# MemoryMonster vs iSiShu

The clearest difference is price: MemoryMonster at Free against iSiShu's $0.99. MemoryMonster also leads on iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

MemoryMonster is free to download; iSiShu costs $0.99 up front. MemoryMonster sells 2 in-app purchases, starting at $2.99 per month and iSiShu sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | MemoryMonster | iSiShu |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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 | — |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 27 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) | [天从 何](https://appshunter.io/developer/914453386) |

## 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 |


### iSiShu

[App page](https://appshunter.io/ios/app/isishu-four-books-classics/id6797013698)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reward developers | $0.99 | one-time |


## Frequently asked questions

### Is MemoryMonster free?

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

### Is iSiShu free?

iSiShu costs $0.99, and also offers in-app purchases.

### Do MemoryMonster or iSiShu have ads?

Neither MemoryMonster nor iSiShu shows ads.

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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.*