# Synopsia vs Bukai

The clearest difference is price: Synopsia at Free against Bukai's $4.99. Synopsia also leads on device support (4 vs 2) and iOS requirement (13.0 vs 18.0). Bukai's advantage is in-app purchases (none vs 4) and update cadence (every 6 days vs every 2 weeks). On ads there is nothing between them.

Synopsia is free to download; Bukai costs $4.99 up front. Synopsia sells 4 in-app purchases, starting at $6.99 per month. Bukai asks for nothing beyond the download.

Synopsia ships an update every 2 weeks, Bukai every 6 days. The most recent releases landed on November 3, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Synopsia | Bukai |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.6 (291 ratings)](https://appshunter.io/ios/app/synopsia-book-summaries/id6448647429/reviews)** | — |
| Number of ratings | **291** | — |
| Positive reviews | 69.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 38 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Devpool](https://appshunter.io/developer/945885126) | [社桥 郑](https://appshunter.io/developer/1530784065) |

## What reviewers say

### Synopsia

[App page](https://appshunter.io/ios/app/synopsia-book-summaries/id6448647429)

Access key ideas from top books in audio summaries. Learn new concepts quickly, whether you're commuting or relaxing. Offers a vast library, speed control, and offline listening.

**Highlights:** Extensive library of book summaries, Bionic Reading for faster absorption, Adjustable font size and speed control, Subtitles and automatic video player, Offline book summary downloads, Learn new words and access key points

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synopsia+ Monthly Subscription | $6.99 | per month |
| Synopsia+ Annual Subscription | $6.99 | per year |
| Buy a book | $1.99 | one-time |
| Synopsia+ Lifetime | $99.99 | one-time |

**What reviewers like**

- 👍 Great app idea
- 👍 Nice idea for book summaries
- 👍 Cool app for books
- 👍 App reads books
- 👍 Excellent application

**What reviewers complain about**

- 👎 Very few books of interest
- 👎 Cannot find books when searching
- 👎 No key points
- 👎 No citations
- 👎 Cannot ask AI questions

**Reported bugs**

- Error when clicking download
- When I click buy on Amazon it takes me to the French Amazon store
- Cannot get bookmarked titles off my list
- Support website oriented toward business partners, not app users
- There are not any summaries available in this app to listen to

**Requested features**

- Support for Airplay, Carplay, and Chromecast
- Ability to copy and paste summaries and share them
- Requests for books, even in French
- Offline mode feature
- Make Amazon link go to U.S. Amazon store


### Bukai

[App page](https://appshunter.io/ios/app/bukai/id6754677532)

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

**In-app purchases:** none


## Frequently asked questions

### Is Synopsia free?

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

### Is Bukai free?

Bukai costs $4.99, with no in-app purchases.

### Do Synopsia or Bukai have ads?

Neither Synopsia nor Bukai shows ads.

### Which is updated more often, Synopsia or Bukai?

Synopsia ships an update every 2 weeks, and Bukai every 6 days. Most recently, Synopsia was updated on November 3, 2026 and Bukai on October 26, 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.*