# Fit vs Carbon

The clearest difference is price: Carbon at Free against Fit's $4.99. Carbon also leads on update cadence (weekly vs every 2 months) and ratings volume (8.2K vs 331). Fit's advantage is in-app purchases (none vs 9). On rating, review sentiment, ads and device support there is nothing between them.

Carbon is free to download; Fit costs $4.99 up front. Carbon sells 9 in-app purchases, starting at $11.99 per month. Fit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Fit against 4.8 for Carbon. That said, the two scores are not equally well evidenced: Carbon has 8.2K ratings behind it against 331, so its average is the more settled of the two. Written reviews split almost evenly too, at 79% and 79% positive.

Fit ships an update every 2 months, Carbon weekly. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Fit | Carbon |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.8 (331 ratings)](https://appshunter.io/ios/app/fit-stitch-progress-tracker/id711835190/reviews) | **[4.8 (8.2K ratings)](https://appshunter.io/ios/app/carbon-macro-coach-and-tracker/id1437820611/reviews)** |
| Number of ratings | 331 | **8.2K** |
| Positive reviews | 78.5% of reviews | **79.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#99** |
| Size | 26 MB | 105 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [REDSHIFT SYSTEMS INC.](https://appshunter.io/developer/1497800048) | [Reform LLC](https://appshunter.io/developer/1437820610) |

## What reviewers say

### Fit

[App page](https://appshunter.io/ios/app/fit-stitch-progress-tracker/id711835190)

Visually monitor your fitness journey by combining weight logging with progress photos. See subtle body changes, create before & after comparisons, and stay motivated with reminders. Your data stays private on your device.

**Highlights:** Track weight and visual body changes, Combine weight and progress photos, Offline-first data storage, Before & after comparison tool, Progress tracking reminders, Optional iCloud backup

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Best tracker
- 🔒 Password protection
- 👍 Easy to use
- 👍 Simple and cool
- 👍 Motivating

**What reviewers complain about**

- 🐛 Lacks features like resizing photos, labeling, and ghost images
- 🐛 Crashes and bugs
- 🔒 No password recovery
- 👎 Not user-friendly
- 👎 Locked picture app, not worth the price

**Reported bugs**

- Crashes when trying to upload photos
- Unable to set reminders or update weight
- Lost progress photos after device change

**Requested features**

- Add ability to add notes to progress pictures
- Improve before/after layout and allow more than 2 photos
- Add option to organize photos by date into albums
- Implement landscape mode
- Add ability to input measurements


### Carbon

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

**Currently charting:** #99 Top Grossing · Health & Fitness (US App Store)

This app acts as a personalized nutrition coach, helping you track your food intake and weight to adjust your calorie and macro targets. It provides weekly check-ins with clear explanations for any changes made to your plan, supporting various dietary goals like fat loss or muscle gain.

**Highlights:** Adaptive macro coaching, Personalized calorie and macro targets, Weekly weight trend analysis, Flexible calorie planner, Smart food logging with photo recognition, Support for various diet styles

**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 Fit free?

Fit costs $4.99, with no in-app purchases.

### Is Carbon free?

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

### Which has better reviews, Fit or Carbon?

Carbon is rated higher. Fit averages 4.8 out of 5 from 331 ratings, while Carbon averages 4.8 from 8.2K ratings.

### Do Fit or Carbon have ads?

Neither Fit nor Carbon shows ads.

### Which is updated more often, Fit or Carbon?

Fit ships an update every 2 months, and Carbon weekly. Most recently, Fit was updated on November 6, 2026 and Carbon on November 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.*