# Calculator XLt vs CONVERT UNITS

The clearest difference is ads: Calculator XLt at none against CONVERT UNITS's shown. CONVERT UNITS's advantage is update cadence (weekly vs every 2 months) and monetization model (ad-supported vs free with in-app purchases). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Calculator XLt sells 1 one-off in-app purchase and CONVERT UNITS sells 2 in-app purchases, starting at $0.99 per month. 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 Calculator XLt against 4.7 for CONVERT UNITS. Both are backed by a comparable volume of ratings — 573 and 1.4K respectively. Written reviews are what separate them: 80% of Calculator XLt's written reviews are positive against 76% of CONVERT UNITS's.

Calculator XLt ships an update every 2 months, CONVERT UNITS weekly. Both last shipped on October 20, 2026.

## The numbers

| Metric | Calculator XLt | CONVERT UNITS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (573 ratings)](https://appshunter.io/ios/app/calculator-xlt/id475788406/reviews)** | [4.7 (1.4K ratings)](https://appshunter.io/ios/app/convert-units/id1114969241/reviews) |
| Number of ratings | 573 | **1.4K** |
| Positive reviews | **80.2% of reviews** | 75.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 11 MB | 22 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gero Mazza](https://appshunter.io/developer/435402554) | [Adysseus](https://appshunter.io/developer/447444997) |

## What reviewers say

### Calculator XLt

[App page](https://appshunter.io/ios/app/calculator-xlt/id475788406)

This app combines five essential calculation tools into one convenient package. It offers standard, scientific, unit conversion, loan, and tip calculators with a user-friendly interface and large buttons. Available on multiple Apple devices, it streamlines everyday calculations.

**Highlights:** Standard Calculator, Scientific Calculator, Unit Converter, Loan Calculator, Tip Calculator, Calculation History, Widgets

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculator XL Full Version | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient and fast
- 🔒 No ads
- 💡 Useful features like tip and loan calculators
- 👍 Large, clear buttons

**What reviewers complain about**

- 🐛 Crashes or not working on newer iOS versions
- 🐛 Some functions not available in free version
- 🐛 Inaccurate calculations in certain cases
- 🔒 Paid version not worth the upgrade

**Reported bugs**

- Crashes on iPhone XR
- Inaccurate calculations for 0.3 - 0.4
- Free version lacks many advertised features

**Requested features**

- Add support for Bluetooth keyboard
- Include more scientific functions
- Improve conversion options
- Provide a dark mode option


### CONVERT UNITS

[App page](https://appshunter.io/ios/app/convert-units/id1114969241)

Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.

**Highlights:** Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency, Automatic currency updates, 160 currencies available, Multitasking enabled for iPad, Alphabetical quick links for units, Customizable startup categories, Adjustable accuracy and rounding

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | per month |
| Remove ads | $19.99 | one-time |

**What reviewers like**

- 👍 Quick & easy to use
- 👍 Ease of use
- 👍 Simple and easy to use
- 👍 Well thought out and easy to use
- 👍 Excellent and very reliable

**What reviewers complain about**

- 🐛 Ads obstruct use
- 🐛 Subscription required to remove ads
- 🐛 Currency conversion not working

**Reported bugs**

- App got stuck, required uninstall/reinstall to fix
- Navigation issues, unable to get back to home page

**Requested features**

- Option to convert between functions (length to volume)
- Remember last conversion settings for each category


## Frequently asked questions

### Is Calculator XLt free?

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

### Is CONVERT UNITS free?

CONVERT UNITS is free to download, with in-app purchases available.

### Which has better reviews, Calculator XLt or CONVERT UNITS?

Calculator XLt is rated higher. Calculator XLt averages 4.7 out of 5 from 573 ratings, while CONVERT UNITS averages 4.7 from 1.4K ratings.

### Do Calculator XLt or CONVERT UNITS have ads?

CONVERT UNITS shows ads; Calculator XLt does not.

### Which is updated more often, Calculator XLt or CONVERT UNITS?

Calculator XLt ships an update every 2 months, and CONVERT UNITS weekly. Most recently, Calculator XLt was updated on October 20, 2026 and CONVERT UNITS on October 20, 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.*