# SignalClock Lite vs OLED Clock

The clearest difference is review sentiment: OLED Clock at 79% against SignalClock Lite's 0%. OLED Clock also leads on update cadence (every 4 weeks vs every 7 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SignalClock Lite ships an update every 7 months, OLED Clock every 4 weeks. The most recent releases landed on September 9, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SignalClock Lite | OLED Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.9 (15 ratings)](https://appshunter.io/ios/app/oled-clock/id1364541962/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | 0.0% of reviews | **78.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 28 MB | 10 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Masafumi Endoh](https://appshunter.io/developer/757354996) | [Christian Moeller](https://appshunter.io/developer/1364541961) |

## What reviewers say

### SignalClock Lite

[App page](https://appshunter.io/ios/app/signalclock-lite/id908918011)

This utility app displays a digital clock with a time signal function using local notifications. It offers multiple sound sets and font options. The free version has limitations on scheduling time signals to half-hour intervals.

**Highlights:** Local notification time signals, Multiple sound sets, iOS 10 font support, Half-hour signal scheduling (free edition), Digital clock display

**Features:** macOS Compatibility

**In-app purchases:** none


### OLED Clock

[App page](https://appshunter.io/ios/app/oled-clock/id1364541962)

This app displays a dynamic clock designed to prevent OLED screen burn-in by constantly moving and changing colors. It offers customizable digital and analog views with various fonts, sizes, and animation speeds.

**Highlights:** OLED burn-in prevention, Animated clock movement, Color cycling, Digital and analog views, Customizable fonts and size, Adjustable animation speed

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

**In-app purchases:** none


## Frequently asked questions

### Is SignalClock Lite free?

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

### Is OLED Clock free?

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

### Do SignalClock Lite or OLED Clock have ads?

Neither SignalClock Lite nor OLED Clock shows ads.

### Which is updated more often, SignalClock Lite or OLED Clock?

SignalClock Lite ships an update every 7 months, and OLED Clock every 4 weeks. Most recently, SignalClock Lite was updated on September 9, 2026 and OLED Clock on September 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.*