# Ultimate Zmanim vs Simple Siddur

The clearest difference is in-app purchases: Simple Siddur at none against Ultimate Zmanim's 1. Simple Siddur also leads on iOS requirement (10.0 vs 15.0). Ultimate Zmanim's advantage is update cadence (every 2 weeks vs every 3 months) and rating (4.3 vs 4.1). On price, ratings volume and ads there is nothing between them.

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

Ultimate Zmanim holds the better App Store score, 4.3 against 4.1. Both are backed by a comparable volume of ratings — 131 and 125 respectively. Written reviews point the same way: 78% of Ultimate Zmanim's written reviews are positive against 67% of Simple Siddur's.

Ultimate Zmanim ships an update every 2 weeks, Simple Siddur every 3 months. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Ultimate Zmanim | Simple Siddur |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (131 ratings)](https://appshunter.io/ios/app/ultimate-zmanim/id452921604/reviews)** | [4.1 (125 ratings)](https://appshunter.io/ios/app/simple-siddur/id792359433/reviews) |
| Number of ratings | **131** | 125 |
| Positive reviews | **77.9% of reviews** | 67.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 7 MB | 15 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Moshe Berman](https://appshunter.io/developer/362306433) | [Ehud Adler](https://appshunter.io/developer/948783510) |

## 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


### Simple Siddur

[App page](https://appshunter.io/ios/app/simple-siddur/id792359433)

This app provides a comprehensive digital siddur with all prayers for various Nusachs, essential blessings, and practical tools like a compass and Zmanim. It also includes information on Minyanim and Mikvah, making it a complete reference for Jewish prayer and observance.

**Highlights:** All prayers for different Nusachs, Essential Brachot, Compass, Zmanim, Minyanim, Mikvah information

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🌟 Packed with features
- 👍 Great for all nusachim
- 👍 Clean text
- 👍 Fluid interface

**What reviewers complain about**

- 🐛 Missing Hallel
- 🐛 Missing Mussaf for Rosh Chodesh
- 🐛 Missing key features
- 🐛 Doesn't let you change Nusach
- 🐛 Not great ease of use

**Reported bugs**

- App crashes or randomly closes
- App resets on reopen
- Invisible prayer issue
- Tehillim bug, can't scroll down
- Words overlap in Shmoneh Esrei

**Requested features**

- Add Hallel
- Add Mussaf for Rosh Chodesh
- Implement a table of contents
- Add ברוך ה׳ אמן ואמן to maariv
- Add Birkat Netilat Yadayim, Asher yatzar and Birkat Hatorah


## Frequently asked questions

### Is Ultimate Zmanim free?

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

### Is Simple Siddur free?

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

### Which has better reviews, Ultimate Zmanim or Simple Siddur?

Ultimate Zmanim is rated higher. Ultimate Zmanim averages 4.3 out of 5 from 131 ratings, while Simple Siddur averages 4.1 from 125 ratings.

### Do Ultimate Zmanim or Simple Siddur have ads?

Neither Ultimate Zmanim nor Simple Siddur shows ads.

### Which is updated more often, Ultimate Zmanim or Simple Siddur?

Ultimate Zmanim ships an update every 2 weeks, and Simple Siddur every 3 months. Most recently, Ultimate Zmanim was updated on October 21, 2026 and Simple Siddur on October 23, 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.*