# BlackSwan Audio vs Knowunity

The clearest difference is review sentiment: Knowunity at 82% against BlackSwan Audio's 0%. Knowunity also leads on update cadence (daily vs every 39 months) and ratings volume (10K vs 1). BlackSwan Audio's advantage is in-app purchases (none vs 45) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Knowunity sells 29 in-app purchases, starting at $2.99 per month. BlackSwan Audio asks for nothing beyond the download.

BlackSwan Audio holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Knowunity has 10K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of BlackSwan Audio's written reviews are positive against 82% of Knowunity's, so the app with the better star average is not the one people write more warmly about.

BlackSwan Audio ships an update every 39 months, Knowunity daily. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | BlackSwan Audio | Knowunity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/blackswan-audio/id1264522920/reviews)** | [4.7 (10K ratings)](https://appshunter.io/ios/app/knowunity-ai-study-and-homework/id1484296272/reviews) |
| Number of ratings | 1 | **10K** |
| Positive reviews | 0.0% of reviews | **82.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#19** |
| Size | 18 MB | 226 MB |
| Requires iOS | **11.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FERNUS BILISIM HIZMETLERI EGI.DAN. ve TIC.LTD.STI.](https://appshunter.io/developer/927900317) | [Knowunity GmbH](https://appshunter.io/developer/1484296271) |

## What reviewers say

### BlackSwan Audio

[App page](https://appshunter.io/ios/app/blackswan-audio/id1264522920)

This application provides audio versions of books published by BlackSwan Publishing. It allows users to listen to their favorite titles on the go, making literature accessible through sound.

**Highlights:** Audiobook playback, Access to BlackSwan Publishing titles, On-the-go listening, Literature accessibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowunity

[App page](https://appshunter.io/ios/app/knowunity-ai-study-and-homework/id1484296272)

**Currently charting:** #19 Top Free · Education, #83 Top Grossing · Education (US App Store)

This AI-powered study app helps students complete homework, understand concepts, and prepare for exams. Upload notes, videos, or lectures to generate flashcards, practice tests, and summaries. Get step-by-step homework solutions and personalized study plans.

**Highlights:** AI-powered homework solutions, Auto-generated flashcards and notes, Personalized exam study plans, Summarize uploaded notes and videos, Practice tests and quizzes, Chat with your notes

**Features:** Family Sharing

**In-app purchases (29)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowunity Plus | $2.99 | per month |
| Knowunity Pro | $3.99 | per 7 days |
| Knowunity Pro | $4.99 | per 7 days |
| Knowunity Plus | $7.49 | per month |
| Knowunity Pro | $7.99 | per month |
| Knowunity Pro | $8.49 | per 7 days |
| Knowunity Pro | $8.99 | per month |
| Knowunity Pro | $9.99 | per month |
| Knowunity Pro | $9.99 | per month |
| Knowunity Pro | $13.49 | per month |
| Knowunity Pro | $13.99 | per month |
| Knowunity Pro | $15.99 | per month |
| Knowunity Pro | $19.95 | per 3 months |
| Knowunity Pro | $22.99 | per year |
| Knowunity Pro | $24.99 | per year |
| Knowunity Pro | $29.90 | per year |
| Knowunity Plus | $34.99 | per year |
| Knowunity Pro | $35.90 | per year |
| Knowunity Pro | $35.99 | per year |
| Knowunity Pro | $35.99 | per year |
| Knowunity Pro | $39.99 | per year |
| Knowunity Pro | $39.99 | per year |
| Knowunity Pro | $49.90 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $49.99 | per year |
| Knowunity Pro | $54.99 | per year |
| Knowunity Pro | $59.90 | per year |

**What reviewers like**

- 🚀 Helpful AI assistant
- 👍 Useful revision notes and flashcards
- 💡 Collaborative community features
- 🚀 Efficient study tools
- 👍 Free app with no ads

**What reviewers complain about**

- 🔒 Paywall for premium features
- 🐛 Bugs and glitches in the app
- 🔒 Restricted access for younger users
- 🐛 Inconsistent user experience after updates

**Reported bugs**

- Frequent app crashes and freezes
- Issues with uploading and saving notes
- Problems with group chat functionality
- Inconsistent behavior when navigating the app

**Requested features**

- Add more advanced class options
- Improve search and organization of notes
- Implement a draft feature for creating study materials
- Add more customization options


## Frequently asked questions

### Is BlackSwan Audio free?

BlackSwan Audio is free to download, with no in-app purchases.

### Is Knowunity free?

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

### Which has better reviews, BlackSwan Audio or Knowunity?

BlackSwan Audio is rated higher. BlackSwan Audio averages 5.0 out of 5 from 1 ratings, while Knowunity averages 4.7 from 10K ratings.

### Do BlackSwan Audio or Knowunity have ads?

Knowunity shows ads; BlackSwan Audio does not.

### Which is updated more often, BlackSwan Audio or Knowunity?

BlackSwan Audio ships an update every 39 months, and Knowunity daily. Most recently, BlackSwan Audio was updated on October 24, 2026 and Knowunity on October 29, 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.*