Track key body metrics, Compare scan progress, Non-invasive 3D scanning

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 3 Months Plan | $49.99 | per 3 months |
| Premium 6 Months Plan | $79.99 | per 6 months |
| Premium Annual Plan | $99.99 | per year |


### Spren Body Composition Scanner

[App page](https://appshunter.io/ios/app/spren-body-composition-scanner/id1664503999)

This app uses your smartphone to measure body fat percentage, BMI, and body composition. It provides detailed health reports, tracks weight loss, and offers personalized nutrition plans, acting as a smart scale alternative with research-grade analysis.

**Highlights:** Body fat percentage measurement, BMI calculator, Body composition analysis, Weight tracking, Personalized nutrition planning, Multi-page PDF reports

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scan Essentials | $10.49 | per month |
| Monthly | $14.99 | per month |
| Monthly | $19.99 | per month |
| 24/7 AI coaching support | $20.99 | per month |
| Monthly | $24.99 | per month |
| Scan Essentials | $38.99 | per year |
| Quarterly | $59.99 | per 3 months |
| Annual | $69.99 | per year |
| Semiannual | $89.99 | per 6 months |
| Annual | $119.99 | per year |
| 24/7 AI coaching support | $129.00 | per year |
| Body Composition Analysis | $8.99 | one-time |
| Body Composition Analysis | $17.99 | one-time |
| Body Composition Analysis | $35.99 | one-time |

**What reviewers like**

- 👍 Easy to operate
- 🚀 Motivating
- 👍 Incredible app
- 👍 Accurate
- 👍 Talks you through the scan

**What reviewers complain about**

- 🐛 No login possible
- 🐛 Doesn't work
- 🐛 Measurements are nowhere close to DEXA scans
- 🐛 Can't delete account
- 🐛 Useless

**Reported bugs**

- No login possible
- Doesn't work
- Measurements are nowhere close to DEXA scans
- Can't delete account
- Useless

**Requested features**

- Integration with Apple Health for weight tracking
- Demo or trial before subscription
- Monthly subscription option


## Frequently asked questions

### Is Styku free?

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

### Is Spren Body Composition Scanner free?

Spren Body Composition Scanner is free to download, with in-app purchases available.

### Which has better reviews, Styku or Spren Body Composition Scanner?

Styku and Spren Body Composition Scanner are both rated 4.7 out of 5 on the App Store, from 250 and 1.5K ratings respectively.

### Do Styku or Spren Body Composition Scanner have ads?

Neither Styku nor Spren Body Composition Scanner shows ads.

### Which is updated more often, Styku or Spren Body Composition Scanner?

Styku ships an update monthly, and Spren Body Composition Scanner every 9 days. Most recently, Styku was updated on September 24, 2026 and Spren Body Composition Scanner on September 19, 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.*