Comparison

Simplanum Pro vs 3by4

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

Head to head
About

Simplanum Pro

Organize your life with a powerful note-taking and planning tool. Create detailed entries, manage tasks, and sync across all your devices. Share information and collaborate with others seamlessly.

Highlights
  • Create notes with text and checklists
  • Convert entries to events with date and time
  • Attach unlimited files of any type
  • Sync notes and events across devices
  • Organize notes by notebooks
  • Share records and notebooks with contacts
Features
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Simplanum Pro - all features are included Simplanum allows You to create notes with large text and checklists, add the date and the time to an entry and convert it to event, attach unlimited number of files of different types, share records with your contacts. You can manage notes and events both online and offline. All your entries are available as a list as well as on different calendar grids and are instantly synced between all your devices, which makes every entry available and relevant to you. Gather all Your information in one place and make Your life easier and more comfortable in the flow of information. Using Simplanum, you will definitely appreciate: - ADVANCED FUNCTIONALITY ● Planning events, record information in notes ● Organizing your task list and marking your entries as completed ● Grouping your notes by Notebooks ● Assigning notifications and drive-time ● Sharing notes and notebooks with embers of Your contact list - INSTANT SYNC Simplanum supports working on various devices so You always have the fastest and most convenient access to your entries and documents: ● Simplanum Web makes it easy to create entries and drag and drop attachments from Your laptop using keyboard shortcuts ● iPhone, iPad, or Apple Watch apps - instant access to today's plans or search for the desired entry on Your favorite device - COLLABORATION Simplanum allows you to interact with your contacts, work together in notes and notebooks ● Add members from your contacts to your notes and assign permissions to them ● Add participants to notebooks to share information systemically - DIFFERENT TYPES OF INFORMATION REPRESENTATION Working in Simplanum, You will be comfortable creating, editing, and finding Your records the way You are used to! ● Calendar: estimate the load in the grid for 1,3,5 days or view the full month to easily find the needed day ● List: quickly view Your entries in the list ● Daily planner: view the workload for Your chosen day and create events in it! ● Widget: estimate the workload of the current day - UNIQUE DESIGN Simplanum's design supports climate zones, daily, calendar phases, and any weather changes by author’s illustrations, thus it helps you navigate intuitively through the time and the list of entries. Simplanum contains weather data for all times. ● Assign colors for different types of records ● Assign colors to Notebook ● Choose and set different color themes: light and dark - ATTACHMENTS You can add an unlimited number of attachments to any entry. These can be files of any type: ● Photos, images, videos ● Documents of any format ● Geo-location with the ability to set a route ● Voice attachment with the ability to add annotations A multi-functional photo editor is available for the attached images. - DATA AVAILABILITY IN AIRPLANE MODE You don't need to worry if you are not connected to the Internet, all Your data is available locally on your device. Simplanum can be used for FREE - most of the necessary features are available in a FREE account. If You want to get an extended set of features or increase your limits, You can use various subscriptions directly in the app: ● Simplanum Lite Cloud - 0.99$ monthly 1000 Entries / 5 Gb Cloud Storage ● Simplanum Base Cloud - 1.99$ monthly 5000 Entries / 20 Gb Cloud Storage ● Simplanum Plus Cloud - 5.99$ monthly ∞ Entries / 100 Gb Cloud Storage Subscriptions are automatically renewed, and a new payment will be debited from your account 24 hours before the expiration date. You can manage subscriptions and disable auto-renewal in your account settings. For any questions or suggestions, contact the Online Support service directly from the app or from the website. Learn more about Simplanum on the website www.simplanum.com Privacy Policy: http://www.simplanum.com/policy Terms of Use: https://www.simplanum.com/terms-of-use

About

3by4

This app helps you break down large goals into actionable daily, weekly, monthly, and yearly plans. A virtual assistant guides you through habit formation and task management, offering friendly reminders and progress tracking.

