# Kayool vs Flex LMS

The clearest difference is in-app purchases: Flex LMS at none against Kayool's 9. Flex LMS also leads on update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kayool sells 9 one-off in-app purchases. Flex LMS asks for nothing beyond the download.

Kayool ships an update every 6 weeks, Flex LMS every 3 weeks. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Kayool | Flex LMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/kayool/id1558323549/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 84 MB | 57 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KAYOOL TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1558323551) | [Insight Online](https://appshunter.io/developer/1525363373) |

## What reviewers say

### Kayool

[App page](https://appshunter.io/ios/app/kayool/id1558323549)

This platform empowers educators to build and manage virtual classrooms, facilitating seamless communication and content sharing with students. It supports live streaming for interactive lessons and offers direct messaging for personalized feedback.

**Highlights:** Create multiple virtual classrooms, Student subscription to classes, Direct messaging between teachers and students, Note sharing capabilities, Live audio and video streaming for classes

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kayool Course Fee | $0.99 | one-time |
| Kayool Course Fee | $1.99 | one-time |
| Kayool Course fee | $3.99 | one-time |
| Kayool Course fee | $4.99 | one-time |
| Plus One Mathematics Tuition | $5.99 | one-time |
| Tuition Plus two Mathematics | $5.99 | one-time |
| Kayool Course fee | $6.99 | one-time |
| Kayool Course fee | $7.99 | one-time |
| Kayool Course Fee | $48.99 | one-time |


### Flex LMS

[App page](https://appshunter.io/ios/app/flex-lms/id1612423243)

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

**In-app purchases:** none


## Frequently asked questions

### Is Kayool free?

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

### Is Flex LMS free?

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

### Do Kayool or Flex LMS have ads?

Neither Kayool nor Flex LMS shows ads.

### Which is updated more often, Kayool or Flex LMS?

Kayool ships an update every 6 weeks, and Flex LMS every 3 weeks. Most recently, Kayool was updated on October 8, 2026 and Flex LMS on October 5, 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.*