# 런즈 티처스 vs 크래빗

The clearest difference is update cadence: 크래빗 at every 4 days against 런즈 티처스's every 8 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

런즈 티처스 ships an update every 8 days, 크래빗 every 4 days. Both last shipped on October 30, 2026.

## The numbers

| Metric | 런즈 티처스 | 크래빗 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 72 MB | 73 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mingle Lab](https://appshunter.io/developer/1653738923) | [Crabit Co., Ltd.](https://appshunter.io/developer/1786072928) |

## What reviewers say

### 런즈 티처스

[App page](https://appshunter.io/ios/app/id6477753770)

This app helps educational institutions promote their services, manage student inquiries, and streamline administrative tasks. It offers features for communication, billing, attendance tracking, and updating school information.

**Highlights:** Effective academy promotion, App inquiry and consultation, Academy news updates, Mobile billing and payment, Convenient class operation, Attendance management, Academy review management

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

**In-app purchases:** none


### 크래빗

[App page](https://appshunter.io/ios/app/id6743925094)

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

**In-app purchases:** none


## Frequently asked questions

### Is 런즈 티처스 free?

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

### Is 크래빗 free?

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

### Do 런즈 티처스 or 크래빗 have ads?

Neither 런즈 티처스 nor 크래빗 shows ads.

### Which is updated more often, 런즈 티처스 or 크래빗?

런즈 티처스 ships an update every 8 days, and 크래빗 every 4 days. Most recently, 런즈 티처스 was updated on October 30, 2026 and 크래빗 on October 30, 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.*