# Siffi vs Willuwalk

The clearest difference is in-app purchases: Siffi at none against Willuwalk's 1. Willuwalk's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Willuwalk sells 1 in-app purchase, starting at $6.99 per month. Siffi asks for nothing beyond the download.

Siffi ships an update every 2 months, Willuwalk every 3 weeks. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Siffi | Willuwalk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 89 MB | 58 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Minudoc OÜ](https://appshunter.io/developer/1465732930) | [Wanlig](https://appshunter.io/developer/1638575017) |

## What reviewers say

### Siffi

[App page](https://appshunter.io/ios/app/siffi/id1629846508)

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

**In-app purchases:** none


### Willuwalk

[App page](https://appshunter.io/ios/app/willuwalk/id1638575015)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Willuwalk Premium | $6.99 | per month |


## Frequently asked questions

### Is Siffi free?

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

### Is Willuwalk free?

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

### Do Siffi or Willuwalk have ads?

Neither Siffi nor Willuwalk shows ads.

### Which is updated more often, Siffi or Willuwalk?

Siffi ships an update every 2 months, and Willuwalk every 3 weeks. Most recently, Siffi was updated on September 17, 2026 and Willuwalk on September 19, 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.*