# Walkii vs FuelSet

The clearest difference is in-app purchases: Walkii at none against FuelSet's 3. Walkii also leads on iOS requirement (15.6 vs 17.0). FuelSet's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. FuelSet sells 3 in-app purchases, starting at $2.99 per month. Walkii asks for nothing beyond the download.

Walkii ships an update every 2 weeks, FuelSet every 5 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Walkii | FuelSet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/walkii/id1473693947/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 46.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 142 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Walkii](https://appshunter.io/developer/994081033) | [Hsun Chieh Chang](https://appshunter.io/developer/1895247672) |

## What reviewers say

### Walkii

[App page](https://appshunter.io/ios/app/walkii/id1473693947)

This app gamifies fitness by integrating with HealthKit step data to create engaging online challenges. Users can earn rewards and discounts by participating in these challenges, making it easier and more fun to build healthy exercise habits.

**Highlights:** HealthKit step data integration, Gamified fitness challenges, Earn discounts and rewards, Build healthy exercise habits, Online sports events

**In-app purchases:** none


### FuelSet

[App page](https://appshunter.io/ios/app/fuelset/id6794265602)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月訂閱 | $2.99 | per month |
| 年訂閱 | $19.99 | per year |
| 永久解鎖 | $49.99 | one-time |


## Frequently asked questions

### Is Walkii free?

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

### Is FuelSet free?

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

### Do Walkii or FuelSet have ads?

Neither Walkii nor FuelSet shows ads.

### Which is updated more often, Walkii or FuelSet?

Walkii ships an update every 2 weeks, and FuelSet every 5 days. Most recently, Walkii was updated on November 3, 2026 and FuelSet on November 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.*