# 番茄ToDo vs 知音楼HD

The clearest difference is in-app purchases: 知音楼HD at none against 番茄ToDo's 3. 番茄ToDo's advantage is device support (4 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 番茄ToDo sells 3 one-off in-app purchases. 知音楼HD asks for nothing beyond the download.

番茄ToDo ships an update every 10 days, 知音楼HD fortnightly. The most recent releases landed on September 30, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 番茄ToDo | 知音楼HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (4.8K ratings)](https://appshunter.io/ios/app/todo/id1242689729/reviews)** | — |
| Number of ratings | **4.8K** | — |
| Positive reviews | 89.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 191 MB | 595 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Paitui Technology Co., Ltd.](https://appshunter.io/developer/1242689728) | [亿度慧达教育科技(北京)有限公司](https://appshunter.io/developer/564755477) |

## What reviewers say

### 番茄ToDo

[App page](https://appshunter.io/ios/app/todo/id1242689729)

This app combines a minimalist Pomodoro timer with a "study mode" to help users focus and avoid distractions. It also includes habit tracking, reminders, and white noise to enhance productivity and self-discipline.

**Highlights:** Study mode to block distractions, Pomodoro timer for focused work sessions, Habit tracking with quantitative measurement, Forced reminders to complete tasks, High-definition white noise for focus, Study room feature for shared focus sessions, Detailed statistics and Apple Health integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 番茄ToDo季度卡（3 个月） | $1.99 | one-time |
| 番茄ToDo季度卡（6个月） | $2.99 | one-time |
| 番茄ToDo季度卡（三年） | $8.99 | one-time |

**What reviewers like**

- 👍 Efficient and helpful app
- 🚀 Lightweight and easy to use
- 💡 Comprehensive features for productivity
- 🔒 No ads or distractions
- 🎨 Aesthetically pleasing design

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔋 High battery consumption
- 🌐 Lack of English language support
- 🔒 Limited customization options

**Reported bugs**

- White screen issue when editing whitelist
- Inconsistent behavior of 'study mode' locking
- Countdown timer not always working as expected

**Requested features**

- Add English language support
- Improve syncing across devices
- Introduce dark mode theme
- Allow more customization of timers and backgrounds
- Add multi-user functionality for shared study sessions


### 知音楼HD

[App page](https://appshunter.io/ios/app/hd/id1523039519)

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

**In-app purchases:** none


## Frequently asked questions

### Is 番茄ToDo free?

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

### Is 知音楼HD free?

知音楼HD is free to download, with no in-app purchases.

### Do 番茄ToDo or 知音楼HD have ads?

Neither 番茄ToDo nor 知音楼HD shows ads.

### Which is updated more often, 番茄ToDo or 知音楼HD?

番茄ToDo ships an update every 10 days, and 知音楼HD fortnightly. Most recently, 番茄ToDo was updated on September 30, 2026 and 知音楼HD on September 16, 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.*