# UDO List 待办清单、日历、专注番茄、游戏化、目标管理 vs Random Reminder

UDO List 待办清单、日历、专注番茄、游戏化、目标管理 and Random Reminder are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. UDO List 待办清单、日历、专注番茄、游戏化、目标管理 sells 3 in-app purchases, starting at $0.99 per month and Random Reminder sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UDO List 待办清单、日历、专注番茄、游戏化、目标管理 ships an update every 5 days, Random Reminder weekly. The most recent releases landed on September 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | UDO List 待办清单、日历、专注番茄、游戏化、目标管理 | Random Reminder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (18 ratings)](https://appshunter.io/ios/app/random-reminder-focus-timer/id6745423696/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | — | Freemium |
| Size | 48 MB | 43 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [俊豪 陈](https://appshunter.io/developer/1694583989) | [志高 谢](https://appshunter.io/developer/1811717824) |

## What reviewers say

### UDO List 待办清单、日历、专注番茄、游戏化、目标管理

[App page](https://appshunter.io/ios/app/udo-list/id6740374928)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UDOlist月度会员 | $0.99 | per month |
| UDOlist年度会员 | $3.99 | per year |
| UDOlist永久会员 | $9.99 | one-time |


### Random Reminder

[App page](https://appshunter.io/ios/app/random-reminder-focus-timer/id6745423696)

This app helps you achieve deep focus quickly through a unique method involving random sound reminders and short breaks. It's designed to improve attention, memory, and learning performance by leveraging principles like neural replay and ultradian rhythms.

**Highlights:** Random sound interval reminders, 10-second micro-breaks, 90-minute focus sessions, Neural replay for memory, Variable ratio reinforcement, Zeigarnik effect utilization

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度高级会员 | $2.99 | per month |
| 季度高级会员 | $9.99 | per 3 months |
| 年度高级会员 | $24.99 | per year |
| 违约成本 | $0.99 | one-time |


## Frequently asked questions

### Is UDO List 待办清单、日历、专注番茄、游戏化、目标管理 free?

UDO List 待办清单、日历、专注番茄、游戏化、目标管理 is free to download, with in-app purchases available.

### Is Random Reminder free?

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

### Do UDO List 待办清单、日历、专注番茄、游戏化、目标管理 or Random Reminder have ads?

Neither UDO List 待办清单、日历、专注番茄、游戏化、目标管理 nor Random Reminder shows ads.

### Which is updated more often, UDO List 待办清单、日历、专注番茄、游戏化、目标管理 or Random Reminder?

UDO List 待办清单、日历、专注番茄、游戏化、目标管理 ships an update every 5 days, and Random Reminder weekly. Most recently, UDO List 待办清单、日历、专注番茄、游戏化、目标管理 was updated on September 10, 2026 and Random Reminder on September 29, 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.*