# COR Kosher vs WatchSiddur

The clearest difference is rating: COR Kosher at 5.0 against WatchSiddur's 4.2. WatchSiddur's advantage is update cadence (every 2 weeks vs every 4 months) and ratings volume (13 vs 2). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COR Kosher holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: WatchSiddur has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

COR Kosher ships an update every 4 months, WatchSiddur every 2 weeks. The most recent releases landed on October 3, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | COR Kosher | WatchSiddur |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cor-kosher/id1358168142/reviews)** | [4.2 (13 ratings)](https://appshunter.io/ios/app/watchsiddur/id1544008707/reviews) |
| Number of ratings | 2 | **13** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 16 MB | 2 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Kashruth Council of Canada](https://appshunter.io/developer/1552463184) | [Alan Steinfeld](https://appshunter.io/developer/1541540631) |

## What reviewers say

### COR Kosher

[App page](https://appshunter.io/ios/app/cor-kosher/id1358168142)

Access up-to-date information on Kosher practices and frequently asked questions. This official guide helps users quickly reference details about all things Kosher.

**Highlights:** Up-to-date Kosher information, Frequently asked questions, Quick reference guide, Official Kashruth Council app

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

**In-app purchases:** none


### WatchSiddur

[App page](https://appshunter.io/ios/app/watchsiddur/id1544008707)

Access a comprehensive collection of daily prayers and services directly on your wrist. Navigate through various tefillot, including Shacharit, Mincha, Ma'ariv, and special occasion prayers. This app offers a simple and easy-to-read interface for your spiritual needs.

**Highlights:** Daily prayer compilation, Easy-to-read interface, Navigate various tefillot, Includes special occasion prayers, Wearable device optimized

**In-app purchases:** none


## Frequently asked questions

### Is COR Kosher free?

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

### Is WatchSiddur free?

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

### Which has better reviews, COR Kosher or WatchSiddur?

COR Kosher is rated higher. COR Kosher averages 5.0 out of 5 from 2 ratings, while WatchSiddur averages 4.2 from 13 ratings.

### Do COR Kosher or WatchSiddur have ads?

Neither COR Kosher nor WatchSiddur shows ads.

### Which is updated more often, COR Kosher or WatchSiddur?

COR Kosher ships an update every 4 months, and WatchSiddur every 2 weeks. Most recently, COR Kosher was updated on October 3, 2026 and WatchSiddur on October 24, 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.*