# 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 vs 讀滿 280：每日三則德文單字卡

The clearest difference is in-app purchases: 讀滿 280：每日三則德文單字卡 at none against 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除's 3. 讀滿 280：每日三則德文單字卡 also leads on update cadence (every 3 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 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. 讀滿 280：每日三則德文單字卡 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, 讀滿 280：每日三則德文單字卡 every 3 days. The most recent releases landed on October 14, 2026 and October 24, 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 | 讀滿 280：每日三則德文單字卡 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/280/id6818212834/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Size | 57 MB | 44 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [剑锋 刘](https://appshunter.io/developer/1725321361) | [Chan Nam Ao](https://appshunter.io/developer/6818212836) |

## 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 |


### 讀滿 280：每日三則德文單字卡

[App page](https://appshunter.io/ios/app/280/id6818212834)

**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 讀滿 280：每日三則德文單字卡 free?

讀滿 280：每日三則德文單字卡 is free to download, 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 讀滿 280：每日三則德文單字卡 have ads?

Neither 背單字、背英單、艾賓浩斯記憶曲線固有弱點消除 nor 讀滿 280：每日三則德文單字卡 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 讀滿 280：每日三則德文單字卡?

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 讀滿 280：每日三則德文單字卡 every 3 days. 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 October 14, 2026 and 讀滿 280：每日三則德文單字卡 on October 24, 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.*