# Duffy vs RUNKING

The clearest difference is update cadence: RUNKING at every 4 days against Duffy's every 5 months. RUNKING also leads on iOS requirement (16.4 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Duffy sells 4 one-off in-app purchases and RUNKING sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Duffy ships an update every 5 months, RUNKING every 4 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Duffy | RUNKING |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (757 ratings)](https://appshunter.io/ios/app/duffy-steps-complication/id1207581673/reviews)** | — |
| Number of ratings | **757** | — |
| Positive reviews | 83.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 115 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Think Tank Productions](https://appshunter.io/developer/438070192) | [Catalyst Corp.](https://appshunter.io/developer/6792245509) |

## 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 |


### RUNKING

[App page](https://appshunter.io/ios/app/runking/id6796969437)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RUNKING Pro | $3.99 | per month |
| RUNKING Pro | $29.99 | per year |


## Frequently asked questions

### Is Duffy free?

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

### Is RUNKING free?

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

### Do Duffy or RUNKING have ads?

Neither Duffy nor RUNKING shows ads.

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

Duffy ships an update every 5 months, and RUNKING every 4 days. Most recently, Duffy was updated on October 16, 2026 and RUNKING on October 6, 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.*