Highlights
  • Goal breakdown into actionable plans
  • Habit tracking with reminders
  • Daily task management
  • Focus timer
  • Home screen widgets
  • AI-powered planning assistance
Features
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3by4 turns your goals into a plan for your day, week, month and year. Timi, your little planning buddy, helps you follow through. Tell Timi what you want, from a big goal to a small daily habit. Timi turns it into a plan and keeps you on track until it's done. GOALS THAT BECOME PLANS • Tell Timi a goal in your own words, like getting healthier or saving for a trip • Timi asks a few questions, then lays out the steps across your year • Change anything you like, then add the plan with one tap HABITS THAT STICK • Daily and weekly habits that repeat on their own • Reminders and alarms at the right moment • Friendly check-ins from Timi on the days you need a nudge • Progress rings that fill as you keep going, and Timi celebrates with you YOUR DAY, PLANNED • Today's tasks right next to your calendar's meetings • Say a task out loud and Timi adds it for you • A focus timer for the work that matters • Home Screen widgets for today at a glance ALL YOUR TIME IN ONE PLACE 3by4 keeps four sizes of time: day, week, month and year. Look back at yesterday, act on today and get ready for tomorrow. That's the 3by4 method, and Timi does the sorting for you. YOURS No account needed. Your tasks stay on your iPhone, with iCloud backup. Planning with Timi uses AI, and the app tells you what is shared before anything is sent. TRY IT FREE Start with a 7-day free trial, and Timi will remind you before it ends. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Privacy Policy: https://3by4.com/privacy Terms of Use: https://3by4.com/terms

Screenshots

Simplanum Pro4 screens
3by44 screens

Verdict

The call

The clearest difference is price: 3by4 at Free against Simplanum Pro's $1.99. 3by4 also leads on review sentiment (100% vs 56%) and rating (5.0 vs 2.5). Simplanum Pro's advantage is ads (none vs shown) and device support (4 vs 1). On ratings volume, update cadence, in-app purchases and iOS requirement 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

3by4 is free to download; Simplanum Pro costs $1.99 up front. Simplanum Pro sells 9 in-app purchases, starting at $0.99 per month and 3by4 sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

3by4 holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 56% of Simplanum Pro's written reviews are positive against 100% of 3by4's.

UpkeepUpdate frequency

Simplanum Pro ships an update every 2 months, 3by4 every 3 months. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Simplanum Pro versus 3by4: the parameters behind the verdict, then further details
ParameterSimplanum Pro3by4
Price$1.99Free — better
Rating2.5 (2 ratings)5.0 (2 ratings) — better
Positive reviews56.3% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 2 months — betterEvery 3 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone
Requires iOS15.6 — better16.4
Further details — not scored
Size141 MB110 MB
Age rating4+4+
DeveloperSimplanum TeamKarimulla Mohammed

Customer experience

Simplanum Pro

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews16 reviews
Positive56.3%
Neutral12.5%
Negative31.3%

3by4

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

9 purchases

Simplanum Pro

Subscriptions3
  • Lite Cloud - start to plan$0.991 Month
  • BASE Cloud - A good choise$1.991 Month
  • Plus Cloud - Work together$5.991 Month
One-time6
  • Additional Notebooks$0.99
  • Additional private notebook$0.99
  • Admin member in shared entry$0.99
Show 3 more
  • Shared Notebook$0.99
  • Editor in shared entry$0.99
  • Share you entry to any person$0.99
3 purchases

3by4

Subscriptions3
  • 3by4 Premium Weekly$6.997 Days
  • 3by4 Premium Monthly$12.991 Month
  • 3by4 Premium Yearly7 Days trial$39.991 Year

Questions

Is Simplanum Pro free?
Simplanum Pro costs $1.99, and also offers in-app purchases.
Is 3by4 free?
3by4 is free to download, with in-app purchases available.
Which has better reviews, Simplanum Pro or 3by4?
3by4 is rated higher. Simplanum Pro averages 2.5 out of 5 from 2 ratings, while 3by4 averages 5.0 from 2 ratings.
Do Simplanum Pro or 3by4 have ads?
3by4 shows ads; Simplanum Pro does not.
Which is updated more often, Simplanum Pro or 3by4?
Simplanum Pro ships an update every 2 months, and 3by4 every 3 months. Most recently, Simplanum Pro was updated on November 2, 2026 and 3by4 on October 31, 2026.

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