# Knowre Math vs Vaia

The clearest difference is rating: Vaia at 4.7 against Knowre Math's 3.2. Vaia also leads on ratings volume (1.5K vs 6) and update cadence (weekly vs every 5 weeks). Knowre Math's advantage is in-app purchases (none vs 17) and iOS requirement (11.0 vs 17.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Vaia sells 15 in-app purchases, starting at $2.99 per month. Knowre Math asks for nothing beyond the download.

Vaia holds the better App Store score, 4.7 against 3.2. That said, the two scores are not equally well evidenced: Vaia has 1.5K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 80% of Knowre Math's written reviews are positive against 81% of Vaia's.

Knowre Math ships an update every 5 weeks, Vaia weekly. The most recent releases landed on October 5, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Knowre Math | Vaia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (6 ratings)](https://appshunter.io/ios/app/knowre-math/id1013478802/reviews) | **[4.7 (1.5K ratings)](https://appshunter.io/ios/app/vaia-flashcards-and-study-guide/id1439949520/reviews)** |
| Number of ratings | 6 | **1.5K** |
| Positive reviews | 80.0% of reviews | **81.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 103 MB | 240 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KnowRe Americas Inc.](https://appshunter.io/developer/1013478801) | [StudySmarter GmbH](https://appshunter.io/developer/1439949519) |

## What reviewers say

### Knowre Math

[App page](https://appshunter.io/ios/app/knowre-math/id1013478802)

This app offers a standards-aligned online math supplement for grades 1-12. It identifies and addresses individual learning gaps using personalized curricula and continuous assessment, supporting both students and teachers with actionable data.

**Highlights:** Standards-aligned curriculum, Individual learning gap identification, Personalized curricula, Continuous assessment, Teacher dashboard with actionable data, Interactive and scaffolded support

**Features:** macOS Compatibility

**In-app purchases:** none


### Vaia

[App page](https://appshunter.io/ios/app/vaia-flashcards-and-study-guide/id1439949520)

This app helps students improve grades and reduce study stress with AI-powered personalized study plans, flashcards, and practice exams. It transforms uploaded notes into comprehensive study materials, making learning efficient and engaging for any subject.

**Highlights:** AI-generated study plans, Personalized flashcards, Practice exams, Upload notes for study materials, Spaced repetition learning, Shared study materials

**Features:** Vision Pro support

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $2.99 | per month |
| Premium Plan (1 month) | $5.49 | per month |
| Premium Plan (1 month) | $6.49 | per month |
| Premium Plan (1 month) | $6.99 | per month |
| Premium Plan (1 week) | $7.99 | per 7 days |
| Premium Plan (1 month) | $8.99 | per month |
| Premium Plan (1 month) | $12.99 | per month |
| Premium Plan (1 year) | $17.99 | per year |
| Premium Plan (1 month) | $19.99 | per month |
| Premium Plan (1 year) | $31.99 | per year |
| Premium Plan (1 year) | $43.99 | per year |
| Premium Plan (1 year) | $59.99 | per year |
| Premium Plan (1 year) | $63.99 | per year |
| Premium Plan (1 year) | $89.99 | per year |
| Premium Plan (1 year) | $89.99 | per year |

**What reviewers like**

- 🚀 Efficient flashcard creation and study tools
- 🧠 AI-powered features for learning
- 📚 Vast library of shared study materials
- 🎨 Customizable and visually appealing interface
- 🤝 Collaboration and sharing with peers

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔒 Limited offline access without premium subscription
- 🤖 Inconsistent performance of AI-generated content
- 🗂️ Difficulty organizing and navigating large study sets
- 📱 Suboptimal mobile app experience compared to web

**Reported bugs**

- Flashcard review progress not saving correctly
- Inability to delete individual flashcards from a set
- Syncing issues between mobile app and web version
- Inconsistent behavior of AI-generated quiz questions

**Requested features**

- Add more language options
- Improve PDF and note-taking editor functionality
- Implement nested subsets within study sets
- Provide more customization options for colors and themes
- Integrate study timers and task management features


## Frequently asked questions

### Is Knowre Math free?

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

### Is Vaia free?

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

### Which has better reviews, Knowre Math or Vaia?

Vaia is rated higher. Knowre Math averages 3.2 out of 5 from 6 ratings, while Vaia averages 4.7 from 1.5K ratings.

### Do Knowre Math or Vaia have ads?

Neither Knowre Math nor Vaia shows ads.

### Which is updated more often, Knowre Math or Vaia?

Knowre Math ships an update every 5 weeks, and Vaia weekly. Most recently, Knowre Math was updated on October 5, 2026 and Vaia on October 14, 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.*