# Smart Cleaner vs PDF Reader

The clearest difference is ads: Smart Cleaner at none against PDF Reader's shown. PDF Reader's advantage is update cadence (every 10 days vs every 2 months) and review sentiment (42% vs 26%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Smart Cleaner sells 3 in-app purchases, starting at $9.99 per 7 days and PDF Reader sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for Smart Cleaner against 4.4 for PDF Reader. Both are backed by a comparable volume of ratings — 428 and 316 respectively. Written reviews are what separate them: 26% of Smart Cleaner's written reviews are positive against 42% of PDF Reader's.

Smart Cleaner ships an update every 2 months, PDF Reader every 10 days. Both last shipped on October 15, 2026.

## The numbers

| Metric | Smart Cleaner | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (428 ratings)](https://appshunter.io/ios/app/smart-cleaner-storage-cleanup/id6743303836/reviews) | [4.4 (316 ratings)](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880/reviews) |
| Number of ratings | **428** | 316 |
| Positive reviews | 26.3% of reviews | **42.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | **#85** |
| Size | 31 MB | 72 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DOC WORD LTD](https://appshunter.io/developer/1802127187) | [Fuzhou Jiange Technology Co., Ltd.](https://appshunter.io/developer/1821346905) |

## What reviewers say

### Smart Cleaner

[App page](https://appshunter.io/ios/app/smart-cleaner-storage-cleanup/id6743303836)

Reclaim your iPhone's storage space by removing duplicate photos, videos, and contacts. This app offers smart cleaning tools, including photo compression and a secret vault for privacy.

**Highlights:** Delete duplicate and similar photos, Merge duplicate contacts, Compress large videos, Swipe to delete photos, One-tap storage cleanup, Secret photo vault

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cleaner Weekly Premium | $9.99 | per 7 days |
| Cleaner Monthly Premium | $15.99 | per month |
| Cleaner Yearly Premium | $39.99 | per year |


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-ocr-scan-edit/id6754001880)

**Currently charting:** #85 Top Free · Productivity (US App Store)

This mobile app acts as a PDF office assistant, offering features for editing, scanning, and optical character recognition. It allows for easy document management, page manipulation, and conversion of images and paper documents into editable digital files.

**Highlights:** PDF Editing, Image to PDF conversion, Import PDF files, OCR Text Recognition, Add, delete, rearrange pages, Filters, highlights, annotations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader Ad-Free | $5.99 | per 7 days |
| PDF Reader Ad-Free | $29.99 | per year |


## Frequently asked questions

### Is Smart Cleaner free?

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

### Is PDF Reader free?

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

### Which has better reviews, Smart Cleaner or PDF Reader?

Smart Cleaner and PDF Reader are both rated 4.4 out of 5 on the App Store, from 428 and 316 ratings respectively.

### Do Smart Cleaner or PDF Reader have ads?

PDF Reader shows ads; Smart Cleaner does not.

### Which is updated more often, Smart Cleaner or PDF Reader?

Smart Cleaner ships an update every 2 months, and PDF Reader every 10 days. Most recently, Smart Cleaner was updated on October 15, 2026 and PDF Reader on October 15, 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.*