# Atom PDF vs Fast Cleaner

The clearest difference is rating: Atom PDF at 4.8 against Fast Cleaner's 4.0. Atom PDF also leads on in-app purchases (none vs 3). Fast Cleaner's advantage is update cadence (every 2 weeks vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Fast Cleaner sells 3 in-app purchases, starting at $19.99 per 7 days. Atom PDF asks for nothing beyond the download.

Atom PDF holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 4 and 9 respectively.

Atom PDF ships an update every 2 months, Fast Cleaner every 2 weeks. The most recent releases landed on September 20, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | Atom PDF | Fast Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/atom-pdf-ocr-and-edit-document/id1663437816/reviews)** | [4.0 (9 ratings)](https://appshunter.io/ios/app/fast-cleaner-duplicate-pic/id6476916070/reviews) |
| Number of ratings | 4 | **9** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Freemium |
| Size | 71 MB | 21 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BHIPSTER WORLD NETWORK TECH LIMITED](https://appshunter.io/developer/1657409447) | [疏欢 左](https://appshunter.io/developer/1724055912) |

## What reviewers say

### Atom PDF

[App page](https://appshunter.io/ios/app/atom-pdf-ocr-and-edit-document/id1663437816)

This app streamlines document workflows with features like PDF creation from images, versatile editing tools, and AI-powered chat support. It offers curated templates for business and personal use, along with local PDF reading and document history management.

**Highlights:** Convert images to PDF, Merge, split, crop PDFs, Business and personal templates, AI chat assistant for PDF queries, Local PDF reading, Document history management

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

**In-app purchases:** none


### Fast Cleaner

[App page](https://appshunter.io/ios/app/fast-cleaner-duplicate-pic/id6476916070)

This utility app helps you declutter your mobile photo library by quickly identifying and removing duplicate images and screenshots. Its efficient scanning provides accurate results, making photo management simple and freeing up valuable storage space on your device.

**Highlights:** Find duplicate photos, Identify screenshots, Fast scanning speed, Accurate results, Simple operation, Free up storage

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Cleaner Premium | $19.99 | per 7 days |
| Smart Cleaner Premium | $29.99 | per month |
| Smart Cleaner Premium | $39.99 | per 3 months |


## Frequently asked questions

### Is Atom PDF free?

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

### Is Fast Cleaner free?

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

### Which has better reviews, Atom PDF or Fast Cleaner?

Atom PDF is rated higher. Atom PDF averages 4.8 out of 5 from 4 ratings, while Fast Cleaner averages 4.0 from 9 ratings.

### Do Atom PDF or Fast Cleaner have ads?

Neither Atom PDF nor Fast Cleaner shows ads.

### Which is updated more often, Atom PDF or Fast Cleaner?

Atom PDF ships an update every 2 months, and Fast Cleaner every 2 weeks. Most recently, Atom PDF was updated on September 20, 2026 and Fast Cleaner on June 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.*