# Units Plus Converter vs CX

The clearest difference is review sentiment: Units Plus Converter at 91% against CX's 36%. Units Plus Converter also leads on rating (4.9 vs 3.7) and monetization model (free vs paid). CX's advantage is chart position (#81 vs unranked). On price, ads, in-app purchases and device support there is nothing between them.

Units Plus Converter costs $19.99 and CX $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Units Plus Converter holds the better App Store score, 4.9 against 3.7. That said, the two scores are not equally well evidenced: Units Plus Converter has 8.4K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 91% of Units Plus Converter's written reviews are positive against 36% of CX's.

Units Plus Converter ships an update every 5 weeks, CX every 8 months. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Units Plus Converter | CX |
| --- | --- | --- |
| Price | $19.99 | $19.99 |
| Rating | **[4.9 (8.4K ratings)](https://appshunter.io/ios/app/units-plus-converter/id593306620/reviews)** | [3.7 (11 ratings)](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895/reviews) |
| Number of ratings | **8.4K** | 11 |
| Positive reviews | **91.0% of reviews** | 35.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#81** |
| Size | 7 MB | 3 MB |
| Requires iOS | **8.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alan Mrvica](https://appshunter.io/developer/593306623) | [ASA](https://appshunter.io/developer/334278379) |

## What reviewers say

### Units Plus Converter

[App page](https://appshunter.io/ios/app/units-plus-converter/id593306620)

Easily convert between various units and currencies with a simple, intuitive interface. Features live currency updates for 155 world currencies, refreshed every 15 minutes. Optimized for a wide range of Apple devices, including iPads with Split View support.

**Highlights:** Unit conversion across 12 categories, Live currency updates for 155 currencies, Optimized for iPhone and iPad, iPad Split View support, Data-computer data conversion, Fuel-mileage conversion

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient and reliable
- 💰 Worth the purchase
- 🌍 Helpful for travel and international use
- 📊 Comprehensive range of conversions

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔢 Limited unit options in some categories
- 🔍 Unintuitive interface for certain conversions
- 💰 Overpriced for the features offered

**Reported bugs**

- Decimal input not working
- Currency conversion not updating properly
- App crashing on certain devices

**Requested features**

- Add feet and inches conversion option
- Include kilojoules to calories conversion
- Improve currency conversion accuracy
- Add time zone conversion feature
- Provide more advanced unit options (e.g. torque, density)


### CX

[App page](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895)

**Currently charting:** #81 Top Paid · Utilities (US App Store)

This aviation tool simplifies flight planning for pilots. It offers accurate calculations for time, speed, distance, fuel, and more, along with unit conversions and a built-in calculator. Designed for ease of use, it guides users through flight planning and execution with a natural menu flow.

**Highlights:** Flight planning calculations, Time, speed, distance functions, Fuel and altitude calculations, Unit conversions (12 categories), Weight and balance calculations, Holding pattern details, Built-in calculator, clock, timer

**In-app purchases:** none


## Frequently asked questions

### Is Units Plus Converter free?

Units Plus Converter costs $19.99, with no in-app purchases.

### Is CX free?

CX costs $19.99, with no in-app purchases.

### Which has better reviews, Units Plus Converter or CX?

Units Plus Converter is rated higher. Units Plus Converter averages 4.9 out of 5 from 8.4K ratings, while CX averages 3.7 from 11 ratings.

### Do Units Plus Converter or CX have ads?

Neither Units Plus Converter nor CX shows ads.

### Which is updated more often, Units Plus Converter or CX?

Units Plus Converter ships an update every 5 weeks, and CX every 8 months. Most recently, Units Plus Converter was updated on October 16, 2026 and CX on October 13, 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.*