# Tài Liệu PDF vs Spanish Reader

The clearest difference is in-app purchases: Tài Liệu PDF at none against Spanish Reader's 2. Tài Liệu PDF also leads on iOS requirement (12.0 vs 15.6). Spanish Reader's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Spanish Reader sells 2 in-app purchases, starting at $1.99 per month. Tài Liệu PDF asks for nothing beyond the download.

Tài Liệu PDF ships an update every 3 months, Spanish Reader every 4 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Tài Liệu PDF | Spanish Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 42 MB | 100 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Hung Phuoc Tran](https://appshunter.io/developer/1003648744) | [粤珠 袁](https://appshunter.io/developer/1875136461) |

## What reviewers say

### Tài Liệu PDF

[App page](https://appshunter.io/ios/app/tai-lieu-pdf/id6444025550)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spanish Reader

[App page](https://appshunter.io/ios/app/spanish-reader/id6766080273)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spanish Reader | $1.99 | per month |
| Spanish Reader | $12.99 | per year |


## Frequently asked questions

### Is Tài Liệu PDF free?

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

### Is Spanish Reader free?

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

### Do Tài Liệu PDF or Spanish Reader have ads?

Tài Liệu PDF shows ads; Spanish Reader does not.

### Which is updated more often, Tài Liệu PDF or Spanish Reader?

Tài Liệu PDF ships an update every 3 months, and Spanish Reader every 4 months. Most recently, Tài Liệu PDF was updated on October 27, 2026 and Spanish Reader on October 25, 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.*