# Lock Screen Calendar vs Cori App

The clearest difference is in-app purchases: Cori App at none against Lock Screen Calendar's 6. Cori App also leads on iOS requirement (15.1 vs 18.0). Lock Screen Calendar's advantage is update cadence (every 3 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Lock Screen Calendar sells 6 in-app purchases, starting at $1.99 per month. Cori App asks for nothing beyond the download.

Lock Screen Calendar ships an update every 3 days, Cori App every 5 weeks. The most recent releases landed on September 24, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Lock Screen Calendar | Cori App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (18 ratings)](https://appshunter.io/ios/app/lock-screen-calendar-coretask/id6478839577/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 87.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 56 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) | [VOLKENO SARL](https://appshunter.io/developer/1660624995) |

## 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 |


### Cori App

[App page](https://appshunter.io/ios/app/cori-app/id6755154063)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lock Screen Calendar free?

Lock Screen Calendar is free to download, with in-app purchases available.

### Is Cori App free?

Cori App is free to download, with no in-app purchases.

### Do Lock Screen Calendar or Cori App have ads?

Neither Lock Screen Calendar nor Cori App shows ads.

### Which is updated more often, Lock Screen Calendar or Cori App?

Lock Screen Calendar ships an update every 3 days, and Cori App every 5 weeks. Most recently, Lock Screen Calendar was updated on September 24, 2026 and Cori App on September 16, 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.*