# 柠檬自习室 vs Walking Clock

The clearest difference is in-app purchases: Walking Clock at none against 柠檬自习室's 4. Walking Clock also leads on ads (none vs shown) and update cadence (daily vs every 6 weeks). 柠檬自习室's advantage is iOS requirement (13.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. 柠檬自习室 sells 4 one-off in-app purchases. Walking Clock asks for nothing beyond the download.

柠檬自习室 ships an update every 6 weeks, Walking Clock daily. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 柠檬自习室 | Walking Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/id1562565200/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 94.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 171 MB | 4 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Ningmengyoumeng Science & Technology Co., Ltd](https://appshunter.io/developer/1452864063) | [培薇 刘](https://appshunter.io/developer/1886378554) |

## What reviewers say

### 柠檬自习室

[App page](https://appshunter.io/ios/app/id1562565200)

This app provides a virtual study environment to help users develop consistent study habits and improve focus. It offers various virtual classrooms, reminders, and daily statistics to track progress.

**Highlights:** Online study sessions, Choice of virtual classrooms, Realistic classroom simulation, Daily study statistics, Progress tracking, Reminders and check-ins

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 柠檬叶12元 | $1.99 | one-time |
| 自习礼盒-18元 | $2.99 | one-time |
| 柠檬叶18元 | $2.99 | one-time |
| 自习礼盒-25元 | $3.99 | one-time |


### Walking Clock

[App page](https://appshunter.io/ios/app/walking-clock/id6760933363)

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

**In-app purchases:** none


## Frequently asked questions

### Is 柠檬自习室 free?

柠檬自习室 is free to download, with in-app purchases available.

### Is Walking Clock free?

Walking Clock is free to download, with no in-app purchases.

### Do 柠檬自习室 or Walking Clock have ads?

柠檬自习室 shows ads; Walking Clock does not.

### Which is updated more often, 柠檬自习室 or Walking Clock?

柠檬自习室 ships an update every 6 weeks, and Walking Clock daily. Most recently, 柠檬自习室 was updated on October 19, 2026 and Walking Clock on October 4, 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.*