# Ultimate Zmanim vs SiddurApp

The clearest difference is in-app purchases: SiddurApp at none against Ultimate Zmanim's 1. SiddurApp also leads on review sentiment (87% vs 78%). Ultimate Zmanim's advantage is ratings volume (131 vs 29) and device support (5 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Ultimate Zmanim sells 1 one-off in-app purchase. SiddurApp asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Ultimate Zmanim against 4.2 for SiddurApp. Both are backed by a comparable volume of ratings — 131 and 29 respectively. Written reviews are what separate them: 78% of Ultimate Zmanim's written reviews are positive against 87% of SiddurApp's.

Ultimate Zmanim ships an update every 2 weeks, SiddurApp every 3 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Ultimate Zmanim | SiddurApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (131 ratings)](https://appshunter.io/ios/app/ultimate-zmanim/id452921604/reviews)** | [4.2 (29 ratings)](https://appshunter.io/ios/app/siddurapp/id566960126/reviews) |
| Number of ratings | **131** | 29 |
| Positive reviews | 77.9% of reviews | **87.1% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 7 MB | 26 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Moshe Berman](https://appshunter.io/developer/362306433) | [Omer Lev](https://appshunter.io/developer/566960309) |

## What reviewers say

### Ultimate Zmanim

[App page](https://appshunter.io/ios/app/ultimate-zmanim/id452921604)

This app provides accurate Jewish calendar times, including Shabbat candle lighting, holidays, and daily prayer times, with customizable reminders and offline functionality. It offers a user-friendly interface with timeline navigation and Apple Watch integration for convenient access to important halachic times.

**Highlights:** GPS-based zmanim calculations, Shabbat candle lighting times, Holiday and weekly parashah information, Daf Yomi tracking, Customizable daily reminders, Apple Watch companion app, Offline functionality

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pack | $2.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🌟 Accurate Zmanim calculations
- 🌍 Global Zmanim data
- ✨ Clean and intuitive interface
- 🎨 Customizable options

**What reviewers complain about**

- 🐛 App crashes/doesn't open
- 🐛 Location issues
- 🐛 Watch app/complications not working
- 🐛 Incorrect Zmanim times
- 🐛 Updates breaking the app

**Reported bugs**

- App keeps alerting with LA time instead of current location
- White screen when opening app on iPad
- App will no longer open on iPad
- Update broke the app
- Winter time displayed after upgrade

**Requested features**

- Mizrach compass
- Apple Watch face complication to display custom Zmanim
- Customization to carry over to watch app
- Daf Yomi (Yerushalmi) option
- Hebrew date in the widget


### SiddurApp

[App page](https://appshunter.io/ios/app/siddurapp/id566960126)

This app provides a digital Jewish prayer book for iOS devices, featuring a "Smart" panel that displays relevant prayers based on the time of day and location. It also offers a prayer direction compass and customizable prayer time displays.

**Highlights:** Smart prayer selection by time of day, Location-based prayer times, Prayer direction compass (Qibla), Customizable prayer displays, Access to specific prayers like Birkat Ha'mazon, Adjustable interface language (Hebrew)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ultimate Zmanim free?

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

### Is SiddurApp free?

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

### Which has better reviews, Ultimate Zmanim or SiddurApp?

Ultimate Zmanim is rated higher. Ultimate Zmanim averages 4.3 out of 5 from 131 ratings, while SiddurApp averages 4.2 from 29 ratings.

### Do Ultimate Zmanim or SiddurApp have ads?

Neither Ultimate Zmanim nor SiddurApp shows ads.

### Which is updated more often, Ultimate Zmanim or SiddurApp?

Ultimate Zmanim ships an update every 2 weeks, and SiddurApp every 3 weeks. Most recently, Ultimate Zmanim was updated on October 12, 2026 and SiddurApp on October 14, 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.*