# Memento Mori vs LockCal

The clearest difference is price: LockCal at Free against Memento Mori's $0.99. LockCal also leads on update cadence (monthly vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

LockCal is free to download; Memento Mori costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Memento Mori ships an update every 6 months, LockCal monthly. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Memento Mori | LockCal |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Size | 1 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Li](https://appshunter.io/developer/1602450113) | [Vladimir Popov](https://appshunter.io/developer/6791445377) |

## What reviewers say

### Memento Mori

[App page](https://appshunter.io/ios/app/memento-mori-time-left-widget/id6761890914)

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

**In-app purchases:** none


### LockCal

[App page](https://appshunter.io/ios/app/lockcal/id6794340782)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memento Mori free?

Memento Mori costs $0.99, with no in-app purchases.

### Is LockCal free?

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

### Do Memento Mori or LockCal have ads?

Neither Memento Mori nor LockCal shows ads.

### Which is updated more often, Memento Mori or LockCal?

Memento Mori ships an update every 6 months, and LockCal monthly. Most recently, Memento Mori was updated on October 24, 2026 and LockCal on October 20, 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.*