# Mendeleev's Periodic Table vs Unit Converter

The clearest difference is price: Unit Converter at Free against Mendeleev's Periodic Table's $0.99. Unit Converter also leads on device support. Mendeleev's Periodic Table's advantage is in-app purchases (none vs 10) and iOS requirement (15.6 vs 17.0).

Unit Converter is free to download; Mendeleev's Periodic Table costs $0.99 up front. Unit Converter sells 10 in-app purchases, starting at $0.99 per 7 days. Mendeleev's Periodic Table asks for nothing beyond the download.

## The numbers

| Metric | Mendeleev's Periodic Table | Unit Converter |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (9 ratings)](https://appshunter.io/ios/app/unit-converter-science-tools/id1557454960/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 19 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ABCOM](https://appshunter.io/developer/327443601) | [Eugene Kugut](https://appshunter.io/developer/1557454962) |

## What reviewers say

### Mendeleev's Periodic Table

[App page](https://appshunter.io/ios/app/mendeleevs-periodic-table/id371088901)

**In-app purchases:** none


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-science-tools/id1557454960)

This app offers over 30 unit converters for science, engineering, and everyday use. It features advanced options like adjustable rounding, smart search, and calculation history, with customizable themes and an iPad-optimized interface.

**Highlights:** Over 30 unit converters, Adjustable rounding, Smart search by name or units, Copy/paste values, Swap units with one button, Calculation history, Customizable themes

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium access | $0.99 | per 7 days |
| Premium access | $0.99 | per month |
| Premium access | $1.99 | per 7 days |
| Premium access | $1.99 | per month |
| Premium access | $2.99 | per month |
| Premium access | $8.99 | per year |
| Premium access | $9.99 | per year |
| Premium access | $17.99 | per year |
| Premium access | $19.99 | per year |
| Premium access | $44.99 | one-time |


## Frequently asked questions

### Is Mendeleev's Periodic Table free?

Mendeleev's Periodic Table costs $0.99, with no in-app purchases.

### Is Unit Converter free?

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

---

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