# النفس الزكية برو vs Shift Unit

The clearest difference is price: Shift Unit at Free against النفس الزكية برو's $9.99. Shift Unit also leads on rating (5.0 vs 4.7). النفس الزكية برو's advantage is ratings volume (2K vs 21) and update cadence (every 10 days vs every 2 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Shift Unit is free to download; النفس الزكية برو costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Shift Unit holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: النفس الزكية برو has 2K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 95% of النفس الزكية برو's written reviews are positive against 100% of Shift Unit's.

النفس الزكية برو ships an update every 10 days, Shift Unit every 2 months. The most recent releases landed on November 13, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | النفس الزكية برو | Shift Unit |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.7 (2K ratings)](https://appshunter.io/ios/app/pureselfpro/id432883320/reviews) | **[5.0 (21 ratings)](https://appshunter.io/ios/app/shift-unit/id1514037983/reviews)** |
| Number of ratings | **2K** | 21 |
| Positive reviews | 95.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 320 MB | 18 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [AlMahdi A.T.F](https://appshunter.io/developer/409021282) | [Didier Burton](https://appshunter.io/developer/1514037982) |

## What reviewers say

### النفس الزكية برو

[App page](https://appshunter.io/ios/app/pureselfpro/id432883320)

This advanced application offers prayer times alongside a suite of Islamic features. It includes event reminders, the ability to share them, a prayer tracker, and tools for calculating religious dues. Users can also access supplications, Hadith, and biographies of the Infallibles.

**Highlights:** Event reminders, Share events via email/SMS, Prayer times, Prayer tracker, Religious dues calculator, Supplication audio downloads, Hadith collection

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

**In-app purchases:** none

**What reviewers like**

- 👍 Comprehensive and well-organized app
- 🙏 Helpful for daily prayers and rituals
- 🌟 Excellent for travelers and emigrants
- 💯 Valuable resource for Shia Muslims
- 🕋 Accurate prayer times and Qibla direction

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- ⏰ Repeated prayer notifications
- 🔊 Missing full Adhan sound
- 🔍 Inaccurate prayer times in some locations
- 🎨 Outdated or unappealing UI design

**Reported bugs**

- Audio playback issues after recent updates
- Incorrect Quran verse display in some cases
- Inconsistent behavior with Hijri calendar events
- Notifications not working properly on some devices

**Requested features**

- Add more reciter options for Quran and Duas
- Integrate Mafatih al-Jinan for comprehensive prayers
- Provide Hajj and Umrah-specific features and duas
- Implement automatic location updates for prayer times
- Add support for Android and other platforms


### Shift Unit

[App page](https://appshunter.io/ios/app/shift-unit/id1514037983)

This utility app offers precise unit and currency conversions with over 1400 units across 34 categories. It supports light/dark modes, home widgets, and an independent Apple Watch app. Features include a custom keypad with calculator mode and educational Wikipedia integration.

**Highlights:** 1400+ conversion units, 34 categories, Light/dark mode support, Home widget, Apple Watch app, Custom keypad with calculator, Wikipedia integration

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

**In-app purchases:** none


## Frequently asked questions

### Is النفس الزكية برو free?

النفس الزكية برو costs $9.99, with no in-app purchases.

### Is Shift Unit free?

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

### Which has better reviews, النفس الزكية برو or Shift Unit?

Shift Unit is rated higher. النفس الزكية برو averages 4.7 out of 5 from 2K ratings, while Shift Unit averages 5.0 from 21 ratings.

### Do النفس الزكية برو or Shift Unit have ads?

Neither النفس الزكية برو nor Shift Unit shows ads.

### Which is updated more often, النفس الزكية برو or Shift Unit?

النفس الزكية برو ships an update every 10 days, and Shift Unit every 2 months. Most recently, النفس الزكية برو was updated on November 13, 2026 and Shift Unit on November 3, 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.*