# 123 Calendar vs Lock Screen Memo

The clearest difference is update cadence: Lock Screen Memo at monthly against 123 Calendar's every 7 months. 123 Calendar's advantage is review sentiment (63% vs 50%) and iOS requirement (8.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 123 Calendar sells 1 one-off in-app purchase and Lock Screen Memo sells 2 in-app purchases, starting at $3.69 per month. Whichever you choose, the download price is not the number that matters.

123 Calendar ships an update every 7 months, Lock Screen Memo monthly. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 123 Calendar | Lock Screen Memo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (13 ratings)](https://appshunter.io/ios/app/123-calendar/id1141207598/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | **62.5% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 33 MB | 343 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jormy Games](https://appshunter.io/developer/301040524) | [BOOGIOS_STUDIO](https://appshunter.io/developer/1707135670) |

## What reviewers say

### 123 Calendar

[App page](https://appshunter.io/ios/app/123-calendar/id1141207598)

This simple calendar app displays your entire week's events in a single view with three zoom levels. Easily manage events, assign custom colors, and create filters to highlight specific entries. It offers a streamlined way to organize your schedule without intrusive ads.

**Highlights:** Weekly event view, Three zoom levels, Custom event colors, Keyword-based filters, Event grouping and hiding, Simple event management

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Upgrade | $9.99 | one-time |


### Lock Screen Memo

[App page](https://appshunter.io/ios/app/lock-screen-memo-note-widget/id6789650710)

Display a personalized note directly on your Lock Screen with customizable text, colors, fonts, and even photos. Keep important reminders, affirmations, or checklists visible at a glance without opening any apps. Your data remains private on your device.

**Highlights:** Lock Screen widget for notes, Customizable text, color, and font, Add photos to memos, 70+ designs and fonts, Private and device-based storage, Apple Shortcut integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.69 | per month |
| Pro Yearly | $31.49 | per year |


## Frequently asked questions

### Is 123 Calendar free?

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

### Is Lock Screen Memo free?

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

### Do 123 Calendar or Lock Screen Memo have ads?

Neither 123 Calendar nor Lock Screen Memo shows ads.

### Which is updated more often, 123 Calendar or Lock Screen Memo?

123 Calendar ships an update every 7 months, and Lock Screen Memo monthly. Most recently, 123 Calendar was updated on October 14, 2026 and Lock Screen Memo on October 17, 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.*