# FlashStacks vs Hanase

The clearest difference is device support: Hanase at 4 against FlashStacks's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. FlashStacks sells 2 in-app purchases, starting at $4.99 per month and Hanase sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

FlashStacks ships an update every 5 days, Hanase every 4 days. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | FlashStacks | Hanase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/flashstacks-flashcard-study/id6762071988/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 10 MB | 67 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Bailey Skewes](https://appshunter.io/developer/1892771018) | [RiceKernel Ltd](https://appshunter.io/developer/1201008110) |

## What reviewers say

### FlashStacks

[App page](https://appshunter.io/ios/app/flashstacks-flashcard-study/id6762071988)

Transform study materials into interactive Home Screen widgets. AI generates flashcards from PDFs, and spaced repetition optimizes learning. Visualize concepts with image occlusion and track progress with detailed stats.

**Highlights:** Home and Lock Screen widgets, AI-powered PDF to flashcard generation, Spaced repetition learning, Image occlusion cards, Progress tracking and stats, Customizable widget themes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlashStacks Premium — Monthly | $4.99 | per month |
| FlashStacks Premium — Annual | $34.99 | per year |


### Hanase

[App page](https://appshunter.io/ios/app/hanase-language-flashcards/id6774960268)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spanish for Travelers | $0.99 | one-time |
| German for Travelers | $0.99 | one-time |
| French for Travelers | $0.99 | one-time |
| Advanced German | $2.99 | one-time |
| Intermediate French | $2.99 | one-time |
| Advanced Kanji 3 | $2.99 | one-time |
| Advanced French | $2.99 | one-time |
| Intermediate Spanish | $2.99 | one-time |
| Advanced English | $2.99 | one-time |
| Intermediate English | $2.99 | one-time |


## Frequently asked questions

### Is FlashStacks free?

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

### Is Hanase free?

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

### Do FlashStacks or Hanase have ads?

Neither FlashStacks nor Hanase shows ads.

### Which is updated more often, FlashStacks or Hanase?

FlashStacks ships an update every 5 days, and Hanase every 4 days. Most recently, FlashStacks was updated on September 9, 2026 and Hanase on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*