interChem vs PizzaPriceCalculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
interChem
Calculate atomic and molecular masses, element percentages, and view a periodic table. Features dynamic font sizing and Split View support for iPad.
- 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
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Version 2.5 - Interface and interaction logic redesigned. - The search bar have been moved to the bottom of the screen which is more reachable when holding your phone with one hand. - This app now supports iOS / iPadOS's dynamic font size, which can be adjusted in system preferences. - The settings page have been moved onto a pop up sheet which is clearer. interChem A simple app which allows you to enter a chemical and calculates its relative atomic or molecular mass, as well as the percentage of each element, and a well designed list of all periods of elements, with classification. Also supports Split View on iPadOS, as well as drag and drop.
PizzaPriceCalculator
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.
- Calculate cost per square inch
- Supports circular pizzas
- Supports rectangular pizzas
- Compare different pizza stores
- Compare different pizza types
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Minimalist vibe coded app to calculate the cost per square inch of a whole pizza (circular or rectangular) for easy comparison of different stores and different pizza types cost.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | interChem | PizzaPriceCalculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | interfinity Limited | Joshua Smith |
Customer experience
interChem
PizzaPriceCalculator
In-app purchases
interChem
No in-app purchases
PizzaPriceCalculator
No in-app purchases
Questions
Is interChem free?
Is PizzaPriceCalculator free?
Which has better reviews, interChem or PizzaPriceCalculator?
Do interChem or PizzaPriceCalculator have ads?
Which is updated more often, interChem or PizzaPriceCalculator?
Other comparisons
