# Twos vs Plan Book

The clearest difference is in-app purchases: Plan Book at none against Twos's 10. Twos's advantage is update cadence (daily vs weekly) and device support (4 vs 1). On price and ads there is nothing between them.

Both are free to download. Twos sells 10 in-app purchases, starting at $4.99 per month. Plan Book asks for nothing beyond the download.

Twos ships an update daily, Plan Book weekly. The most recent releases landed on November 11, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Twos | Plan Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (393 ratings)](https://appshunter.io/ios/app/twos-notes-lists-and-reminders/id1097350934/reviews)** | — |
| Number of ratings | **393** | — |
| Positive reviews | 89.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | Freemium | — |
| Size | 152 MB | 3 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Twos Technologies Incorporated](https://appshunter.io/developer/1627491410) | [Yizhou Chen](https://appshunter.io/developer/1852533024) |

## What reviewers say

### Twos

[App page](https://appshunter.io/ios/app/twos-notes-lists-and-reminders/id1097350934)

Quickly capture notes, to-dos, and reminders in one place. Access your information across all devices with seamless syncing and powerful search. Collaborate on lists and integrate with other reading apps.

**Highlights:** Quick note and to-do entry, Cross-device syncing, Powerful search functionality, Collaborative list sharing, Integration with reading apps, Rich text formatting, AI-powered chat for retrieval

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Twos Plus Monthly | $4.99 | per month |
| Twos Believer Monthly | $4.99 | per month |
| Twos Plus Yearly | $39.99 | per year |
| Your week | $1.99 | one-time |
| Hyperlinks | $1.99 | one-time |
| Alerts | $1.99 | one-time |
| Tags | $1.99 | one-time |
| Templates | $1.99 | one-time |
| AI | $1.99 | one-time |
| Buy all | $11.99 | one-time |

**What reviewers like**

- 🚀 Simple and intuitive
- 👍 Customizable and versatile
- 🤖 Helpful AI assistant
- 🗓️ Seamless calendar integration
- 💡 Innovative features like Twos World

**What reviewers complain about**

- 🐛 Occasional bugs and sync issues
- 🔍 Steep learning curve for some
- 🗓️ Limited calendar functionality
- 🔒 Concerns about privacy and data usage

**Reported bugs**

- Added events not showing in calendar view
- Crashes and freezes on some devices
- Issues with photo imports and attachments

**Requested features**

- Dark mode option
- Kanban board view
- Pomodoro timer integration
- Better task duration and scheduling in calendar
- Improved organization with folders and hierarchical structure


### Plan Book

[App page](https://appshunter.io/ios/app/plan-book-tasks-and-focus/id6803737491)

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

**In-app purchases:** none


## Frequently asked questions

### Is Twos free?

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

### Is Plan Book free?

Plan Book is free to download, with no in-app purchases.

### Do Twos or Plan Book have ads?

Neither Twos nor Plan Book shows ads.

### Which is updated more often, Twos or Plan Book?

Twos ships an update daily, and Plan Book weekly. Most recently, Twos was updated on November 11, 2026 and Plan Book on October 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.*