# Serious Solids vs NHA Mobile

The clearest difference is review sentiment: Serious Solids at 100% against NHA Mobile's 11%. Serious Solids also leads on rating (2.7 vs 2.0) and iOS requirement (12.0 vs 17.0). NHA Mobile's advantage is update cadence (every 6 months vs every 48 months) and ratings volume (25 vs 7). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Serious Solids holds the better App Store score, 2.7 against 2.0. Both are backed by a comparable volume of ratings — 7 and 25 respectively. Written reviews point the same way: 100% of Serious Solids's written reviews are positive against 11% of NHA Mobile's.

Serious Solids ships an update every 48 months, NHA Mobile every 6 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Serious Solids | NHA Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (7 ratings)](https://appshunter.io/ios/app/serious-solids/id992220810/reviews)** | [2.0 (25 ratings)](https://appshunter.io/ios/app/nha-mobile/id1615770264/reviews) |
| Number of ratings | 7 | **25** |
| Positive reviews | **100.0% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 52 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Cheryl Montgomery](https://appshunter.io/developer/611176285) | [ATI](https://appshunter.io/developer/369946807) |

## 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


### NHA Mobile

[App page](https://appshunter.io/ios/app/nha-mobile/id1615770264)

This app provides interactive flashcards designed to help allied healthcare learners prepare for NHA certification exams. It features progress and time tracking to focus study efforts on areas needing improvement. The app aims to make studying convenient for those balancing multiple life priorities.

**Highlights:** Study-on-the-go flashcards, Aligned to NHA certification exams, Progress and time tracker, Personalized study experience, Mobile-first design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Serious Solids free?

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

### Is NHA Mobile free?

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

### Which has better reviews, Serious Solids or NHA Mobile?

Serious Solids is rated higher. Serious Solids averages 2.7 out of 5 from 7 ratings, while NHA Mobile averages 2.0 from 25 ratings.

### Do Serious Solids or NHA Mobile have ads?

Neither Serious Solids nor NHA Mobile shows ads.

### Which is updated more often, Serious Solids or NHA Mobile?

Serious Solids ships an update every 48 months, and NHA Mobile every 6 months. Most recently, Serious Solids was updated on November 1, 2026 and NHA Mobile on November 3, 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.*