# Knowunity vs SKUL

The clearest difference is in-app purchases: SKUL at none against Knowunity's 45. SKUL also leads on ads (none vs shown) and rating (5.0 vs 4.7). Knowunity's advantage is update cadence (every 2 days vs every 2 months) and ratings volume (6.4K vs 1). On price, device support and iOS requirement there is nothing between them.

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

SKUL holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Knowunity has 6.4K ratings behind it against 1, so its average is the more settled of the two.

Knowunity ships an update every 2 days, SKUL every 2 months. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Knowunity | SKUL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6.4K ratings)](https://appshunter.io/ios/app/knowunity-ai-study-and-homework/id1484296272/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/skul/id1638873437/reviews)** |
| Number of ratings | **6.4K** | 1 |
| Positive reviews | 81.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#37** | — |
| Size | 225 MB | 9 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowunity GmbH](https://appshunter.io/developer/1484296271) | [Interia.pl sp. z o.o.](https://appshunter.io/developer/1888435067) |

## What reviewers say

### Knowunity

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

**Currently charting:** #37 Top Free · Education, #175 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


### SKUL

[App page](https://appshunter.io/ios/app/skul/id1638873437)

Access verified solutions and explanations for homework assignments from textbooks and workbooks for grades 4-8 and high school. Covers subjects like math, chemistry, and Polish, with practice exams also available. It's a free, ad-free resource to help students understand and verify their homework.

**Highlights:** Verified homework solutions, Teacher-prepared explanations, Covers grades 4-8 and high school, Subjects: Math, Chemistry, Polish, History, Biology, Physics, Geography, Nature, WOS, Practice exams for Matura and 8th grade, Ad-free and no account required

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

**In-app purchases:** none


## Frequently asked questions

### Is Knowunity free?

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

### Is SKUL free?

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

### Which has better reviews, Knowunity or SKUL?

SKUL is rated higher. Knowunity averages 4.7 out of 5 from 6.4K ratings, while SKUL averages 5.0 from 1 ratings.

### Do Knowunity or SKUL have ads?

Knowunity shows ads; SKUL does not.

### Which is updated more often, Knowunity or SKUL?

Knowunity ships an update every 2 days, and SKUL every 2 months. Most recently, Knowunity was updated on October 16, 2026 and SKUL on October 2, 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.*