# Shift Unit vs Nad

The clearest difference is rating: Shift Unit at 5.0 against Nad's 4.2. Shift Unit also leads on ratings volume (21 vs 6). Nad's advantage is update cadence (weekly vs every 2 months). 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.

Shift Unit holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 21 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Shift Unit ships an update every 2 months, Nad weekly. The most recent releases landed on September 6, 2026 and August 3, 2026 respectively.

## The numbers

| Metric | Shift Unit | Nad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (21 ratings)](https://appshunter.io/ios/app/shift-unit/id1514037983/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/nad/id6661016989/reviews) |
| Number of ratings | **21** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 20 MB | 6 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Didier Burton](https://appshunter.io/developer/1514037982) | [Guillaume Coquard](https://appshunter.io/developer/1714101533) |

## What reviewers say

### 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


### Nad

[App page](https://appshunter.io/ios/app/nad/id6661016989)

Enhance your browsing with a powerful ad blocker for Safari. Enjoy a cleaner, faster, and more private online experience across all your Apple devices. It seamlessly integrates with Safari to remove unwanted ads and trackers.

**Highlights:** Cross-platform support, Enhanced privacy, Faster browsing, Seamless Safari integration, Utilizes Eyed-Blocklist

**Features:** Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is Shift Unit free?

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

### Is Nad free?

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

### Which has better reviews, Shift Unit or Nad?

Shift Unit is rated higher. Shift Unit averages 5.0 out of 5 from 21 ratings, while Nad averages 4.2 from 6 ratings.

### Do Shift Unit or Nad have ads?

Neither Shift Unit nor Nad shows ads.

### Which is updated more often, Shift Unit or Nad?

Shift Unit ships an update every 2 months, and Nad weekly. Most recently, Shift Unit was updated on September 6, 2026 and Nad on August 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.*