# 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 vs Note Flash

The clearest difference is price: 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 at Free against Note Flash's $0.99. 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 also leads on update cadence (every 6 weeks vs every 15 months). Note Flash's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 is free to download; Note Flash costs $0.99 up front. 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 sells 3 in-app purchases, starting at $3.99 per month. Note Flash asks for nothing beyond the download.

背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 ships an update every 6 weeks, Note Flash every 15 months. The most recent releases landed on July 27, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 | Note Flash |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 15 months |
| Size | 57 MB | 147 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [剑锋 刘](https://appshunter.io/developer/1725321361) | [星翰 朱](https://appshunter.io/developer/1440699368) |

## What reviewers say

### 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除

[App page](https://appshunter.io/ios/app/id6480305754)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月 | $3.99 | per month |
| 包季 | $8.99 | per 3 months |
| 包年 | $22.99 | per year |


### Note Flash

[App page](https://appshunter.io/ios/app/note-flash-music-reading/id6497068802)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 free?

背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 is free to download, with in-app purchases available.

### Is Note Flash free?

Note Flash costs $0.99, with no in-app purchases.

### Do 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 or Note Flash have ads?

Neither 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 nor Note Flash shows ads.

### Which is updated more often, 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 or Note Flash?

背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 ships an update every 6 weeks, and Note Flash every 15 months. Most recently, 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 was updated on July 27, 2026 and Note Flash on September 12, 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.*