# SignalClock Lite vs E

SignalClock Lite and E are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, E every 10 months. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SignalClock Lite | E |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 10 months |
| Monetization | Free | — |
| Size | 28 MB | 185 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Masafumi Endoh](https://appshunter.io/developer/757354996) | [NEWMAN FIREPLACES LTD](https://appshunter.io/developer/1639876015) |

## 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


### E

[App page](https://appshunter.io/ios/app/e-ferno/id1639876013)

**In-app purchases:** none


## Frequently asked questions

### Is SignalClock Lite free?

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

### Is E free?

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

### Do SignalClock Lite or E have ads?

Neither SignalClock Lite nor E shows ads.

### Which is updated more often, SignalClock Lite or E?

SignalClock Lite ships an update every 7 months, and E every 10 months. Most recently, SignalClock Lite was updated on October 13, 2026 and E on October 25, 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.*