# DLT Library vs Naiin Reader

The clearest difference is update cadence: Naiin Reader at every 2 months against DLT Library's every 7 months. DLT Library's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

DLT Library ships an update every 7 months, Naiin Reader every 2 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | DLT Library | Naiin Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.7 (6 ratings)](https://appshunter.io/ios/app/naiin-reader/id6680192386/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 9 MB | 40 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Department of Land Transport Thailand](https://appshunter.io/developer/1437216014) | [Amarin Printing & Publishing Public Company Limited.](https://appshunter.io/developer/464708773) |

## What reviewers say

### DLT Library

[App page](https://appshunter.io/ios/app/dlt-library/id1376509225)

**Features:** macOS Compatibility

**In-app purchases:** none


### Naiin Reader

[App page](https://appshunter.io/ios/app/naiin-reader/id6680192386)

This application allows you to read digital books from a renowned Thai bookstore. It offers features for customizing your reading experience, syncing across devices, and tracking progress. Enjoy a vast library of e-books on your smartphone, tablet, or e-reader.

**Highlights:** Store thousands of books, Customize text size, font, and themes, Take notes and bookmark pages, Sync reading progress across devices, Track reading progress percentage, Supports PDF and EPUB formats, Zoom for high-resolution images

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

**In-app purchases:** none


## Frequently asked questions

### Is DLT Library free?

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

### Is Naiin Reader free?

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

### Do DLT Library or Naiin Reader have ads?

Neither DLT Library nor Naiin Reader shows ads.

### Which is updated more often, DLT Library or Naiin Reader?

DLT Library ships an update every 7 months, and Naiin Reader every 2 months. Most recently, DLT Library was updated on October 4, 2026 and Naiin Reader on October 6, 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.*