# Signos vs Studio Lux

The clearest difference is review sentiment: Studio Lux at 100% against Signos's 56%. Studio Lux also leads on rating (5.0 vs 4.6) and iOS requirement (15.0 vs 18.6). Signos's advantage is ratings volume (1K vs 4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Studio Lux holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Signos has 1K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 56% of Signos's written reviews are positive against 100% of Studio Lux's.

Signos ships an update weekly, Studio Lux fortnightly. The most recent releases landed on October 29, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Signos | Studio Lux |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (1K ratings)](https://appshunter.io/ios/app/signos/id1534943157/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/studio-lux/id6787500079/reviews)** |
| Number of ratings | **1K** | 4 |
| Positive reviews | 55.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | Free |
| Size | 458 MB | 8 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Signos, Inc.](https://appshunter.io/developer/1534943159) | [Stefan De La Rosa](https://appshunter.io/developer/6787500081) |

## What reviewers say

### Signos

[App page](https://appshunter.io/ios/app/signos/id1534943157)

This AI-powered app, used with a biosensor, provides real-time insights into how food, movement, sleep, and stress impact your metabolism. It offers personalized recommendations for micro-changes to help you achieve your health and weight management goals.

**Highlights:** Continuous Glucose Monitoring integration, Real-time metabolic insights, AI-powered personalized recommendations, Meal, fitness, sleep, and weight tracking, Private community access, Registered dietitian support

**Features:** Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate CGM readings
- 💡 Helpful insights and activities
- 👍 User-friendly app
- 🚀 Seamless integration with Dexcom
- 👍 Improved health and weight loss

**What reviewers complain about**

- 🐛 Sensor issues and inaccurate readings
- 🔍 Limited food logging features
- 🔍 Lack of data export and integration
- 🔍 Inconsistent sensor performance
- 🔍 Subpar customer support

**Reported bugs**

- App crashes and connectivity issues
- Incorrect data and metric calculations
- Unreliable sensor performance and frequent replacements

**Requested features**

- Improved food logging and integration with other apps
- More customization options for alerts and data views
- Better data visualization and analysis tools
- Ability to exclude readings during activities or sensor changes
- Improved syncing with Apple Health


### Studio Lux

[App page](https://appshunter.io/ios/app/studio-lux/id6787500079)

Book your spot in weekly dance classes, request private lessons, and manage your membership. Keep your entire dance schedule organized in one convenient place. Ideal for both beginners and experienced dancers.

**Highlights:** Book weekly classes, Request private lessons, Manage membership, Purchase class credits, View 'My Schedule', Sign in with Apple or email

**In-app purchases:** none


## Frequently asked questions

### Is Signos free?

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

### Is Studio Lux free?

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

### Which has better reviews, Signos or Studio Lux?

Studio Lux is rated higher. Signos averages 4.6 out of 5 from 1K ratings, while Studio Lux averages 5.0 from 4 ratings.

### Do Signos or Studio Lux have ads?

Neither Signos nor Studio Lux shows ads.

### Which is updated more often, Signos or Studio Lux?

Signos ships an update weekly, and Studio Lux fortnightly. Most recently, Signos was updated on October 29, 2026 and Studio Lux on October 18, 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.*