# PDF Converter vs Radix64

The clearest difference is iOS requirement: PDF Converter at 11.0 against Radix64's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PDF Converter sells 3 in-app purchases, starting at $3.99 per 7 days and Radix64 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | PDF Converter | Radix64 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 5 MB | 1 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [伟 罗](https://appshunter.io/developer/1559479515) | [永 张](https://appshunter.io/developer/1806535769) |

## What reviewers say

### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-document/id1639702450)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe for one week | $3.99 | per 7 days |
| Subscribe for one month | $5.99 | per month |
| Subscribe for one year | $19.99 | per year |


### Radix64

[App page](https://appshunter.io/ios/app/radix64-base64-converter/id6787240268)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Radix64 Pro | $4.99 | one-time |


## Frequently asked questions

### Is PDF Converter free?

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

### Is Radix64 free?

Radix64 is free to download, with in-app purchases available.

### Do PDF Converter or Radix64 have ads?

Neither PDF Converter nor Radix64 shows ads.

### Which is updated more often, PDF Converter or Radix64?

PDF Converter ships an update every 3 months, and Radix64 every 3 months. Most recently, PDF Converter was updated on November 3, 2026 and Radix64 on November 5, 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.*