# Knowunity vs Flember

The clearest difference is ads: Flember at none against Knowunity's shown. Knowunity's advantage is update cadence (every 2 days vs every 6 weeks) and chart position (#50 vs unranked). On price, in-app purchases, 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 and Flember sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Knowunity ships an update every 2 days, Flember every 6 weeks. The most recent releases landed on September 24, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Knowunity | Flember |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (4.6K ratings)](https://appshunter.io/ios/app/knowunity-ai-study-and-homework/id1484296272/reviews)** | — |
| Number of ratings | **4.6K** | — |
| Positive reviews | 82.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#50** | — |
| Size | 207 MB | 36 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Knowunity GmbH](https://appshunter.io/developer/1484296271) | [Victor Igor Gomes Martins](https://appshunter.io/developer/1681808416) |

## What reviewers say

### Knowunity

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

**Currently charting:** #50 Top Free · 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 | $8.99 | per month |
| Knowunity Pro | $9.99 | per month |
| Knowunity Pro | $9.99 | per month |
| Knowunity Pro | $11.99 | per 7 days |
| Knowunity Pro | $13.99 | per month |
| Knowunity Pro | $15.99 | per month |
| Knowunity Pro | $18.99 | 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


### Flember

[App page](https://appshunter.io/ios/app/flember-ai-study-guide/id6742158406)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Monthly | $14.90 | per month |
| Max Monthly | $24.99 | per month |
| Pro Yearly | $39.99 | per year |
| Pro Yearly | $89.90 | per year |
| Max Yearly | $199.99 | per year |


## Frequently asked questions

### Is Knowunity free?

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

### Is Flember free?

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

### Do Knowunity or Flember have ads?

Knowunity shows ads; Flember does not.

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

Knowunity ships an update every 2 days, and Flember every 6 weeks. Most recently, Knowunity was updated on September 24, 2026 and Flember on May 17, 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.*