# Morpheus Training vs Carbon

The clearest difference is in-app purchases: Morpheus Training at none against Carbon's 9. Morpheus Training also leads on device support (3 vs 1). Carbon's advantage is review sentiment (79% vs 58%) and chart position (#90 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Carbon sells 9 in-app purchases, starting at $11.99 per month. Morpheus Training asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Morpheus Training against 4.8 for Carbon. That said, the two scores are not equally well evidenced: Carbon has 8.1K ratings behind it against 899, so its average is the more settled of the two. Written reviews are what separate them: 58% of Morpheus Training's written reviews are positive against 79% of Carbon's.

Morpheus Training ships an update every 11 days, Carbon weekly. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Morpheus Training | Carbon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (899 ratings)](https://appshunter.io/ios/app/morpheus-training/id1259741445/reviews)** | [4.8 (8.1K ratings)](https://appshunter.io/ios/app/carbon-macro-coach-and-tracker/id1437820611/reviews) |
| Number of ratings | 899 | **8.1K** |
| Positive reviews | 58.4% of reviews | **79.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#90** |
| Size | 71 MB | 106 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Morpheus Labs INC](https://appshunter.io/developer/1259741444) | [Reform LLC](https://appshunter.io/developer/1437820610) |

## What reviewers say

### Morpheus Training

[App page](https://appshunter.io/ios/app/morpheus-training/id1259741445)

This app optimizes cardio training and recovery by providing personalized heart rate zones and weekly targets. It uses HRV data to guide intensity and volume, helping users improve fitness and conditioning with zone-based interval training.

**Highlights:** Personalized heart rate zones, CardioSmart features, Zone-based interval training (ZBIT), Weekly heart rate zone targets, Daily recovery score, Integrates with wearables and Apple Health Kit

**In-app purchases:** none


### Carbon

[App page](https://appshunter.io/ios/app/carbon-macro-coach-and-tracker/id1437820611)

**Currently charting:** #90 Top Grossing · Health & Fitness (US App Store)

This app provides personalized nutrition plans for weight loss, muscle gain, or maintenance. It adapts your plan as you progress and offers a comprehensive food tracker with a large database and barcode scanner. It supports various diet preferences and allows for custom meal planning.

**Highlights:** Personalized nutrition plans, Adaptive plan adjustments, Comprehensive food logging, Barcode scanner, Diet preference customization, Diet planner for flexible eating

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $11.99 | per month |
| Monthly Subscription | $11.99 | per month |
| Monthly Subscription | $11.99 | per month |
| Six Month Subscription | $59.99 | per 6 months |
| Six Month Subscription | $59.99 | per 6 months |
| Six Month Subscription | $59.99 | per 6 months |
| Yearly Subscription | $99.99 | per year |
| Yearly Subscription | $99.99 | per year |
| Yearly Subscription | $99.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Flexible and customizable
- 🔍 Accurate food database
- 💡 Helpful coaching and adjustments
- 🤝 Responsive customer support

**What reviewers complain about**

- 🐛 Limited food database for some regions
- 🤔 Strict adherence required for adjustments
- 🤷‍♀️ Lack of exercise tracking integration

**Reported bugs**

- Occasional app crashes or freezes
- Issues with resetting account data

**Requested features**

- Add water intake tracking
- Improve barcode scanning functionality
- Allow more flexibility in macro adjustments
- Integrate with fitness trackers


## Frequently asked questions

### Is Morpheus Training free?

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

### Is Carbon free?

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

### Which has better reviews, Morpheus Training or Carbon?

Morpheus Training is rated higher. Morpheus Training averages 4.9 out of 5 from 899 ratings, while Carbon averages 4.8 from 8.1K ratings.

### Do Morpheus Training or Carbon have ads?

Neither Morpheus Training nor Carbon shows ads.

### Which is updated more often, Morpheus Training or Carbon?

Morpheus Training ships an update every 11 days, and Carbon weekly. Most recently, Morpheus Training was updated on October 26, 2026 and Carbon on October 28, 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.*