# 深瞳优学 HD vs MemoryMonster

The clearest difference is in-app purchases: 深瞳优学 HD at none against MemoryMonster's 2. 深瞳优学 HD also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 15.0). MemoryMonster's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. MemoryMonster sells 2 in-app purchases, starting at $2.99 per month. 深瞳优学 HD asks for nothing beyond the download.

深瞳优学 HD ships an update every 3 weeks, MemoryMonster every 3 months. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 深瞳优学 HD | MemoryMonster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memorymonster/id6757104976/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 30 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [煦 郭](https://appshunter.io/developer/920260942) | [伟强 钱](https://appshunter.io/developer/1834938447) |

## What reviewers say

### 深瞳优学 HD

[App page](https://appshunter.io/ios/app/hd/id1315261549)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 深瞳优学 HD free?

深瞳优学 HD is free to download, with no in-app purchases.

### Is MemoryMonster free?

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

### Do 深瞳优学 HD or MemoryMonster have ads?

Neither 深瞳优学 HD nor MemoryMonster shows ads.

### Which is updated more often, 深瞳优学 HD or MemoryMonster?

深瞳优学 HD ships an update every 3 weeks, and MemoryMonster every 3 months. Most recently, 深瞳优学 HD was updated on October 26, 2026 and MemoryMonster on October 30, 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.*