# OU Kosher vs Tefillin

The clearest difference is rating: Tefillin at 4.8 against OU Kosher's 4.1. Tefillin also leads on update cadence (every 5 days vs every 2 months) and review sentiment (86% vs 68%). On price, ads, in-app purchases and device support there is nothing between them.

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

Tefillin holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Tefillin has 102 ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 68% of OU Kosher's written reviews are positive against 86% of Tefillin's.

OU Kosher ships an update every 2 months, Tefillin every 5 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | OU Kosher | Tefillin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (15 ratings)](https://appshunter.io/ios/app/ou-kosher/id491138771/reviews) | **[4.8 (102 ratings)](https://appshunter.io/ios/app/tefillin/id6751624822/reviews)** |
| Number of ratings | 15 | **102** |
| Positive reviews | 68.4% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Ad-supported | **Free** |
| Size | 56 MB | 123 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Orthodox Union](https://appshunter.io/developer/428817065) | [GET STUFF DONE LLC](https://appshunter.io/developer/1835628217) |

## What reviewers say

### OU Kosher

[App page](https://appshunter.io/ios/app/ou-kosher/id491138771)

Easily search for OU Kosher certified products, including those for Passover. Get alerts on new certifications and access a hotline for kosher questions. This app provides direct access to Orthodox Union product information and resources.

**Highlights:** Product certification search, Kosher for Passover products, Product alerts, Newly certified products, Kosher question hotline, Direct access to Orthodox Union information

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

**In-app purchases:** none


### Tefillin

[App page](https://appshunter.io/ios/app/tefillin/id6751624822)

This app provides gentle, reliable reminders for putting on Tefillin, based on accurate, location-based halachic times. It simplifies building a consistent Tefillin routine with customizable notifications and flexible settings, even working offline.

**Highlights:** Smart Tefillin reminders, Accurate location-based zmanim, Customizable reminder timing, Offline functionality, Clean, distraction-free interface, Automatic location updates, Multiple halachic opinion options

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is OU Kosher free?

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

### Is Tefillin free?

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

### Which has better reviews, OU Kosher or Tefillin?

Tefillin is rated higher. OU Kosher averages 4.1 out of 5 from 15 ratings, while Tefillin averages 4.8 from 102 ratings.

### Do OU Kosher or Tefillin have ads?

Neither OU Kosher nor Tefillin shows ads.

### Which is updated more often, OU Kosher or Tefillin?

OU Kosher ships an update every 2 months, and Tefillin every 5 days. Most recently, OU Kosher was updated on October 23, 2026 and Tefillin 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.*