# Convertible vs Conversion Calculator

The clearest difference is in-app purchases: Convertible at none against Conversion Calculator's 1. Convertible also leads on iOS requirement (8.0 vs 17.0). Conversion Calculator's advantage is review sentiment (100% vs 89%). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Conversion Calculator sells 1 one-off in-app purchase. Convertible asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Convertible against 4.8 for Conversion Calculator. Both are backed by a comparable volume of ratings — 101 and 165 respectively. Written reviews are what separate them: 89% of Convertible's written reviews are positive against 100% of Conversion Calculator's.

Convertible ships an update every 2 months, Conversion Calculator every 5 weeks. Both last shipped on October 23, 2026.

## The numbers

| Metric | Convertible | Conversion Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (101 ratings)](https://appshunter.io/ios/app/convertible-unit-converter/id514233370/reviews) | **[4.8 (165 ratings)](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523/reviews)** |
| Number of ratings | 101 | **165** |
| Positive reviews | 89.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 7 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Efecto Pty Ltd](https://appshunter.io/developer/331691709) | [Collins Cheruiyot](https://appshunter.io/developer/1579009978) |

## What reviewers say

### Convertible

[App page](https://appshunter.io/ios/app/convertible-unit-converter/id514233370)

This app offers a comprehensive unit and currency conversion tool with a visually appealing interface and extensive unit options. It supports standard and non-standard units, compound conversions, and fraction input, making it versatile for various needs.

**Highlights:** Extensive standard and non-standard unit conversions, Currency conversion with 161 currencies, Compound unit conversion, Fraction input and output, Adjustable decimal precision, Elegant interface with themes, iPad split view and Today Extension support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💻 Excellent user interface
- ⚙️ Comprehensive set of conversion units
- 🔍 Intuitive and easy to use
- 🎨 Customizable color themes
- 🕰️ Saves last conversion

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Navigation can be confusing at times
- 🔢 Lack of support for custom units

**Reported bugs**

- Conversion results not always accurate
- Crashes when trying to share conversion results

**Requested features**

- Add support for more measurement categories (e.g. fuel consumption, flow rate)
- Implement a search function to easily find units
- Provide a widget for quick access to conversions
- Add support for more languages


### Conversion Calculator

[App page](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523)

Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.

**Highlights:** Metric and imperial unit conversion, Weight, length, temperature, area, time, Offline functionality, Precise and fast results, Clean and minimal interface, Over 100 measurement types

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access forever | $8.99 | one-time |


## Frequently asked questions

### Is Convertible free?

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

### Is Conversion Calculator free?

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

### Which has better reviews, Convertible or Conversion Calculator?

Conversion Calculator is rated higher. Convertible averages 4.8 out of 5 from 101 ratings, while Conversion Calculator averages 4.8 from 165 ratings.

### Do Convertible or Conversion Calculator have ads?

Neither Convertible nor Conversion Calculator shows ads.

### Which is updated more often, Convertible or Conversion Calculator?

Convertible ships an update every 2 months, and Conversion Calculator every 5 weeks. Most recently, Convertible was updated on October 23, 2026 and Conversion Calculator on October 23, 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.*