# Converter (unit conversions) vs Conversion Calculator Units

The clearest difference is ads: Converter (unit conversions) at none against Conversion Calculator Units's shown. Converter (unit conversions) also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.0 vs 15.0). Conversion Calculator Units's advantage is review sentiment (82% vs 56%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Converter (unit conversions) sells 1 in-app purchase, starting at $0.99 per year and Conversion Calculator Units sells 1 one-off in-app purchase. 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 Converter (unit conversions) against 4.7 for Conversion Calculator Units. Both are backed by a comparable volume of ratings — 1.9K and 5K respectively. Written reviews are what separate them: 56% of Converter (unit conversions)'s written reviews are positive against 82% of Conversion Calculator Units's.

Converter (unit conversions) ships an update every 3 weeks, Conversion Calculator Units every 2 months. The most recent releases landed on October 8, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Converter (unit conversions) | Conversion Calculator Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.9K ratings)](https://appshunter.io/ios/app/converter-unit-conversions/id285986066/reviews) | [4.7 (5K ratings)](https://appshunter.io/ios/app/conversion-calculator-units/id727632233/reviews) |
| Number of ratings | 1.9K | **5K** |
| Positive reviews | 56.3% of reviews | **82.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 41 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brent Royal-Gordon](https://appshunter.io/developer/285986069) | [RV AppStudios LLC](https://appshunter.io/developer/340181308) |

## What reviewers say

### Converter (unit conversions)

[App page](https://appshunter.io/ios/app/converter-unit-conversions/id285986066)

Easily convert between 76 measurement units across eight common types, including length, weight, temperature, and volume. Features a built-in calculator and optional currency conversion with daily exchange rate updates.

**Highlights:** 76 measurement units, 8 common unit types, Built-in four-function calculator, Optional currency conversion, Daily exchange rate updates, Large, clear displays

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Latest Exchange Rates | $0.99 | per year |

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Functional and versatile
- 👍 Clean and uncluttered interface
- 👍 Helpful for everyday conversions

**What reviewers complain about**

- 🐛 Currency rates not updating
- 🐛 App crashes or malfunctions
- 🔒 Subscription required for currency conversion
- 🚫 No longer supported or updated

**Reported bugs**

- Currency rates not updating for months
- App crashes on launch or during use
- Incompatible with recent iOS updates

**Requested features**

- Add more conversion types (e.g., pressure, power)
- Allow custom unit conversions
- Improve handling of imperial units (feet/inches, pounds/ounces)
- Provide option to manually update currency rates


### Conversion Calculator Units

[App page](https://appshunter.io/ios/app/conversion-calculator-units/id727632233)

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

**Highlights:** Converts over 140 units, Supports 12 conversion categories, Customizable themes, Drag and set unit positions, Add units to favorites, Share converted units via email

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |

**What reviewers like**

- 👍 User-friendly
- 🚀 Easy to use
- 💡 Helpful for learning metric system
- 👍 Great for conversions
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Ads disrupt usage
- 🐛 Difficult to change units
- 🐛 Lacks portrait mode
- 🐛 Upside-down orientation issues
- 🐛 Cluttered UI design

**Reported bugs**

- Ads not removed after purchase
- Incorrect unit conversions

**Requested features**

- Add pressure conversion units
- Include a basic calculator function
- Implement multi-language support
- Allow customization of unit order


## Frequently asked questions

### Is Converter (unit conversions) free?

Converter (unit conversions) is free to download, with in-app purchases available.

### Is Conversion Calculator Units free?

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

### Which has better reviews, Converter (unit conversions) or Conversion Calculator Units?

Converter (unit conversions) and Conversion Calculator Units are both rated 4.7 out of 5 on the App Store, from 1.9K and 5K ratings respectively.

### Do Converter (unit conversions) or Conversion Calculator Units have ads?

Conversion Calculator Units shows ads; Converter (unit conversions) does not.

### Which is updated more often, Converter (unit conversions) or Conversion Calculator Units?

Converter (unit conversions) ships an update every 3 weeks, and Conversion Calculator Units every 2 months. Most recently, Converter (unit conversions) was updated on October 8, 2026 and Conversion Calculator Units 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.*