# iConvert vs Request Kalender

The clearest difference is price: Request Kalender at Free against iConvert's $2.99. Request Kalender also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 months). iConvert's advantage is iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Request Kalender is free to download; iConvert costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iConvert ships an update every 3 months, Request Kalender every 3 days. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | iConvert | Request Kalender |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.9 (348 ratings)](https://appshunter.io/ios/app/iconvert-unit-and-currency/id408263181/reviews)** | — |
| Number of ratings | **348** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raphael Odermatt](https://appshunter.io/developer/403027529) | [Lukas Kessler](https://appshunter.io/developer/6792858520) |

## What reviewers say

### iConvert

[App page](https://appshunter.io/ios/app/iconvert-unit-and-currency/id408263181)

Easily convert hundreds of physical units and dimensions with this powerful tool. It also includes a currency converter with daily updated exchange rates for over 130 countries, and is available on Apple Watch.

**Highlights:** Hundreds of units in 17 categories, Daily updated currency exchange rates, Apple Watch app for on-the-go conversions, Integrated calculator, Intuitive user interface, Ad-free experience

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

**In-app purchases:** none

**What reviewers like**

- 👍 Extremely easy to use and intuitive interface
- 🌍 Comprehensive conversion options across many categories
- 💱 Automatic currency exchange rate updates
- ⚡ Fast and responsive performance
- 🔧 Highly customizable unit selection

**What reviewers complain about**

- 🔤 Font size too small in scrolling wheels
- 📐 Limited screen space for viewing multiple units
- 🔄 No landscape/portrait rotation support
- ⏳ Currency conversion launches by default with download wait time
- 🎛️ Difficult to customize and rearrange tool positions

**Reported bugs**

- Startup error that kills the app
- App does not rotate from portrait to landscape
- Minor conversion inaccuracy (US gallon to teaspoons off by 0.168)
- Wasted screen space restricting visible units

**Requested features**

- Number system conversions (binary, decimal, hexadecimal, etc.)
- Built-in calculator for adding/subtracting values
- Keyboard input option instead of touchscreen only
- iOS 8 widgets support
- Additional pressure units (KPa, kg/cm², mmHg to cm/H2O)


### Request Kalender

[App page](https://appshunter.io/ios/app/request-kalender/id6792858518)

**Features:** macOS Compatibility, Safari Extension

**In-app purchases:** none


## Frequently asked questions

### Is iConvert free?

iConvert costs $2.99, with no in-app purchases.

### Is Request Kalender free?

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

### Do iConvert or Request Kalender have ads?

iConvert shows ads; Request Kalender does not.

### Which is updated more often, iConvert or Request Kalender?

iConvert ships an update every 3 months, and Request Kalender every 3 days. Most recently, iConvert was updated on September 27, 2026 and Request Kalender on September 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.*