# Units+ vs Conversion Calculator Plus

The clearest difference is update cadence: Conversion Calculator Plus at every 2 days against Units+'s every 5 months. Conversion Calculator Plus also leads on ratings volume (15K vs 375). Units+'s advantage is review sentiment (85% vs 70%) and iOS requirement (15.5 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Units+ sells 2 one-off in-app purchases and Conversion Calculator Plus sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Units+ against 4.7 for Conversion Calculator Plus. That said, the two scores are not equally well evidenced: Conversion Calculator Plus has 15K ratings behind it against 375, so its average is the more settled of the two. Written reviews are what separate them: 85% of Units+'s written reviews are positive against 70% of Conversion Calculator Plus's.

Units+ ships an update every 5 months, Conversion Calculator Plus every 2 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Units+ | Conversion Calculator Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (375 ratings)](https://appshunter.io/ios/app/units-plus/id687296545/reviews)** | [4.7 (15K ratings)](https://appshunter.io/ios/app/conversion-calculator-plus/id1113920724/reviews) |
| Number of ratings | 375 | **15K** |
| Positive reviews | **85.0% of reviews** | 69.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 4 MB | 59 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hebaallah Hossameldien](https://appshunter.io/developer/1632619093) | [Adysseus](https://appshunter.io/developer/447444997) |

## What reviewers say

### Units+

[App page](https://appshunter.io/ios/app/units-plus/id687296545)

Easily convert between over 260 measurement units across 22 categories and get real-time currency exchange rates for more than 160 currencies. Quickly find units or bookmark frequent conversions for efficient use.

**Highlights:** 260+ measurement units, 22 unit categories, 160+ currencies, Real-time exchange rates, Unit search, Bookmarking conversions

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro Features | Free | one-time |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 👍 Reliable tool
- 👍 Versatile converter
- 👍 Great for various conversions (mass, temps, currency, distances)
- 👍 Does what it needs to do

**What reviewers complain about**

- 😠 Too many ads
- 😠 Ads without an X to close
- 😠 Negative sentiment towards the app's creator/provider (implied by one review)
- 😐 Fuel economy display issues (mpg/liters to 100)
- 😐 Some discrepancy in currency accuracy noted

**Reported bugs**

- Ads don't have an X to close

**Requested features**

- Add a Notification Center widget
- Way to mark favorite types of conversions


### 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


## Frequently asked questions

### Is Units+ free?

Units+ is free to download, with in-app purchases available.

### Is Conversion Calculator Plus free?

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

### Which has better reviews, Units+ or Conversion Calculator Plus?

Units+ is rated higher. Units+ averages 4.7 out of 5 from 375 ratings, while Conversion Calculator Plus averages 4.7 from 15K ratings.

### Do Units+ or Conversion Calculator Plus have ads?

Both Units+ and Conversion Calculator Plus show ads.

### Which is updated more often, Units+ or Conversion Calculator Plus?

Units+ ships an update every 5 months, and Conversion Calculator Plus every 2 days. Most recently, Units+ was updated on November 1, 2026 and Conversion Calculator Plus 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.*