# PKD App vs NextFlash

The clearest difference is rating: NextFlash at 5.0 against PKD App's 4.7. NextFlash also leads on device support (4 vs 2). PKD App's advantage is update cadence (every 6 months vs every 12 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

NextFlash holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

PKD App ships an update every 6 months, NextFlash every 12 months. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PKD App | NextFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/pkd-app/id6444050459/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/nextflash-english-lite/id6467892526/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 30 MB | 33 MB |
| Requires iOS | **14.3** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Expert Self Care Ltd](https://appshunter.io/developer/934979378) | [Max Schlee](https://appshunter.io/developer/429770420) |

## What reviewers say

### PKD App

[App page](https://appshunter.io/ios/app/pkd-app/id6444050459)

This app provides essential information, practical tips, and support resources for individuals newly diagnosed with or in the early stages of autosomal dominant polycystic kidney disease (ADPKD). It serves as a centralized, accessible hub for credible health advice and links to further assistance.

**Highlights:** Credible ADPKD information, Health advice, Practical everyday tips, Links to further resources, Support network connections

**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 PKD App free?

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

### Is NextFlash free?

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

### Which has better reviews, PKD App or NextFlash?

NextFlash is rated higher. PKD App averages 4.7 out of 5 from 3 ratings, while NextFlash averages 5.0 from 4 ratings.

### Do PKD App or NextFlash have ads?

Neither PKD App nor NextFlash shows ads.

### Which is updated more often, PKD App or NextFlash?

PKD App ships an update every 6 months, and NextFlash every 12 months. Most recently, PKD App was updated on November 3, 2026 and NextFlash on November 6, 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.*