# Superpdf vs PrimeClean AI

The clearest difference is in-app purchases: Superpdf at none against PrimeClean AI's 3. Superpdf also leads on update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PrimeClean AI sells 3 in-app purchases, starting at $9.99 per 7 days. Superpdf asks for nothing beyond the download.

Superpdf ships an update every 3 days, PrimeClean AI every 10 days. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Superpdf | PrimeClean AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 18 MB | 26 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shaanxi Saiwangdao Network Technology Co., Ltd](https://appshunter.io/developer/1855798461) | [AppEngine FZE LLC](https://appshunter.io/developer/1585976954) |

## What reviewers say

### Superpdf

[App page](https://appshunter.io/ios/app/superpdfsmartpdf/id6758294031)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrimeClean AI

[App page](https://appshunter.io/ios/app/primeclean-ai/id6759971096)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Full power of PrimeClean AI | $9.99 | per 7 days |
| Monthly Full power of PrimeClean AI | $18.99 | per month |
| Yearly Full power of PrimeClean AI | $39.99 | per year |


## Frequently asked questions

### Is Superpdf free?

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

### Is PrimeClean AI free?

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

### Do Superpdf or PrimeClean AI have ads?

Both Superpdf and PrimeClean AI show ads.

### Which is updated more often, Superpdf or PrimeClean AI?

Superpdf ships an update every 3 days, and PrimeClean AI every 10 days. Most recently, Superpdf was updated on September 9, 2026 and PrimeClean AI on September 19, 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.*