# Duffy vs BodyState

The clearest difference is monetization model: Duffy at free with in-app purchases against BodyState's subscription. Duffy also leads on ads (none vs shown). BodyState's advantage is update cadence (every 6 weeks vs every 5 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Duffy sells 4 one-off in-app purchases and BodyState sells 11 in-app purchases, starting at $2.99 per 7 days. 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 Duffy against 4.6 for BodyState. Both are backed by a comparable volume of ratings — 784 and 1.7K respectively. Written reviews are what separate them: 84% of Duffy's written reviews are positive against 77% of BodyState's.

Duffy ships an update every 5 months, BodyState every 6 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Duffy | BodyState |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (784 ratings)](https://appshunter.io/ios/app/duffy-steps-complication/id1207581673/reviews)** | [4.6 (1.7K ratings)](https://appshunter.io/ios/app/bodystate-vitals-tracker/id6479940325/reviews) |
| Number of ratings | 784 | **1.7K** |
| Positive reviews | **83.8% of reviews** | 77.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 8 MB | 170 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, Apple Watch | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Think Tank Productions](https://appshunter.io/developer/438070192) | [Fitness & Sports apps SRL](https://appshunter.io/developer/1848120406) |

## What reviewers say

### Duffy

[App page](https://appshunter.io/ios/app/duffy-steps-complication/id1207581673)

This app displays your daily step count directly on your Apple Watch face as a complication. It offers a full watch app for detailed stats and goal notifications, plus a companion iPhone app for deeper data analysis and trends. Access your fitness data at a glance without opening the Activity app.

**Highlights:** Watch face complication for step count, Full watch app for steps, flights, distance, Daily step goal notifications, Companion iPhone app for trends, HealthKit data integration

**Features:** Apple Watch app

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip $1 | $0.99 | one-time |
| Tip $2 | $1.99 | one-time |
| Tip $3 | $2.99 | one-time |
| Tip $5 | $4.99 | one-time |


### BodyState

[App page](https://appshunter.io/ios/app/bodystate-vitals-tracker/id6479940325)

This app provides a daily energy score based on your fitness metrics, helping you manage stress, plan workouts, and understand your body's condition. It tracks sleep, recovery, stress levels, and training load, offering personalized insights to optimize your well-being.

**Highlights:** Personalized Energy Score, Sleep & Recovery Tracking, Stress Insights via HRV, Acute Training Load (ATL), Personalized Baseline Learning, All-in-One Dashboard, Apple Health Sync

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium | $2.99 | per 7 days |
| Weekly premium | $2.99 | per 7 days |
| Weekly premium | $4.99 | per 7 days |
| Weekly premium | $4.99 | per 7 days |
| Yearly premium | $39.99 | per year |
| Yearly premium | $39.99 | per year |
| Yearly premium | $49.99 | per year |
| Yearly premium | $49.99 | per year |
| Supporter | $4.99 | one-time |
| Patron | $9.99 | one-time |
| Champion | $14.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Accurate body battery tracking
- 💡 Helpful for managing recovery and fatigue
- 🔒 No ads or in-app purchases
- 👍 Clean and intuitive interface

**What reviewers complain about**

- 🐛 Syncing issues with Apple Health
- 🔍 Limited data history
- 🔍 Needs more detailed explanations of metrics

**Reported bugs**

- Inability to access app due to Health permissions
- App not working after updates

**Requested features**

- Longer data history
- Automatic Apple Watch complication updates
- Customization options
- Ability to manually log feelings/recovery


## Frequently asked questions

### Is Duffy free?

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

### Is BodyState free?

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

### Which has better reviews, Duffy or BodyState?

Duffy is rated higher. Duffy averages 4.7 out of 5 from 784 ratings, while BodyState averages 4.6 from 1.7K ratings.

### Do Duffy or BodyState have ads?

BodyState shows ads; Duffy does not.

### Which is updated more often, Duffy or BodyState?

Duffy ships an update every 5 months, and BodyState every 6 weeks. Most recently, Duffy was updated on October 29, 2026 and BodyState on October 30, 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.*