# Easy as Pi vs Knowt

Easy as Pi and Knowt both sit at 4.8 stars, but that hides the real split: 100% of Easy as Pi's written reviews are positive against 62% of Knowt's. Easy as Pi also leads on in-app purchases (none vs 32) and iOS requirement (9.0 vs 16.4). Knowt's advantage is ratings volume (11K vs 6) and chart position (#86 vs unranked). On price, rating, ads and device support there is nothing between them.

Both are free to download. Knowt sells 27 in-app purchases, starting at $5.99 per month. Easy as Pi asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Easy as Pi against 4.7 for Knowt. That said, the two scores are not equally well evidenced: Knowt has 11K ratings behind it against 6, so its average is the more settled of the two. Written reviews are what separate them: 100% of Easy as Pi's written reviews are positive against 62% of Knowt's.

## The numbers

| Metric | Easy as Pi | Knowt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/easy-as-pi-memory-trainer/id1494716872/reviews)** | [4.7 (11K ratings)](https://appshunter.io/ios/app/knowt-ai-flashcards-and-notes/id6463744184/reviews) |
| Number of ratings | 6 | **11K** |
| Positive reviews | **100.0% of reviews** | 61.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#86** |
| Size | 7 MB | 150 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Play Button Entertainment Inc.](https://appshunter.io/developer/1486549892) | [Knowt Inc.](https://appshunter.io/developer/1462368056) |

## What reviewers say

### Easy as Pi

[App page](https://appshunter.io/ios/app/easy-as-pi-memory-trainer/id1494716872)

Practice and test your ability to recall digits of Pi. This educational tool helps you improve your memory of this mathematical constant.

**Highlights:** Test Pi digit recall, Practice memory skills, Educational tool, Focus on mathematical constant

**Features:** macOS Compatibility

**In-app purchases:** none


### Knowt

[App page](https://appshunter.io/ios/app/knowt-ai-flashcards-and-notes/id6463744184)

**Currently charting:** #86 Top Free · Education, #109 Top Grossing · Education (US App Store)

This study app uses AI to transform notes and lecture videos into flashcards and practice tests. It offers various study modes, including spaced repetition, and provides free AP exam study guides. Millions of student-created resources are available.

**Highlights:** AI flashcard maker, Summarize lecture videos, Create practice tests from notes/PDFs/videos, Free Learn Mode with multiple study modes, Spaced Repetition algorithm, Free AP Study Guides, Sync across mobile and web

**Features:** macOS Compatibility

**In-app purchases (27)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Plus Monthly | $5.99 | per month |
| Student Plus Monthly | $7.99 | per month |
| Teacher Plus Monthly | $7.99 | per month |
| Student Ultra Weekly | $9.99 | per 7 days |
| Student Ultra Monthly | $12.99 | per month |
| Teacher Ultra Monthly | $12.99 | per month |
| Student Ultra Monthly | $14.99 | per month |
| Teacher Ultra Monthly | $14.99 | per month |
| Student Ultra Monthly | $19.99 | per month |
| Student Ultra Monthly | $19.99 | per month |
| Student Ultra Monthly | $19.99 | per month |
| Teacher Ultra Monthly | $19.99 | per month |
| Student Plus Annual | $23.99 | per year |
| Student Ultra Monthly | $24.99 | per month |
| Teacher Plus Annual | $35.99 | per year |
| Teacher Ultra Annual | $47.99 | per year |
| Student Ultra Annual | $59.99 | per year |
| Teacher Ultra Annual | $59.99 | per year |
| Student Ultra Annual | $95.99 | per year |
| Teacher Ultra Annual | $95.99 | per year |
| Student Ultra Annual | $119.99 | per year |
| Student Ultra Annual | $119.99 | per year |
| Student Ultra Annual | $119.99 | per year |
| Student Ultra Annual | $119.99 | per year |
| Teacher Ultra Annual | $119.99 | per year |
| Student Ultra Annual | $149.99 | per year |
| Student ultra annual | $149.99 | per year |

**What reviewers like**

- 🚀 Amazing app
- 🚀 Quizlet alternative
- 👍 Helpful for studying
- 👍 Easy to use
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 Glitchy app
- 🐛 Bugs with flashcard functionality
- 🐛 Inconsistent performance
- 🐛 Syncing issues between devices

**Reported bugs**

- Flashcards disappearing or duplicating
- Incorrect answers marked as correct
- Freezing on update screen
- Compatibility issues on certain devices

**Requested features**

- Split screen support for iPad
- Ability to manually sort flashcards
- More formatting options for flashcards
- Improved AI-generated notes
- Offline study mode


## Frequently asked questions

### Is Easy as Pi free?

Easy as Pi is free to download, with no in-app purchases.

### Is Knowt free?

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

### Which has better reviews, Easy as Pi or Knowt?

Easy as Pi is rated higher. Easy as Pi averages 4.8 out of 5 from 6 ratings, while Knowt averages 4.7 from 11K ratings.

### Do Easy as Pi or Knowt have ads?

Neither Easy as Pi nor Knowt shows ads.

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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.*