# Doolos vs PDF Converter

The clearest difference is in-app purchases: Doolos at none against PDF Converter's 3. Doolos also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). PDF Converter's advantage is update cadence (every 3 days vs every 2 weeks). On price and ads there is nothing between them.

Both are free to download. PDF Converter sells 3 in-app purchases, starting at $1.99 per 7 days. Doolos asks for nothing beyond the download.

Doolos ships an update every 2 weeks, PDF Converter every 3 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Doolos | PDF Converter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 60 MB | 16 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Kweku Armah](https://appshunter.io/developer/1729995969) | [Ihor Bernard](https://appshunter.io/developer/1858189265) |

## What reviewers say

### Doolos

[App page](https://appshunter.io/ios/app/doolos/id6504959841)

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

**In-app purchases:** none


### PDF Converter

[App page](https://appshunter.io/ios/app/pdf-converter-sign-and-edit/id6756050666)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| when_canceling_a_subscription1.99 | $1.99 | per 7 days |
| Weekly trial subscription | $5.99 | per 7 days |
| WeeklyWithoutTrial | $5.99 | per 7 days |


## Frequently asked questions

### Is Doolos free?

Doolos 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 Doolos or PDF Converter have ads?

Neither Doolos nor PDF Converter shows ads.

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

Doolos ships an update every 2 weeks, and PDF Converter every 3 days. Most recently, Doolos was updated on November 8, 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.*