# Unit Converter | Converter4U vs GoNotes+

The clearest difference is in-app purchases: Unit Converter | Converter4U at none against GoNotes+'s 1. Unit Converter | Converter4U also leads on ads (none vs shown) and iOS requirement (9.0 vs 18.4). GoNotes+'s advantage is update cadence (daily vs every 4 months). On price and device support there is nothing between them.

Both are free to download. GoNotes+ sells 1 in-app purchase, starting at $0.99 per month. Unit Converter | Converter4U asks for nothing beyond the download.

Unit Converter | Converter4U ships an update every 4 months, GoNotes+ daily. The most recent releases landed on August 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Unit Converter | Converter4U | GoNotes+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (194 ratings)](https://appshunter.io/ios/app/unit-converter-converter4u/id620969788/reviews)** | — |
| Number of ratings | **194** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 51 MB | 33 MB |
| Requires iOS | **9.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [Ranadheer Challa](https://appshunter.io/developer/1863893696) |

## What reviewers say

### Unit Converter | Converter4U

[App page](https://appshunter.io/ios/app/unit-converter-converter4u/id620969788)

This app provides a powerful and intuitive way to convert between a wide range of units, including length, weight, temperature, and more. It offers simultaneous conversion of multiple units and customizable options for a personalized experience. Get instant, accurate results for all your conversion needs.

**Highlights:** Simultaneous multi-unit conversion, Customizable unit options, Copy converted values to clipboard, Supports numerous measurement categories, Intuitive and user-friendly interface

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

**In-app purchases:** none


### GoNotes+

[App page](https://appshunter.io/ios/app/gonotes-plus/id6757117702)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GoNotes Pro | $0.99 | per month |


## Frequently asked questions

### Is Unit Converter | Converter4U free?

Unit Converter | Converter4U is free to download, with no in-app purchases.

### Is GoNotes+ free?

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

### Do Unit Converter | Converter4U or GoNotes+ have ads?

GoNotes+ shows ads; Unit Converter | Converter4U does not.

### Which is updated more often, Unit Converter | Converter4U or GoNotes+?

Unit Converter | Converter4U ships an update every 4 months, and GoNotes+ daily. Most recently, Unit Converter | Converter4U was updated on August 14, 2026 and GoNotes+ on September 18, 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.*