# PDF Size Reducer vs Scanner App

The clearest difference is rating: PDF Size Reducer at 5.0 against Scanner App's 4.0. PDF Size Reducer also leads on ratings volume (3 vs 1). Scanner App's advantage is update cadence (every 3 days vs every 8 days). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PDF Size Reducer sells 3 in-app purchases, starting at $1.99 per 7 days and Scanner App sells 1 in-app purchase, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PDF Size Reducer holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

PDF Size Reducer ships an update every 8 days, Scanner App every 3 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | PDF Size Reducer | Scanner App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pdf-size-reducer-pdfbuddy/id6757869694/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/scanner-app-object-identifier/id6759710813/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 50 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [App Vista Studio](https://appshunter.io/developer/1566540600) | [子恒 刘](https://appshunter.io/developer/1872854788) |

## What reviewers say

### PDF Size Reducer

[App page](https://appshunter.io/ios/app/pdf-size-reducer-pdfbuddy/id6757869694)

Easily scan documents, convert images and text to PDF, and manage your files on the go. This app offers essential tools for creating, editing, and signing PDFs with a simple interface.

**Highlights:** Scan documents to PDF, Convert images and text to PDF, Convert PDFs to images and Word documents, Merge and split PDF files, Compress PDF size, Add watermarks and signatures, Secure and share PDFs

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $1.99 | per 7 days |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |


### Scanner App

[App page](https://appshunter.io/ios/app/scanner-app-object-identifier/id6759710813)

This utility app offers AR measuring for precise results and AI-powered object recognition with one-tap scanning. A premium subscription unlocks full features, unlimited usage, and image saving.

**Highlights:** AR measuring, AI object recognition, One-tap scanning, Image saving, Unlimited usage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Subscription - 1 Week | $4.99 | per 7 days |


## Frequently asked questions

### Is PDF Size Reducer free?

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

### Is Scanner App free?

Scanner App is free to download, with in-app purchases available.

### Which has better reviews, PDF Size Reducer or Scanner App?

PDF Size Reducer is rated higher. PDF Size Reducer averages 5.0 out of 5 from 3 ratings, while Scanner App averages 4.0 from 1 ratings.

### Do PDF Size Reducer or Scanner App have ads?

Both PDF Size Reducer and Scanner App show ads.

### Which is updated more often, PDF Size Reducer or Scanner App?

PDF Size Reducer ships an update every 8 days, and Scanner App every 3 days. Most recently, PDF Size Reducer was updated on October 24, 2026 and Scanner App on October 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.*