# PDF Reader vs Equiv

The clearest difference is in-app purchases: Equiv at none against PDF Reader's 2. Equiv also leads on ads (none vs shown) and update cadence (every 10 days vs every 3 months). PDF Reader's advantage is iOS requirement (14.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. PDF Reader sells 2 in-app purchases, starting at $3.99 per month. Equiv asks for nothing beyond the download.

PDF Reader ships an update every 3 months, Equiv every 10 days. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PDF Reader | Equiv |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 23 MB | 5 MB |
| Requires iOS | **14.0** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Smit Pipaliya](https://appshunter.io/developer/1646406919) | [Callum Black](https://appshunter.io/developer/1873434550) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-pdf-viewer/id6443484704)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reader & Editor Monthly | $3.99 | per month |
| PDF Reader & Editor Yearly | $27.49 | per year |


### Equiv

[App page](https://appshunter.io/ios/app/equiv-simple-unit-converter/id6758530599)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Equiv free?

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

### Do PDF Reader or Equiv have ads?

PDF Reader shows ads; Equiv does not.

### Which is updated more often, PDF Reader or Equiv?

PDF Reader ships an update every 3 months, and Equiv every 10 days. Most recently, PDF Reader was updated on October 20, 2026 and Equiv on October 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.*