# Lock Screen Calendar vs AtTrack

The clearest difference is update cadence: Lock Screen Calendar at every 5 days against AtTrack's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Lock Screen Calendar sells 7 in-app purchases, starting at $4.49 per month and AtTrack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Lock Screen Calendar ships an update every 5 days, AtTrack every 5 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lock Screen Calendar | AtTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (19 ratings)](https://appshunter.io/ios/app/lock-screen-calendar-coretask/id6478839577/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 88.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 1 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gridus Co.](https://appshunter.io/developer/1636121761) | [Kouki Toyoda](https://appshunter.io/developer/6785835166) |

## 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 (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.49 | per month |
| Weekly Plan | $4.49 | per 7 days |
| Monthly Plan | $5.99 | per month |
| Annual Plan | $29.99 | per year |
| Annual Plan | $39.99 | per year |
| Lifetime Plan | $29.99 | one-time |
| Lifetime Plan | $59.99 | one-time |


### AtTrack

[App page](https://appshunter.io/ios/app/attrack/id6785835164)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip the Developer | $0.99 | one-time |


## Frequently asked questions

### Is Lock Screen Calendar free?

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

### Is AtTrack free?

AtTrack is free to download, with in-app purchases available.

### Do Lock Screen Calendar or AtTrack have ads?

Neither Lock Screen Calendar nor AtTrack shows ads.

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

Lock Screen Calendar ships an update every 5 days, and AtTrack every 5 weeks. Most recently, Lock Screen Calendar was updated on November 4, 2026 and AtTrack on October 31, 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.*