# PDF Tools vs Storm Cleaner

The clearest difference is rating: PDF Tools at 5.0 against Storm Cleaner's 4.8. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. PDF Tools sells 3 in-app purchases, starting at $2.99 per 7 days and Storm Cleaner sells 4 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Tools holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 9 and 13 respectively.

PDF Tools ships an update weekly, Storm Cleaner every 9 days. The most recent releases landed on July 5, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | PDF Tools | Storm Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/pdf-tools-read-and-edit/id6745811413/reviews)** | [4.8 (13 ratings)](https://appshunter.io/ios/app/storm-cleaner-clean-up-storage/id6748904407/reviews) |
| Number of ratings | 9 | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 96 MB | 32 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Shilong Lu](https://appshunter.io/developer/1185413008) | [Shenzhen Yayi E-commerce Co., Ltd.](https://appshunter.io/developer/1540230011) |

## What reviewers say

### PDF Tools

[App page](https://appshunter.io/ios/app/pdf-tools-read-and-edit/id6745811413)

Edit, convert, and manage PDF files with features like OCR scanning, electronic signatures, and file merging. This tool allows for local processing without requiring a login, ensuring privacy and security for your documents.

**Highlights:** PDF to Word/Excel/TXT conversion, OCR scanning, Electronic signature, Merge and split PDFs, File encryption, Highlight and doodle on PDFs

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $29.99 | per year |
| Permanent Member | $3.99 | one-time |


### Storm Cleaner

[App page](https://appshunter.io/ios/app/storm-cleaner-clean-up-storage/id6748904407)

This app uses AI to find and remove duplicate photos, videos, and screenshots. It also helps organize contacts and calendars, freeing up valuable storage space on your device.

**Highlights:** Smart duplicate photo cleanup, Duplicate video detection, Screenshot organization, Contact merging, Calendar event deletion, AI-powered scanning, On-device processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Only $0.99 for the first week. | $4.99 | per 7 days |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Annual subscription | $14.99 | per year |


## Frequently asked questions

### Is PDF Tools free?

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

### Is Storm Cleaner free?

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

### Which has better reviews, PDF Tools or Storm Cleaner?

PDF Tools is rated higher. PDF Tools averages 5.0 out of 5 from 9 ratings, while Storm Cleaner averages 4.8 from 13 ratings.

### Do PDF Tools or Storm Cleaner have ads?

Both PDF Tools and Storm Cleaner show ads.

### Which is updated more often, PDF Tools or Storm Cleaner?

PDF Tools ships an update weekly, and Storm Cleaner every 9 days. Most recently, PDF Tools was updated on July 5, 2026 and Storm Cleaner 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.*