Comparison

Twos vs Plan Book

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Twos

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
Read full description

Twos is the quickest place to write things down. Write a thing in seconds, then find it the moment you need it. Notes, to-dos, reminders, events, and lists all live in one simple place, synced to every device you use. • Write a thing in seconds from the app, a widget, or Siri • Save what's on your screen by saying "Save this to Twos" • Unfinished to-dos roll over to today on their own • Ask Twos Chat anything you've written, even months later • Reminders that repeat, follow your location, and sync with your calendar • Rich text: bold, italics, headings, code, and longer notes • Share a list and write it together, live • Bring in what you read from Instapaper, Readwise, Kindle, and Apple Books • Search everything you've ever written, instantly • Works offline and syncs when you're back • Use Twos on iPhone, iPad, Mac, Apple Watch, and the web Twos is free for life, with no limit on how much you write. Twos Plus adds templates, archive, week view, customization, unlimited AI chat, and more, across every device you use. Write down things that matter. Privacy policy: https://www.TwosApp.com/privacy Terms of service: https://www.TwosApp.com/terms

About

Plan Book

Features
Read full description

Plan Book brings tasks, subtasks, focus sessions, and your calendar into one calm place. Start each day with a clear view of what matters. Add dated or unscheduled tasks, break larger work into steps, and use the quiet countdown when you are ready to focus. Features: - A Today view with progress, unfinished work, and focused next steps - Unscheduled, Planned, and Done task lists with manual ordering - Optional dates, categories, focus durations, reminders, and subtasks - A quiet focus timer with pause, resume, minimize, and persistent step progress - Monthly and daily calendar views for dated tasks - Optional daily task briefings at a time you choose - Home Screen and Lock Screen widgets - Light and dark appearance options No account is required. Saved planner records stay on your device.

Screenshots

Twos4 screens
Plan Book4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

Twos ships an update daily, Plan Book weekly. The most recent releases landed on November 9, 2026 and October 29, 2026 respectively.

Scorecard4 real differences · 6 level
Twos versus Plan Book: the parameters behind the verdict, then further details
ParameterTwosPlan Book
PriceFreeFree
Rating4.8 (392 ratings) — better—
Positive reviews89.9% of reviews—
Number of ratings392 — better—
Update frequencyDaily — betterWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone
Requires iOS16.0 — better18.0
Further details — not scored
Size152 MB3 MB
Age rating4+4+
DeveloperTwos Technologies IncorporatedYizhou Chen

Bugs and requests

Twos

Reported bugs

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

Requested features

6 requests
  • Dark mode option
  • Kanban board view
  • Pomodoro timer integration
  • Better task duration and scheduling in calendar
  • Improved organization with folders and hierarchical structure
Show 1 more
  • Custom recurring task options

Plan Book

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Twos

Subscriptions3
  • Twos Plus Monthly7 Days trial$4.991 Month
  • Twos Believer Monthly$4.991 Month
  • Twos Plus Yearly7 Days trial$39.991 Year
One-time7
  • Your week$1.99
  • Hyperlinks$1.99
  • Alerts$1.99
Show 4 more
  • Tags$1.99
  • Templates$1.99
  • AI$1.99
  • Buy all$11.99
None

Plan Book

No in-app purchases

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 9, 2026 and Plan Book on October 29, 2026.

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