# Shabbos Clock vs ADS Smart

The clearest difference is price: ADS Smart at Free against Shabbos Clock's $0.99. ADS Smart also leads on update cadence (fortnightly vs every 4 months) and iOS requirement (13.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

ADS Smart is free to download; Shabbos Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shabbos Clock ships an update every 4 months, ADS Smart fortnightly. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Shabbos Clock | ADS Smart |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.4 (21 ratings)](https://appshunter.io/ios/app/shabbos-clock/id302172998/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 30.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 89 MB | 61 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RustyBrick, Inc.](https://appshunter.io/developer/286478370) | [Tanmay Saraph](https://appshunter.io/developer/1848871390) |

## What reviewers say

### Shabbos Clock

[App page](https://appshunter.io/ios/app/shabbos-clock/id302172998)

This app provides a solution for observant Jews who wish to use their smartphone during Shabbat. It offers customizable alarms that adhere to religious guidelines, including automatic shut-off and no snooze function. The app also allows alarms to be set based on local sunrise and sunset times.

**Highlights:** Unlimited alarm options, Automatic alarm shut-off, No snooze button, Repeatable weekly alarms, Alarms based on sunrise/sunset offsets, Full iOS11 and iPhone X support

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

**In-app purchases:** none


### ADS Smart

[App page](https://appshunter.io/ios/app/ads-smart/id6754560220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shabbos Clock free?

Shabbos Clock costs $0.99, with no in-app purchases.

### Is ADS Smart free?

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

### Do Shabbos Clock or ADS Smart have ads?

Neither Shabbos Clock nor ADS Smart shows ads.

### Which is updated more often, Shabbos Clock or ADS Smart?

Shabbos Clock ships an update every 4 months, and ADS Smart fortnightly. Most recently, Shabbos Clock was updated on October 16, 2026 and ADS Smart on October 10, 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.*