# Decodely vs Old PDF Reader

The clearest difference is review sentiment: Old PDF Reader at 100% against Decodely's 31%. Old PDF Reader also leads on rating (4.0 vs 2.3) and iOS requirement (7.1 vs 18.0). Decodely's advantage is update cadence (every 10 months vs every 24 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Old PDF Reader holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 31% of Decodely's written reviews are positive against 100% of Old PDF Reader's.

Decodely ships an update every 10 months, Old PDF Reader every 24 months. The most recent releases landed on July 24, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Decodely | Old PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/decodely/id492502044/reviews) | **[4.0 (3 ratings)](https://appshunter.io/ios/app/old-pdf-reader/id507624100/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 31.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 months** | Every 24 months |
| Monetization | Free | Free |
| Size | 1 MB | 48 MB |
| Requires iOS | 18.0 | **7.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Pulsely Consulting](https://appshunter.io/developer/475349326) | [STUDIO SHIN](https://appshunter.io/developer/300665413) |

## What reviewers say

### Decodely

[App page](https://appshunter.io/ios/app/decodely/id492502044)

Quickly scan and decode various barcode and QR code formats using your device's camera. Simply point your camera at a code to instantly retrieve its information.

**Highlights:** Barcode decoding, QR code scanning, Camera integration, Supports EAN-13, UPC-A, Code 128, and more, Supports QR Code, Aztec, and PDF 417

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

**In-app purchases:** none


### Old PDF Reader

[App page](https://appshunter.io/ios/app/old-pdf-reader/id507624100)

Easily browse and view your PDF documents. Adjust the display style in six stages for comfortable reading. Import PDFs directly from your device's share function.

**Highlights:** PDF document browsing, Adjustable display style, Import from share button, Document list management, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decodely free?

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

### Is Old PDF Reader free?

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

### Which has better reviews, Decodely or Old PDF Reader?

Old PDF Reader is rated higher. Decodely averages 2.3 out of 5 from 3 ratings, while Old PDF Reader averages 4.0 from 3 ratings.

### Do Decodely or Old PDF Reader have ads?

Neither Decodely nor Old PDF Reader shows ads.

### Which is updated more often, Decodely or Old PDF Reader?

Decodely ships an update every 10 months, and Old PDF Reader every 24 months. Most recently, Decodely was updated on July 24, 2026 and Old PDF Reader on September 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.*