# DuckBell vs Super Sloper

The clearest difference is in-app purchases: DuckBell at none against Super Sloper's 3. DuckBell also leads on iOS requirement (14.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Super Sloper sells 3 in-app purchases, starting at $3.99 per month. DuckBell asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DuckBell | Super Sloper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/super-sloper/id6754037158/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 30 MB |
| Requires iOS | **14.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Cinnamon Roll Tech Ltd.](https://appshunter.io/developer/1775865646) | [Yan Zhang](https://appshunter.io/developer/1846369294) |

## What reviewers say

### DuckBell

[App page](https://appshunter.io/ios/app/duckbell/id6479960885)

**Features:** macOS Compatibility

**In-app purchases:** none


### Super Sloper

[App page](https://appshunter.io/ios/app/super-sloper/id6754037158)

This app is designed for tracking incline treadmill workouts, logging detailed metrics like grade, speed, and heart rate. It supports indoor hill training, hiking preparation, and low-impact cardio with Apple Watch integration for enhanced monitoring. Analyze your progress over time with detailed charts and summaries.

**Highlights:** Incline, speed, distance, duration, and elevation tracking, Structured workout segments and custom presets, Apple Watch control and heart-rate monitoring, Workout analysis with charts and metrics, Progress tracking with streaks and activity grid, Local data storage, no account required

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Quarterly Premium | $9.99 | per 3 months |
| Yearly Premium | $34.99 | per year |


## Frequently asked questions

### Is DuckBell free?

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

### Is Super Sloper free?

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

### Do DuckBell or Super Sloper have ads?

Neither DuckBell nor Super Sloper shows ads.

### Which is updated more often, DuckBell or Super Sloper?

DuckBell ships an update every 4 days, and Super Sloper every 4 days. Most recently, DuckBell was updated on October 15, 2026 and Super Sloper on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*