# Stix vs FormatBox

The clearest difference is in-app purchases: Stix at none against FormatBox's 4. Stix also leads on update cadence (every 2 days vs every 5 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. FormatBox sells 4 in-app purchases, starting at $1.99 per 7 days. Stix asks for nothing beyond the download.

Stix ships an update every 2 days, FormatBox every 5 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Stix | FormatBox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Size | 12 MB | 20 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michele Goretti](https://appshunter.io/developer/1475347424) | [ZHENGQIAO JIANG](https://appshunter.io/developer/1892168889) |

## What reviewers say

### Stix

[App page](https://appshunter.io/ios/app/stix/id1577109262)

**Features:** macOS Compatibility

**In-app purchases:** none


### FormatBox

[App page](https://appshunter.io/ios/app/formatbox-file-converter/id6766389681)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Stix free?

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

### Is FormatBox free?

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

### Do Stix or FormatBox have ads?

Neither Stix nor FormatBox shows ads.

### Which is updated more often, Stix or FormatBox?

Stix ships an update every 2 days, and FormatBox every 5 weeks. Most recently, Stix was updated on October 7, 2026 and FormatBox on October 8, 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.*