# Unit Converter Watch vs Cuspart

The clearest difference is price: Cuspart at Free against Unit Converter Watch's $1.99. Cuspart also leads on update cadence (every 2 months vs every 38 months). Unit Converter Watch's advantage is in-app purchases (none vs 9) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Cuspart is free to download; Unit Converter Watch costs $1.99 up front. Cuspart sells 9 in-app purchases, starting at $1.99 per month. Unit Converter Watch asks for nothing beyond the download.

Unit Converter Watch ships an update every 38 months, Cuspart every 2 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Unit Converter Watch | Cuspart |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/unit-converter-watch/id6446907181/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 2 MB | 13 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Portumnus](https://appshunter.io/developer/328439229) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### Unit Converter Watch

[App page](https://appshunter.io/ios/app/unit-converter-watch/id6446907181)

This watch application facilitates unit conversions for various measurements including length, temperature, weight, volume, area, and speed. Navigate through different conversion types by swiping and easily select units or input values for quick calculations directly on your wrist.

**Highlights:** Converts length, temperature, weight, volume, area, and speed, Designed for Apple Watch convenience, Swipe navigation between conversion types, Easy unit selection and value input, Simple and intuitive interface

**Features:** Apple Watch app

**In-app purchases:** none


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-qr/id6472592199)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cuspart: QR | $1.99 | per month |
| Cuspart: QR | $5.99 | per 3 months |
| Cuspart: QR | $14.99 | per year |
| Espresso | $0.99 | one-time |
| Flat White | $1.99 | one-time |
| Caffè Americano | $2.99 | one-time |
| Caffè Mocha | $3.99 | one-time |
| Classic Hot Chocolate | $3.99 | one-time |
| Special Hot Chocolate | $3.99 | one-time |


## Frequently asked questions

### Is Unit Converter Watch free?

Unit Converter Watch costs $1.99, with no in-app purchases.

### Is Cuspart free?

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

### Do Unit Converter Watch or Cuspart have ads?

Cuspart shows ads; Unit Converter Watch does not.

### Which is updated more often, Unit Converter Watch or Cuspart?

Unit Converter Watch ships an update every 38 months, and Cuspart every 2 months. Most recently, Unit Converter Watch was updated on October 27, 2026 and Cuspart 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.*