# Dreyfus DataSafe vs Siddur Pro

The clearest difference is rating: Siddur Pro at 5.0 against Dreyfus DataSafe's 1.0. Siddur Pro also leads on ads (none vs shown) and update cadence (every 10 days vs every 9 months). Dreyfus DataSafe's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price 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.

Siddur Pro holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Siddur Pro has 8 ratings behind it against 1, so its average is the more settled of the two.

Dreyfus DataSafe ships an update every 9 months, Siddur Pro every 10 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Dreyfus DataSafe | Siddur Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/dreyfus-datasafe/id1377544936/reviews) | **[5.0 (8 ratings)](https://appshunter.io/ios/app/siddur-pro/id6747907754/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 10 days** |
| Monetization | Ad-supported | **Free** |
| Size | 401 MB | 18 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dreyfus Söhne & Cie AG](https://appshunter.io/developer/1377544935) | [Samuel Cohen](https://appshunter.io/developer/1823315554) |

## What reviewers say

### Dreyfus DataSafe

[App page](https://appshunter.io/ios/app/dreyfus-datasafe/id1377544936)

This application is exclusively for clients of Dreyfus Sons & Co Ltd, Banquiers. It provides secure access to client-specific information and services.

**Highlights:** Client-exclusive access, Secure information portal, Services for Dreyfus clients

**In-app purchases:** none


### Siddur Pro

[App page](https://appshunter.io/ios/app/siddur-pro/id6747907754)

This app offers a comprehensive digital siddur experience, featuring daily prayers, customizable zmanim, and a daily learning dashboard. It includes tools for holidays and special observances, with smart notifications to keep users on track.

**Highlights:** Automatic daily prayer adaptation, Location-aware zmanim, Daily learning dashboard, Holiday and seasonal tools, 40-day Nishmas tracker, Smart notifications, Intuitive home screen customization

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

**In-app purchases:** none


## Frequently asked questions

### Is Dreyfus DataSafe free?

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

### Is Siddur Pro free?

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

### Which has better reviews, Dreyfus DataSafe or Siddur Pro?

Siddur Pro is rated higher. Dreyfus DataSafe averages 1.0 out of 5 from 1 ratings, while Siddur Pro averages 5.0 from 8 ratings.

### Do Dreyfus DataSafe or Siddur Pro have ads?

Dreyfus DataSafe shows ads; Siddur Pro does not.

### Which is updated more often, Dreyfus DataSafe or Siddur Pro?

Dreyfus DataSafe ships an update every 9 months, and Siddur Pro every 10 days. Most recently, Dreyfus DataSafe was updated on October 4, 2026 and Siddur Pro on October 6, 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.*