# Snow Wonder Challenge vs FastFlow

The clearest difference is in-app purchases: Snow Wonder Challenge at none against FastFlow's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FastFlow sells 2 in-app purchases, starting at $4.99 per month. Snow Wonder Challenge asks for nothing beyond the download.

## The numbers

| Metric | Snow Wonder Challenge | FastFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 61 MB | 3 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Health Enhancement Systems](https://appshunter.io/developer/453599280) | [DaSecure Solutions LLC](https://appshunter.io/developer/1367132705) |

## What reviewers say

### Snow Wonder Challenge

[App page](https://appshunter.io/ios/app/snow-wonder-challenge/id6473463170)

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

**In-app purchases:** none


### FastFlow

[App page](https://appshunter.io/ios/app/fastflow-fasting-tracker/id6788203046)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is Snow Wonder Challenge free?

Snow Wonder Challenge is free to download, with no in-app purchases.

### Is FastFlow free?

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

### Do Snow Wonder Challenge or FastFlow have ads?

Neither Snow Wonder Challenge nor FastFlow shows ads.

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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.*