# Instant Reader vs PDF Reader

The clearest difference is in-app purchases: PDF Reader at none against Instant Reader's 1. PDF Reader also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Instant Reader sells 1 in-app purchase, starting at $2.99 per month. PDF Reader asks for nothing beyond the download.

Instant Reader ships an update every 2 weeks, PDF Reader weekly. The most recent releases landed on September 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Instant Reader | PDF Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 3 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Roman Vygnich](https://appshunter.io/developer/1351323534) | [Mehmet Tark Ozdemir](https://appshunter.io/developer/1784308273) |

## What reviewers say

### Instant Reader

[App page](https://appshunter.io/ios/app/instant-reader/id6761315198)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Actions | $2.99 | per month |


### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-customization/id6763236250)

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

**In-app purchases:** none


## Frequently asked questions

### Is Instant Reader free?

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

### Is PDF Reader free?

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

### Do Instant Reader or PDF Reader have ads?

Neither Instant Reader nor PDF Reader shows ads.

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

Instant Reader ships an update every 2 weeks, and PDF Reader weekly. Most recently, Instant Reader was updated on September 26, 2026 and PDF Reader 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.*