# SignalClock Lite vs Secret Text

The clearest difference is in-app purchases: SignalClock Lite at none against Secret Text's 2. SignalClock Lite also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Secret Text sells 2 in-app purchases, starting at $3.99 per month. SignalClock Lite asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SignalClock Lite | Secret Text |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Monetization | Free | — |
| Size | 28 MB | 4 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Masafumi Endoh](https://appshunter.io/developer/757354996) | [建忠 黎](https://appshunter.io/developer/1877957285) |

## 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


### Secret Text

[App page](https://appshunter.io/ios/app/secret-text-encrypt-message/id6759517129)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SecretText Premium | $3.99 | per month |
| SecretText Premium | $24.99 | per year |


## Frequently asked questions

### Is SignalClock Lite free?

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

### Is Secret Text free?

Secret Text is free to download, with in-app purchases available.

### Do SignalClock Lite or Secret Text have ads?

Neither SignalClock Lite nor Secret Text shows ads.

### Which is updated more often, SignalClock Lite or Secret Text?

SignalClock Lite ships an update every 7 months, and Secret Text every 7 months. Most recently, SignalClock Lite was updated on November 1, 2026 and Secret Text 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.*