# Serious Solids vs Electrochemistry

The clearest difference is price: Serious Solids at Free against Electrochemistry's $3.99. Serious Solids also leads on iOS requirement (12.0 vs 17.0). Electrochemistry's advantage is update cadence (every 3 months vs every 48 months). On ads, in-app purchases and device support there is nothing between them.

Serious Solids is free to download; Electrochemistry costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Serious Solids ships an update every 48 months, Electrochemistry every 3 months. The most recent releases landed on June 3, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Serious Solids | Electrochemistry |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[2.7 (7 ratings)](https://appshunter.io/ios/app/serious-solids/id992220810/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 52 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cheryl Montgomery](https://appshunter.io/developer/611176285) | [Roman Volinsky](https://appshunter.io/developer/977951850) |

## What reviewers say

### Serious Solids

[App page](https://appshunter.io/ios/app/serious-solids/id992220810)

This educational game challenges players to identify the correct combinations of cations and anions to form solid precipitates. It's designed to help users learn to predict the products of common precipitation reactions through interactive experimentation.

**Highlights:** Predict precipitation reactions, Combine cations and anions, Form solid precipitates, Experiment with ion symbols, Earn points by swiping spectator ions

**Features:** macOS Compatibility

**In-app purchases:** none


### Electrochemistry

[App page](https://appshunter.io/ios/app/electrochemistry/id1014920086)

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

**In-app purchases:** none


## Frequently asked questions

### Is Serious Solids free?

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

### Is Electrochemistry free?

Electrochemistry costs $3.99, with no in-app purchases.

### Do Serious Solids or Electrochemistry have ads?

Neither Serious Solids nor Electrochemistry shows ads.

### Which is updated more often, Serious Solids or Electrochemistry?

Serious Solids ships an update every 48 months, and Electrochemistry every 3 months. Most recently, Serious Solids was updated on June 3, 2026 and Electrochemistry on September 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.*