# Unit and Value Converter vs Smart Notes App

The clearest difference is ads: Smart Notes App at none against Unit and Value Converter's shown. Unit and Value Converter's advantage is update cadence (every 9 days vs every 7 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Unit and Value Converter ships an update every 9 days, Smart Notes App every 7 months. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Unit and Value Converter | Smart Notes App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (24 ratings)](https://appshunter.io/ios/app/unit-and-value-converter/id1590208205/reviews)** | — |
| Number of ratings | **24** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 7 months |
| Monetization | Ad-supported | — |
| Size | 32 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matheus Estoque](https://appshunter.io/developer/1589462723) | [Smartai Soft Ltd](https://appshunter.io/developer/1794299781) |

## What reviewers say

### Unit and Value Converter

[App page](https://appshunter.io/ios/app/unit-and-value-converter/id1590208205)

Easily convert between various measurement systems for everyday tasks. This app offers fast, accurate conversions for speed, weight, and distance, with a history of your calculations. It's a simple, lightweight tool for travelers, students, and anyone needing to understand different units.

**Highlights:** Converts speed, weight, and distance, Intuitive interface, History of recent calculations, Automatic result updates, Lightweight and simple

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Notes App

[App page](https://appshunter.io/ios/app/smart-notes-app/id6745878182)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit and Value Converter free?

Unit and Value Converter is free to download, with no in-app purchases.

### Is Smart Notes App free?

Smart Notes App is free to download, with no in-app purchases.

### Do Unit and Value Converter or Smart Notes App have ads?

Unit and Value Converter shows ads; Smart Notes App does not.

### Which is updated more often, Unit and Value Converter or Smart Notes App?

Unit and Value Converter ships an update every 9 days, and Smart Notes App every 7 months. Most recently, Unit and Value Converter was updated on June 1, 2026 and Smart Notes App on September 9, 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.*