# Lightin vs Book Summary

The clearest difference is iOS requirement: Book Summary at 12.0 against Lightin's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Lightin sells 2 in-app purchases, starting at $0.99 per month and Book Summary sells 2 in-app purchases, starting at $9.00 per month. Whichever you choose, the download price is not the number that matters.

Lightin ships an update every 8 days, Book Summary weekly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Lightin | Book Summary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/lightin/id6444041267/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Subscription | — |
| Size | 28 MB | 90 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [RNOVEL PTE. LTD.](https://appshunter.io/developer/1630110740) | [Phan Tai Phuong](https://appshunter.io/developer/952621043) |

## What reviewers say

### Lightin

[App page](https://appshunter.io/ios/app/lightin/id6444041267)

Access condensed audio versions of bestselling non-fiction books and podcasts. Develop your career with key insights on management and leadership in minutes. Enjoy professional narration and a wide range of categories.

**Highlights:** Audio versions of books and podcasts, Professional narration, Condensed non-fiction insights, Management and leadership topics, 3-day free trial, Multiple categories

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Fee Monthly | $0.99 | per month |
| Premium Monthly | $12.99 | per month |


### Book Summary

[App page](https://appshunter.io/ios/app/book-summary-nine-language/id6450974180)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $9.00 | per month |
| Yearly Premium | $59.00 | per year |


## Frequently asked questions

### Is Lightin free?

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

### Is Book Summary free?

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

### Do Lightin or Book Summary have ads?

Neither Lightin nor Book Summary shows ads.

### Which is updated more often, Lightin or Book Summary?

Lightin ships an update every 8 days, and Book Summary weekly. Most recently, Lightin was updated on November 7, 2026 and Book Summary on November 3, 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.*