# Conversion Calculator Plus vs NEI Assist

The clearest difference is in-app purchases: NEI Assist at none against Conversion Calculator Plus's 1. NEI Assist also leads on ads (none vs shown) and rating (5.0 vs 4.7). Conversion Calculator Plus's advantage is update cadence (every 2 days vs every 10 days) and ratings volume (15K vs 1). On price and device support there is nothing between them.

Both are free to download. Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year. NEI Assist asks for nothing beyond the download.

NEI Assist holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Conversion Calculator Plus has 15K ratings behind it against 1, so its average is the more settled of the two.

Conversion Calculator Plus ships an update every 2 days, NEI Assist every 10 days. The most recent releases landed on October 28, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Conversion Calculator Plus | NEI Assist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (15K ratings)](https://appshunter.io/ios/app/conversion-calculator-plus/id1113920724/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nei-assist/id6756181600/reviews)** |
| Number of ratings | **15K** | 1 |
| Positive reviews | 69.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 59 MB | 18 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adysseus](https://appshunter.io/developer/447444997) | [safak sari](https://appshunter.io/developer/1834034098) |

## What reviewers say

### Conversion Calculator Plus

[App page](https://appshunter.io/ios/app/conversion-calculator-plus/id1113920724)

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

**Highlights:** Unit and currency conversion, Supports 160+ currencies (real & crypto), Automatic currency exchange rate updates, Simple or carousel design options, Dark Mode support, Customizable home screen layout, Split screen mode on iPad

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads For One Year | $9.99 | per year |

**What reviewers like**

- 🚀 Great app
- 👍 Easy to use
- 🚀 Comprehensive conversions
- 👍 Intuitive interface
- 🚀 Useful tool

**What reviewers complain about**

- 🐛 Consent required for tracking
- 🐛 Update problems
- 🐛 Currency not updating
- 🔒 Forced to allow tracking
- 🔒 Forced to subscribe or view ads

**Reported bugs**

- Currency conversion not working
- App gets stuck on consent page
- Unable to get past ads/subscription page

**Requested features**

- Add running pace conversions
- Add shoe size converter
- Provide paid ad-free version


### NEI Assist

[App page](https://appshunter.io/ios/app/nei-assist/id6756181600)

This app streamlines field service operations for smart home and commercial automation. It allows customers to create and track service tickets, technicians to manage work orders and document work, and managers to oversee operations and performance.

**Highlights:** Service ticket creation and tracking, Work order management for technicians, Real-time operational oversight for managers, Photo documentation and digital signatures, Offline capability with automatic sync, Integrated GPS navigation, Professional PDF service reports

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

**In-app purchases:** none


## Frequently asked questions

### Is Conversion Calculator Plus free?

Conversion Calculator Plus is free to download, with in-app purchases available.

### Is NEI Assist free?

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

### Which has better reviews, Conversion Calculator Plus or NEI Assist?

NEI Assist is rated higher. Conversion Calculator Plus averages 4.7 out of 5 from 15K ratings, while NEI Assist averages 5.0 from 1 ratings.

### Do Conversion Calculator Plus or NEI Assist have ads?

Conversion Calculator Plus shows ads; NEI Assist does not.

### Which is updated more often, Conversion Calculator Plus or NEI Assist?

Conversion Calculator Plus ships an update every 2 days, and NEI Assist every 10 days. Most recently, Conversion Calculator Plus was updated on October 28, 2026 and NEI Assist on October 22, 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.*