# Lock Screen Calendar vs Matrix Manager

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.

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.

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.

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.

## The numbers

| Metric | Lock Screen Calendar | Matrix Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (18 ratings)](https://appshunter.io/ios/app/lock-screen-calendar-coretask/id6478839577/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/matrix-manager-task-manager/id6739463021/reviews) |
| Number of ratings | **18** | 2 |
| Positive reviews | **87.9% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 81 MB | 48 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gridus Co.](https://appshunter.io/developer/1636121761) | [Simon Grimm](https://appshunter.io/developer/951019328) |

## What reviewers say

### Lock Screen Calendar

[App page](https://appshunter.io/ios/app/lock-screen-calendar-coretask/id6478839577)

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:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Monthly Plan | $4.49 | per month |
| Weekly Plan | $4.49 | per 7 days |
| Annual Plan | $29.99 | per year |
| Lifetime Plan | $29.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Matrix Manager

[App page](https://appshunter.io/ios/app/matrix-manager-task-manager/id6739463021)

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:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Matrix Manager PRO (1 Month) | $2.99 | per month |
| Matrix Manager PRO (1 Year) | $14.99 | per year |
| PRO Lifetime | $19.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*