# interChem vs PizzaPriceCalculator

The clearest difference is update cadence: interChem at every 3 weeks against PizzaPriceCalculator's every 3 months. PizzaPriceCalculator's advantage is ratings volume (3 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for interChem against 5.0 for PizzaPriceCalculator. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

interChem ships an update every 3 weeks, PizzaPriceCalculator every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | interChem | PizzaPriceCalculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/interchem/id1549651849/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/pizzapricecalculator/id6740404604/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 1 MB | 4 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [interfinity Limited](https://appshunter.io/developer/1774724445) | [Joshua Smith](https://appshunter.io/developer/1786835996) |

## What reviewers say

### interChem

[App page](https://appshunter.io/ios/app/interchem/id1549651849)

Calculate atomic and molecular masses, element percentages, and view a periodic table. Features dynamic font sizing and Split View support for iPad.

**Highlights:** Atomic and molecular mass calculation, Element percentage calculation, Periodic table with element classification, Dynamic font size support, Split View and drag-and-drop for iPad

**In-app purchases:** none


### PizzaPriceCalculator

[App page](https://appshunter.io/ios/app/pizzapricecalculator/id6740404604)

Easily compare pizza prices by calculating the cost per square inch. Supports both circular and rectangular pizzas, helping you find the best value across different stores and pizza types.

**Highlights:** Calculate cost per square inch, Supports circular pizzas, Supports rectangular pizzas, Compare different pizza stores, Compare different pizza types

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is interChem free?

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

### Is PizzaPriceCalculator free?

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

### Which has better reviews, interChem or PizzaPriceCalculator?

interChem and PizzaPriceCalculator are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do interChem or PizzaPriceCalculator have ads?

Neither interChem nor PizzaPriceCalculator shows ads.

### Which is updated more often, interChem or PizzaPriceCalculator?

interChem ships an update every 3 weeks, and PizzaPriceCalculator every 3 months. Most recently, interChem was updated on November 3, 2026 and PizzaPriceCalculator on October 30, 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.*