Comparison

Lock Screen Calendar vs Matrix Manager

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

Head to head
About

Lock Screen Calendar

This app helps you manage your time and overcome procrastination by organizing tasks based on importance and urgency. It offers a focus timer to help you complete tasks efficiently and reduce stress.

Highlights
  • Priority setting by importance and urgency
  • Step-by-step task organization
  • Time allocation for tasks
  • Focus timer for task completion
  • Stress reduction and productivity boost
Features
Read full description

[Say Goodbye to Procrastination] The Eisenhower Matrix is a proven way to manage your time and beat procrastination. Sort your tasks by importance and urgency, focus on what matters first, and stop feeling overwhelmed. [Key Features] - Set priorities: Organize tasks by importance and urgency. - Manage your time: Fit tasks into your day and handle them efficiently. - Focus Timer: Stay focused and finish tasks within set sessions. - Everywhere: Home and Lock Screen widgets, synced across iPhone, iPad, and Mac. Many users say it helped them reduce stress and boost their productivity. Make your day clearer with CoreTask. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Matrix Manager

Organize your life and tasks using the Eisenhower Matrix system. Effortlessly prioritize your to-do list by sorting tasks into four quadrants: urgent/important, important/not urgent, urgent/not important, and not urgent/not important. Achieve stress-free productivity and focus on what truly matters.

Highlights
  • Eisenhower Matrix prioritization
  • Task sorting into four quadrants
  • Combined to-do list and task manager
  • Intuitive and clean interface
  • Stress-free productivity tool
Features
Read full description

Matrix Manager: Organize Your Life with the Eisenhower Matrix Take control of your time and tasks with Matrix Manager, the ultimate tool based on the proven Eisenhower Matrix system. Say goodbye to overwhelming to-do lists and hello to effortless prioritization! Whether you’re managing work projects, personal goals, or daily errands, Matrix Manager is your go-to app for stress-free productivity. Why Choose Matrix Manager? Simple, Clear Prioritization Easily sort tasks into four quadrants: • Urgent & Important: Tackle right away. • Important, Not Urgent: Plan ahead. • Urgent, Not Important: Delegate or address quickly. • Not Urgent, Not Important: Skip and focus on what matters. Task Manager Meets To-Do List Enjoy the flexibility of a to-do list paired with the power of a structured task manager. Beautiful, Intuitive Design Clean and user-friendly interface designed to keep you focused and productive. Who Is Matrix Manager For? • Professionals juggling deadlines and meetings • Students managing assignments and exams • Parents keeping track of family schedules • Anyone looking for clarity and focus in their daily tasks Why the Eisenhower Matrix? The Eisenhower Matrix is a time-tested productivity method designed to help you focus on what truly matters. By categorizing tasks by urgency and importance, you’ll make better decisions, avoid procrastination, and achieve your goals faster. Download Matrix Manager today and experience the power of organized living. Prioritize smarter, achieve faster! Terms of Use: https://galaxies.dev/matrix-manager/tos Privacy Policy: https://galaxies.dev/matrix-manager/privacy

Screenshots

Lock Screen Calendar4 screens
Matrix Manager4 screens

Verdict

The call

Lock Screen Calendar and Matrix Manager both sit at 5.0 stars, but that hides the real split: 88% of Lock Screen Calendar's written reviews are positive against 33% of Matrix Manager's. Lock Screen Calendar also leads on ratings volume (18 vs 2) and update cadence (every 3 days vs every 6 days). Matrix Manager's advantage is iOS requirement (15.1 vs 18.0). On price, rating, ads and in-app purchases 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. Lock Screen Calendar sells 6 in-app purchases, starting at $1.99 per month and Matrix Manager sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Lock Screen Calendar against 5.0 for Matrix Manager. That said, the two scores are not equally well evidenced: Lock Screen Calendar has 18 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 88% of Lock Screen Calendar's written reviews are positive against 33% of Matrix Manager's.

UpkeepUpdate frequency

Lock Screen Calendar ships an update every 3 days, Matrix Manager every 6 days. The most recent releases landed on September 24, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 6 level
Lock Screen Calendar versus Matrix Manager: the parameters behind the verdict, then further details
ParameterLock Screen CalendarMatrix Manager
PriceFreeFree
Rating5.0 (18 ratings)5.0 (2 ratings)
Positive reviews87.9% of reviews — better33.3% of reviews
Number of ratings18 — better2
Update frequencyEvery 3 days — betterEvery 6 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size81 MB48 MB
Age rating4+4+
DeveloperGridus Co.Simon Grimm

Customer experience

Lock Screen Calendar

All ratings18 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews91 reviews
Positive87.9%
Neutral9.9%
Negative2.2%

Matrix Manager

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

6 purchases

Lock Screen Calendar

Subscriptions4
  • Monthly Plan$1.991 Month
  • Monthly Plan$4.491 Month
  • Weekly Plan$4.497 Days
Show 1 more
  • Annual Plan$29.991 Year
One-time2
  • Lifetime Plan$29.99
  • Lifetime Access$39.99
3 purchases

Matrix Manager

Subscriptions2
  • Matrix Manager PRO (1 Month)$2.991 Month
  • Matrix Manager PRO (1 Year)7 Days trial$14.991 Year
One-time1
  • PRO Lifetime$19.99

Questions

Is Lock Screen Calendar free?
Lock Screen Calendar is free to download, with in-app purchases available.
Is Matrix Manager free?
Matrix Manager is free to download, with in-app purchases available.
Which has better reviews, Lock Screen Calendar or Matrix Manager?
Lock Screen Calendar and Matrix Manager are both rated 5.0 out of 5 on the App Store, from 18 and 2 ratings respectively.
Do Lock Screen Calendar or Matrix Manager have ads?
Neither Lock Screen Calendar nor Matrix Manager shows ads.
Which is updated more often, Lock Screen Calendar or Matrix Manager?
Lock Screen Calendar ships an update every 3 days, and Matrix Manager every 6 days. Most recently, Lock Screen Calendar was updated on September 24, 2026 and Matrix Manager on September 9, 2026.

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