# Kör Instructor vs NextFlash

The clearest difference is update cadence: Kör Instructor at every 3 weeks against NextFlash's every 12 months. 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.

Kör Instructor ships an update every 3 weeks, NextFlash every 12 months. The most recent releases landed on October 27, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Kör Instructor | NextFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nextflash-english-lite/id6467892526/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 12 months |
| Monetization | — | Free |
| Size | 51 MB | 33 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Kör Teknologi AS](https://appshunter.io/developer/1516104179) | [Max Schlee](https://appshunter.io/developer/429770420) |

## What reviewers say

### Kör Instructor

[App page](https://appshunter.io/ios/app/kor-instructor/id1518128724)

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

**In-app purchases:** none


### NextFlash

[App page](https://appshunter.io/ios/app/nextflash-english-lite/id6467892526)

Learn English quickly and easily with interactive flashcards designed for casual conversation. Focus on vocabulary and phrases for everyday situations, requiring only a few minutes of practice daily. This app uses AI to optimize learning and supports multiple languages.

**Highlights:** Interactive flashcards, Learn vocabulary and phrases, Focus on casual conversation, Daily practice of 5-10 minutes, AI-optimized learning, Pronunciation enhancement with audio, Supports 33 interface languages

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kör Instructor free?

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

### Is NextFlash free?

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

### Do Kör Instructor or NextFlash have ads?

Neither Kör Instructor nor NextFlash shows ads.

### Which is updated more often, Kör Instructor or NextFlash?

Kör Instructor ships an update every 3 weeks, and NextFlash every 12 months. Most recently, Kör Instructor was updated on October 27, 2026 and NextFlash on October 21, 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.*