# MemoryMonster vs DuoNiu Write

The clearest difference is update cadence: DuoNiu Write at weekly against MemoryMonster's every 3 months. MemoryMonster's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MemoryMonster sells 2 in-app purchases, starting at $2.99 per month and DuoNiu Write sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

MemoryMonster ships an update every 3 months, DuoNiu Write weekly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | MemoryMonster | DuoNiu Write |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memorymonster/id6757104976/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 131 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [伟强 钱](https://appshunter.io/developer/1834938447) | [娟妹 曹](https://appshunter.io/developer/6780705701) |

## What reviewers say

### MemoryMonster

[App page](https://appshunter.io/ios/app/memorymonster/id6757104976)

This app helps elementary school students memorize texts, poems, and English passages through interactive exercises. It offers listening, understanding, fill-in-the-blanks, sentence unscrambling, and speaking practice, with spaced repetition for long-term retention. Supports multiple user profiles and progress syncing across devices.

**Highlights:** Text and poem memorization, Interactive exercises (fill-in-the-blanks, sentence unscrambling), Spaced repetition for review, Speech practice with feedback, Multi-user profiles, Progress syncing, AI-powered comprehension aids

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP月度会员 | $2.99 | per month |
| VIP年度会员 | $24.99 | per year |


### DuoNiu Write

[App page](https://appshunter.io/ios/app/duoniu-write/id6780910815)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Poem Practice | $0.99 | one-time |
| Unlock All Poetry | $0.99 | one-time |


## Frequently asked questions

### Is MemoryMonster free?

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

### Is DuoNiu Write free?

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

### Do MemoryMonster or DuoNiu Write have ads?

Neither MemoryMonster nor DuoNiu Write shows ads.

### Which is updated more often, MemoryMonster or DuoNiu Write?

MemoryMonster ships an update every 3 months, and DuoNiu Write weekly. Most recently, MemoryMonster was updated on October 30, 2026 and DuoNiu Write on October 28, 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.*