# D.S.Reader vs TapLex

The clearest difference is in-app purchases: D.S.Reader at none against TapLex's 2. D.S.Reader also leads on iOS requirement (15.6 vs 17). TapLex's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price and device support there is nothing between them.

Both are free to download. TapLex sells 2 in-app purchases, starting at $2.99 per month. D.S.Reader asks for nothing beyond the download.

D.S.Reader ships an update monthly, TapLex weekly. The most recent releases landed on September 10, 2026 and August 5, 2026 respectively.

## The numbers

| Metric | D.S.Reader | TapLex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/taplexai-assisted-epub-reader/id6759231609/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Freemium |
| Size | 93 MB | 35 MB |
| Requires iOS | **15.6** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Yi Li](https://appshunter.io/developer/1592052133) | [伟 胡](https://appshunter.io/developer/1809730195) |

## What reviewers say

### D.S.Reader

[App page](https://appshunter.io/ios/app/dsreader/id1592052131)

**Features:** macOS Compatibility

**In-app purchases:** none


### TapLex

[App page](https://appshunter.io/ios/app/taplexai-assisted-epub-reader/id6759231609)

This app enhances reading foreign language books by providing AI-powered contextual definitions and grammatical breakdowns of complex sentences. It automatically saves new vocabulary for review and offers a customizable reading experience with local file processing.

**Highlights:** AI contextual word definitions, Grammatical breakdown of sentences, Smart vocabulary builder, EPUB format support, Offline reading, Cross-device sync (Premium), Customizable reading layout

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TapLex Premium 1 Month | $2.99 | per month |
| TapLex Premium 12 Months | $19.99 | per year |


## Frequently asked questions

### Is D.S.Reader free?

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

### Is TapLex free?

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

### Do D.S.Reader or TapLex have ads?

D.S.Reader shows ads; TapLex does not.

### Which is updated more often, D.S.Reader or TapLex?

D.S.Reader ships an update monthly, and TapLex weekly. Most recently, D.S.Reader was updated on September 10, 2026 and TapLex on August 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.*