# Flyer to VStep vs Prufio

The clearest difference is in-app purchases: Flyer to VStep at none against Prufio's 4. Flyer to VStep also leads on iOS requirement (13.0 vs 15.5). Prufio's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Prufio sells 4 in-app purchases, starting at $14.99 per 3 months. Flyer to VStep asks for nothing beyond the download.

Flyer to VStep ships an update every 2 weeks, Prufio every 6 days. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Flyer to VStep | Prufio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 45 MB | 40 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dai Phan](https://appshunter.io/developer/1462563314) | [Nguyen Nhu Vuong](https://appshunter.io/developer/1486864462) |

## What reviewers say

### Flyer to VStep

[App page](https://appshunter.io/ios/app/flyer-to-vstep/id6760926429)

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

**In-app purchases:** none


### Prufio

[App page](https://appshunter.io/ios/app/prufio-ielts-toeic-test-prep/id6800000090)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prufio 3months | $14.99 | per 3 months |
| Prufio 6months | $19.99 | per 6 months |
| Prufio Subcrition 1Year | $29.99 | per year |
| Prufio Forever | $39.99 | one-time |


## Frequently asked questions

### Is Flyer to VStep free?

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

### Is Prufio free?

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

### Do Flyer to VStep or Prufio have ads?

Neither Flyer to VStep nor Prufio shows ads.

### Which is updated more often, Flyer to VStep or Prufio?

Flyer to VStep ships an update every 2 weeks, and Prufio every 6 days. Most recently, Flyer to VStep was updated on September 21, 2026 and Prufio on September 18, 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.*