# Shabbat Alarm Clock vs ZoneFlow

The clearest difference is device support: Shabbat Alarm Clock at 3 against ZoneFlow's 1. Shabbat Alarm Clock also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Shabbat Alarm Clock sells 4 one-off in-app purchases and ZoneFlow sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Shabbat Alarm Clock ships an update every 4 days, ZoneFlow every 3 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Shabbat Alarm Clock | ZoneFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (473 ratings)](https://appshunter.io/ios/app/shabbat-alarm-clock/id1485334479/reviews)** | — |
| Number of ratings | **473** | — |
| Positive reviews | 90.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 162 MB | 19 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Gerber](https://appshunter.io/developer/1485334478) | [Benji Mandel](https://appshunter.io/developer/1520446400) |

## What reviewers say

### Shabbat Alarm Clock

[App page](https://appshunter.io/ios/app/shabbat-alarm-clock/id1485334479)

Schedule alarms to wake up for services and avoid missing shul. Customize ringtones with your own recordings or select from various sounds. Test notifications to ensure proper setup.

**Highlights:** Schedule alarms for Shabbat and Yom Tov, Record custom ringtones, Choose from various sound options, Test notification functionality, Repeat alarms (paid feature), Ad removal (paid feature)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the Developer | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Enable Repeating Alarms | $2.99 | one-time |
| Remove Ads + Repeating Alarms | $4.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Reliable and dependable
- 🕰️ Helpful for Shabbat/holiday observance
- 💡 Unique features like record-your-own alarm
- 🕰️ Automatically turns off alarm after set time

**What reviewers complain about**

- 🐛 New update has poor interface and usability
- 🤖 Ads and in-app purchases
- 🔇 Alarms can be too quiet for some users

**Reported bugs**

- Alarms ringing without any set
- App not working at all for some users

**Requested features**

- Recurring/weekly alarm scheduling
- Ability to bypass silent mode
- More alarm sound options
- Improved visual design


### ZoneFlow

[App page](https://appshunter.io/ios/app/zoneflow-auto-timezone/id6777122376)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZoneFlow Pro Monthly | $2.99 | per month |
| ZoneFlow Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is Shabbat Alarm Clock free?

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

### Is ZoneFlow free?

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

### Do Shabbat Alarm Clock or ZoneFlow have ads?

Both Shabbat Alarm Clock and ZoneFlow show ads.

### Which is updated more often, Shabbat Alarm Clock or ZoneFlow?

Shabbat Alarm Clock ships an update every 4 days, and ZoneFlow every 3 days. Most recently, Shabbat Alarm Clock was updated on October 26, 2026 and ZoneFlow on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*