# PinyinEPUBReader vs LABooks

The clearest difference is in-app purchases: PinyinEPUBReader at none against LABooks's 1. LABooks's advantage is update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LABooks sells 1 in-app purchase, starting at $1.99 per month. PinyinEPUBReader asks for nothing beyond the download.

PinyinEPUBReader ships an update fortnightly, LABooks every 5 days. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PinyinEPUBReader | LABooks |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 14 MB | 9 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TARO TATSUMI](https://appshunter.io/developer/1836111580) | [Anna Lou](https://appshunter.io/developer/1475741652) |

## What reviewers say

### PinyinEPUBReader

[App page](https://appshunter.io/ios/app/pinyinepubreader/id6757860067)

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

**In-app purchases:** none


### LABooks

[App page](https://appshunter.io/ios/app/labooks-ai-audiobook-reader/id6760275792)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LABooks - Monthly Subscription | $1.99 | per month |


## Frequently asked questions

### Is PinyinEPUBReader free?

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

### Is LABooks free?

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

### Do PinyinEPUBReader or LABooks have ads?

Neither PinyinEPUBReader nor LABooks shows ads.

### Which is updated more often, PinyinEPUBReader or LABooks?

PinyinEPUBReader ships an update fortnightly, and LABooks every 5 days. Most recently, PinyinEPUBReader was updated on October 6, 2026 and LABooks 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.*