# Convert vs Ipsen I

The clearest difference is in-app purchases: Ipsen I at none against Convert's 2. Ipsen I also leads on ads (none vs shown). Convert's advantage is iOS requirement (12.0 vs 14.5). On price, update cadence and device support there is nothing between them.

Both are free to download. Convert sells 2 in-app purchases, starting at $0.99 per 6 months. Ipsen I asks for nothing beyond the download.

Convert ships an update every 3 months, Ipsen I every 2 months. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Convert | Ipsen I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (126 ratings)](https://appshunter.io/ios/app/convert-unit-and-currency/id884044389/reviews)** | — |
| Number of ratings | **126** | — |
| Positive reviews | 69.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Freemium | — |
| Size | 39 MB | 74 MB |
| Requires iOS | **12.0** | 14.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raphael Odermatt](https://appshunter.io/developer/403027529) | [RSE Informationstechnologie GmbH](https://appshunter.io/developer/1642337354) |

## What reviewers say

### Convert

[App page](https://appshunter.io/ios/app/convert-unit-and-currency/id884044389)

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:** Unit conversion for 398 units, Currency conversion with daily rates, Integrated calculator, Apple Watch support, History charts for currencies, Copy & Paste functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Features | $0.99 | per 6 months |
| Advanced Features | $1.99 | one-time |


### Ipsen I

[App page](https://appshunter.io/ios/app/ipsen-i-mo/id6454901410)

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

**In-app purchases:** none


## Frequently asked questions

### Is Convert free?

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

### Is Ipsen I free?

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

### Do Convert or Ipsen I have ads?

Convert shows ads; Ipsen I does not.

### Which is updated more often, Convert or Ipsen I?

Convert ships an update every 3 months, and Ipsen I every 2 months. Most recently, Convert was updated on October 20, 2026 and Ipsen I on October 25, 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.*