# 纸条作文 vs 中学化学实验室

The clearest difference is ads: 纸条作文 at none against 中学化学实验室's shown. 纸条作文 also leads on review sentiment (96% vs 67%) and rating (4.8 vs 4.5). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. 纸条作文 sells 10 one-off in-app purchases and 中学化学实验室 sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

纸条作文 holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 137 and 35 respectively. Written reviews point the same way: 96% of 纸条作文's written reviews are positive against 67% of 中学化学实验室's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 纸条作文 | 中学化学实验室 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (137 ratings)](https://appshunter.io/ios/app/ai/id1207254643/reviews)** | [4.5 (35 ratings)](https://appshunter.io/ios/app/id1569197690/reviews) |
| Number of ratings | **137** | 35 |
| Positive reviews | **96.1% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 215 MB | 384 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广州启合科技有限公司](https://appshunter.io/developer/1410061681) | [Shanghai Niwei Digital Technology Co., Ltd.](https://appshunter.io/developer/1563677609) |

## What reviewers say

### 纸条作文

[App page](https://appshunter.io/ios/app/ai/id1207254643)

This app provides a vast collection of writing materials, including vocabulary, sentence structures, and essay examples, updated daily and categorized by common themes. It also offers current event analysis, writing techniques, and practice opportunities to help students improve their essay writing skills for exams.

**Highlights:** Daily updated writing materials, Categorized by 20+ themes, Current event analysis and commentary, Application guidance for materials, Online writing practice and peer feedback, Interest-based communities and discussions

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 首购月卡 | $0.99 | one-time |
| 月度会员28 | $3.99 | one-time |
| 月度会员 | $5.99 | one-time |
| 会员月卡 | $6.99 | one-time |
| 季度会员 | $12.99 | one-time |
| 纸条会员毕业卡 | $24.99 | one-time |
| 会员年卡188 | $29.99 | one-time |
| 纸条会员 | $29.99 | one-time |
| 年度会员 | $34.99 | one-time |
| 纸条会员 | $49.99 | one-time |

**What reviewers like**

- 📚 Rich and diverse writing materials/素材库
- ✍️ Effective essay writing improvement
- 🎨 Clean and elegant interface design
- 💡 Daily writing prompts and practice features
- 🏆 High-quality curated content from skilled writers

**What reviewers complain about**

- 💰 High subscription/paywall costs unfriendly to students
- 🔄 Increased commercialization and test-prep focus
- 📉 Quality decline in community content over time
- 🚫 Overly strict content moderation policies
- ⚠️ Content becomes paid shortly after collection

**Reported bugs**

- App occasionally freezes or lags
- Collected content disappears from saved folders
- Cannot register with overseas phone numbers
- Search results don't maintain navigation position
- Content moderation errors and false rejections

**Requested features**

- Add excellent essay examples to writing method daily recommendations
- iPad horizontal/landscape mode support
- Simplified collection browsing interface
- Persistent search history and navigation
- International registration options (email, non-China phone numbers)


### 中学化学实验室

[App page](https://appshunter.io/ios/app/id1569197690)

This app provides a virtual chemistry lab experience for middle school students preparing for exams. It simulates essential experimental operations and procedures, allowing users to practice and master them in a safe, digital environment. The app covers a wide range of common chemistry experiments.

**Highlights:** Simulated chemistry experiments, Exam preparation focus, Covers essential lab procedures, Virtual apparatus assembly, Interactive learning modules, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 化学实验室VIP月会员体验 | $1.99 | per month |
| 获取一年化学实验VIP模拟体验 | $6.99 | per year |


## Frequently asked questions

### Is 纸条作文 free?

纸条作文 is free to download, with in-app purchases available.

### Is 中学化学实验室 free?

中学化学实验室 is free to download, with in-app purchases available.

### Which has better reviews, 纸条作文 or 中学化学实验室?

纸条作文 is rated higher. 纸条作文 averages 4.8 out of 5 from 137 ratings, while 中学化学实验室 averages 4.5 from 35 ratings.

### Do 纸条作文 or 中学化学实验室 have ads?

中学化学实验室 shows ads; 纸条作文 does not.

### Which is updated more often, 纸条作文 or 中学化学实验室?

纸条作文 ships an update every 3 weeks, and 中学化学实验室 every 3 weeks. Most recently, 纸条作文 was updated on November 11, 2026 and 中学化学实验室 on November 3, 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.*