# Tributum vs PDF Converter

The clearest difference is in-app purchases: Tributum at none against PDF Converter's 4. PDF Converter's advantage is update cadence (monthly vs every 9 months) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. PDF Converter sells 4 in-app purchases, starting at $2.99 per 7 days. Tributum asks for nothing beyond the download.

Tributum ships an update every 9 months, PDF Converter monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Tributum | PDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Size | 14 MB | 3 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tributum LTD](https://appshunter.io/developer/1579508795) | [珮辰 赵](https://appshunter.io/developer/1764134960) |

## What reviewers say

### Tributum

[App page](https://appshunter.io/ios/app/tributum/id1579508793)

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-professional/id6740897306)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $14.99 | per year |
| Permanent Member | $24.99 | one-time |


## Frequently asked questions

### Is Tributum free?

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

### Is PDF Converter free?

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

### Do Tributum or PDF Converter have ads?

Neither Tributum nor PDF Converter shows ads.

### Which is updated more often, Tributum or PDF Converter?

Tributum ships an update every 9 months, and PDF Converter monthly. Most recently, Tributum was updated on October 27, 2026 and PDF Converter on October 30, 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.*