# Seriatim Reader vs Lex Reader

The clearest difference is in-app purchases: Seriatim Reader at none against Lex Reader's 2. Lex Reader's advantage is ratings volume (12 vs 4) and iOS requirement (15.0 vs 18.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Lex Reader sells 2 in-app purchases, starting at $4.99 per month. Seriatim Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Seriatim Reader against 4.9 for Lex Reader. Both are backed by a comparable volume of ratings — 4 and 12 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Seriatim Reader ships an update every 8 days, Lex Reader weekly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Seriatim Reader | Lex Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/seriatim-reader/id6756240539/reviews)** | [4.9 (12 ratings)](https://appshunter.io/ios/app/lex-reader/id6757875402/reviews) |
| Number of ratings | 4 | **12** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 132 MB | 3 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Invisible Hours UG (haftungsbeschrankt)](https://appshunter.io/developer/1810089843) | [LexBooks, Inc.](https://appshunter.io/developer/1869433764) |

## What reviewers say

### Seriatim Reader

[App page](https://appshunter.io/ios/app/seriatim-reader/id6756240539)

This app transforms books into a calm, focused reading experience by presenting text one sentence at a time. It's designed to reduce cognitive load and distractions, making reading easier for everyone, especially those with ADHD or who get overwhelmed by dense text. Customize your reading experience and access local AI tools for translation, text-to-speech, and plot questions.

**Highlights:** Sentence-by-sentence reading flow, Customizable text size, spacing, and speed, Local AI for translation and text-to-speech, Offline EPUB and PDF import, Distraction-free interface, Haptic feedback for progress

**Features:** macOS Compatibility

**In-app purchases:** none


### Lex Reader

[App page](https://appshunter.io/ios/app/lex-reader/id6757875402)

This app offers a versatile reading experience for books and audiobooks with customizable modes, extensive library access, and social features. It allows users to import their own content, sync progress across devices, and discover new reads through personalized recommendations and curated shelves.

**Highlights:** Customizable reading modes (scroll, paginated, blitz, bilingual), EPUB, PDF, and MP3 reader/player, Text-to-audio synchronization, Ambient audiobook listening with custom sounds, Extensive library search and personalized recommendations, Import reading data from Goodreads/Storygraph, Create and share custom book shelves, Sync reading progress across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lex Premium | $4.99 | per month |
| Lex Premium | $39.99 | per year |


## Frequently asked questions

### Is Seriatim Reader free?

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

### Is Lex Reader free?

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

### Which has better reviews, Seriatim Reader or Lex Reader?

Seriatim Reader is rated higher. Seriatim Reader averages 5.0 out of 5 from 4 ratings, while Lex Reader averages 4.9 from 12 ratings.

### Do Seriatim Reader or Lex Reader have ads?

Neither Seriatim Reader nor Lex Reader shows ads.

### Which is updated more often, Seriatim Reader or Lex Reader?

Seriatim Reader ships an update every 8 days, and Lex Reader weekly. Most recently, Seriatim Reader was updated on October 9, 2026 and Lex Reader on October 7, 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.*