# DRT vs Kalos

The clearest difference is rating: DRT at 4.8 against Kalos's 4.5. DRT also leads on review sentiment (77% vs 67%) and iOS requirement (11.3 vs 13.0). Kalos's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume, 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.

DRT holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 12 and 13 respectively. Written reviews point the same way: 77% of DRT's written reviews are positive against 67% of Kalos's.

DRT ships an update every 2 months, Kalos every 3 weeks. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | DRT | Kalos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/drt/id1453059256/reviews)** | [4.5 (13 ratings)](https://appshunter.io/ios/app/kalos/id6740308219/reviews) |
| Number of ratings | 12 | **13** |
| Positive reviews | **76.7% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 38 MB | 403 MB |
| Requires iOS | **11.3** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Dynamic Running Therapy Limited](https://appshunter.io/developer/1453059255) | [Kalos Health, Inc](https://appshunter.io/developer/1789463808) |

## What reviewers say

### DRT

[App page](https://appshunter.io/ios/app/drt/id1453059256)

This app combines mindfulness meditation with running or walking to promote mental well-being. It offers guided exercises and prompts to help users process thoughts and emotions, aiding in the treatment of depression and anxiety. It empowers users to take active steps towards feeling better through movement and self-reflection.

**Highlights:** Mindful sitting, walking, and running meditation, Programs for depression and anxiety treatment, Combines mindfulness, talk therapy, and movement, Guided questions for self-reflection, Final Synopsis for summarizing journey, Empowerment and confidence building

**Features:** macOS Compatibility

**In-app purchases:** none


### Kalos

[App page](https://appshunter.io/ios/app/kalos/id6740308219)

This service uses medical-grade data to help you test fitness routines on your body. It offers personalized exercise plans, nutrition tracking via photos, and integration with fitness wearables. Communicate directly with your trainer 24/7 for a comprehensive fitness experience.

**Highlights:** DEXA-based personal training, Curated exercise routines, Nutrition tracking (photo upload), Fitness wearable integration, 24/7 trainer messaging, Workout and strength history tracking, Apple Health sync

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DRT free?

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

### Is Kalos free?

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

### Which has better reviews, DRT or Kalos?

DRT is rated higher. DRT averages 4.8 out of 5 from 12 ratings, while Kalos averages 4.5 from 13 ratings.

### Do DRT or Kalos have ads?

Neither DRT nor Kalos shows ads.

### Which is updated more often, DRT or Kalos?

DRT ships an update every 2 months, and Kalos every 3 weeks. Most recently, DRT was updated on September 22, 2026 and Kalos on September 10, 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.*