# ListWatch vs Unit Conversion Calculator $

The clearest difference is in-app purchases: Unit Conversion Calculator $ at none against ListWatch's 1. Unit Conversion Calculator $ also leads on iOS requirement (13.0 vs 17.0). ListWatch's advantage is ads (none vs shown) and update cadence (every 2 months vs every 9 months). On price and device support there is nothing between them.

Both are free to download. ListWatch sells 1 in-app purchase, starting at $0.99 per month. Unit Conversion Calculator $ asks for nothing beyond the download.

ListWatch ships an update every 2 months, Unit Conversion Calculator $ every 9 months. The most recent releases landed on November 3, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | ListWatch | Unit Conversion Calculator $ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/unit-conversion-calculator/id6742060456/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Subscription | **Ad-supported** |
| Size | 23 MB | 28 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ynose apps](https://appshunter.io/developer/466314922) | [JanoGroup LLC](https://appshunter.io/developer/1781461557) |

## What reviewers say

### ListWatch

[App page](https://appshunter.io/ios/app/listwatch/id1610646567)

Create and manage to-do lists directly from your iPhone and access them on your Apple Watch. Easily shop from lists generated from emails, with features like auto-categorization and photo association.

**Highlights:** Easy list creation via text input, Auto categorization by keyword, Associate photos with lists, Check lists on Apple Watch, Syncs with iPhone

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ListWatch subscription | $0.99 | per month |


### Unit Conversion Calculator $

[App page](https://appshunter.io/ios/app/unit-conversion-calculator/id6742060456)

This app offers a comprehensive suite of tools for converting measurements across 14 categories and performing currency exchanges with live rates. It features historical comparisons, favorites, and sharing capabilities, making it useful for various daily tasks.

**Highlights:** 14 measurement conversion categories, Live currency exchange rates, Historical currency rate comparisons, Save favorite conversions, Offline measurement conversions, Metric and imperial units, Light, dark, and system appearance options

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

**In-app purchases:** none


## Frequently asked questions

### Is ListWatch free?

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

### Is Unit Conversion Calculator $ free?

Unit Conversion Calculator $ is free to download, with no in-app purchases.

### Do ListWatch or Unit Conversion Calculator $ have ads?

Unit Conversion Calculator $ shows ads; ListWatch does not.

### Which is updated more often, ListWatch or Unit Conversion Calculator $?

ListWatch ships an update every 2 months, and Unit Conversion Calculator $ every 9 months. Most recently, ListWatch was updated on November 3, 2026 and Unit Conversion Calculator $ on November 14, 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.*