# Unit Ⅽonverter vs DrawNote

The clearest difference is in-app purchases: DrawNote at none against Unit Ⅽonverter's 2. DrawNote also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Unit Ⅽonverter sells 2 in-app purchases, starting at $1.99 per month. DrawNote asks for nothing beyond the download.

Unit Ⅽonverter ships an update every 3 weeks, DrawNote weekly. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Unit Ⅽonverter | DrawNote |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 79 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Polymath Company Limited](https://appshunter.io/developer/1072350394) | [FATIMA-ZAHRAE ED.DAHRAOUI](https://appshunter.io/developer/6807390315) |

## What reviewers say

### Unit Ⅽonverter

[App page](https://appshunter.io/ios/app/unit-onverter/id1499479393)

Easily convert between over 1600 units of measurement across 75 categories, including custom units and complex calculations. Supports offline mode and offers a convenient history of your conversions.

**Highlights:** Convert over 1600 units in 75 categories, Supports custom units and combinations, Calculator for expression input, View conversion histories, Add favorite units, Offline mode, Copy and share results

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnitConverterPremiumMonthly | $1.99 | per month |
| UnitConverterPremiumLifeTime | $33.99 | one-time |


### DrawNote

[App page](https://appshunter.io/ios/app/drawnote-drawing-notepad-memo/id6814012292)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Ⅽonverter free?

Unit Ⅽonverter is free to download, with in-app purchases available.

### Is DrawNote free?

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

### Do Unit Ⅽonverter or DrawNote have ads?

Both Unit Ⅽonverter and DrawNote show ads.

### Which is updated more often, Unit Ⅽonverter or DrawNote?

Unit Ⅽonverter ships an update every 3 weeks, and DrawNote weekly. Most recently, Unit Ⅽonverter was updated on November 3, 2026 and DrawNote on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*