# Unit Converter vs WristBuddy

The clearest difference is in-app purchases: Unit Converter at none against WristBuddy's 1. WristBuddy's advantage is update cadence (every 4 days vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WristBuddy sells 1 one-off in-app purchase. Unit Converter asks for nothing beyond the download.

Unit Converter ships an update every 9 months, WristBuddy every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Unit Converter | WristBuddy |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod, Mac | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [Mario Longhi](https://appshunter.io/developer/1896779085) |

## What reviewers say

### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-barconvert/id1518931403)

Easily convert measurements across various categories including area, currency, length, and temperature. This utility app provides quick and accurate conversions using the latest data for currencies.

**Highlights:** Area conversion, Currency conversion with latest data, Length conversion, Temperature conversion, Time conversion, Volume conversion, Weight conversion

**Features:** Vision Pro support

**In-app purchases:** none


### WristBuddy

[App page](https://appshunter.io/ios/app/wristbuddy/id6771383109)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WristBuddy | $2.99 | one-time |


## Frequently asked questions

### Is Unit Converter free?

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

### Is WristBuddy free?

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

### Do Unit Converter or WristBuddy have ads?

Neither Unit Converter nor WristBuddy shows ads.

### Which is updated more often, Unit Converter or WristBuddy?

Unit Converter ships an update every 9 months, and WristBuddy every 4 days. Most recently, Unit Converter was updated on November 3, 2026 and WristBuddy on November 5, 2026.

---

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