# Conversion Calculator vs UniHRWeb

The clearest difference is in-app purchases: UniHRWeb at none against Conversion Calculator's 1. Conversion Calculator's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Conversion Calculator sells 1 one-off in-app purchase. UniHRWeb asks for nothing beyond the download.

Conversion Calculator ships an update every 5 weeks, UniHRWeb every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Conversion Calculator | UniHRWeb |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (165 ratings)](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523/reviews)** | — |
| Number of ratings | **165** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 286 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Collins Cheruiyot](https://appshunter.io/developer/1579009978) | [Sert Guro](https://appshunter.io/developer/1614152168) |

## What reviewers say

### Conversion Calculator

[App page](https://appshunter.io/ios/app/conversion-calculator-metric/id6468678523)

Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.

**Highlights:** Metric and imperial unit conversion, Weight, length, temperature, area, time, Offline functionality, Precise and fast results, Clean and minimal interface, Over 100 measurement types

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access forever | $8.99 | one-time |


### UniHRWeb

[App page](https://appshunter.io/ios/app/unihrweb/id6746104106)

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

**In-app purchases:** none


## Frequently asked questions

### Is Conversion Calculator free?

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

### Is UniHRWeb free?

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

### Do Conversion Calculator or UniHRWeb have ads?

Neither Conversion Calculator nor UniHRWeb shows ads.

### Which is updated more often, Conversion Calculator or UniHRWeb?

Conversion Calculator ships an update every 5 weeks, and UniHRWeb every 3 weeks. Most recently, Conversion Calculator was updated on October 23, 2026 and UniHRWeb on October 24, 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.*