# Art Clock vs On The Lock

The clearest difference is ads: Art Clock at none against On The Lock's shown. Art Clock also leads on review sentiment (100% vs 75%) and iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Art Clock sells 1 one-off in-app purchase and On The Lock sells 5 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Art Clock ships an update every 2 days, On The Lock every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Art Clock | On The Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/on-the-lock-lock-screen-memo/id6760257027/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 110 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [振山 董](https://appshunter.io/developer/1226504908) | [JayApp](https://appshunter.io/developer/1871818325) |

## What reviewers say

### Art Clock

[App page](https://appshunter.io/ios/app/art-clock-flip-clock-widgets/id1576153298)

Customize your device with a variety of digital and analog clock faces, including flip, dot matrix, and retro LCD styles. Add matching widgets to your home screen and utilize full-screen display with adjustable brightness. Includes calendar views and countdowns.

**Highlights:** 24 clock face styles, Full-screen display, Home screen widgets, Calendar and countdowns, Customizable colors and settings, Portrait and landscape modes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Art Clock PRO | $2.99 | one-time |


### On The Lock

[App page](https://appshunter.io/ios/app/on-the-lock-lock-screen-memo/id6760257027)

This app allows you to display a single, important note, to-do list, or photo directly on your device's Lock Screen. It offers customization options for text, layout, and background, with features like reminders and iCloud backup.

**Highlights:** Lock Screen memo display, To-do list integration, Photo display on Lock Screen, Customizable layouts and appearance, Reminders and D-day tracking, iCloud backup, Home and Lock Screen widgets

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium | $14.99 | per year |
| Lifetime Premium (Discount) | $12.99 | one-time |
| Lifetime Premium | $19.99 | one-time |
| Lifetime Premium | $34.99 | one-time |


## Frequently asked questions

### Is Art Clock free?

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

### Is On The Lock free?

On The Lock is free to download, with in-app purchases available.

### Do Art Clock or On The Lock have ads?

On The Lock shows ads; Art Clock does not.

### Which is updated more often, Art Clock or On The Lock?

Art Clock ships an update every 2 days, and On The Lock every 4 days. Most recently, Art Clock was updated on November 5, 2026 and On The Lock 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.*