# Ionic Compound Builder — DrPhos

> DrPhos (iPhone/iPad app by Monte L Helm.)

- Source: https://appshunter.io/ios/app/ionic-compound-builder/id6472619902 (this page in markdown: same URL + `.md`)
- Developer: [Monte L Helm](https://appshunter.io/developer/1715082616)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: English
- Released: 2023-11-20
- Data updated: 2026-05-19
- User reviews in markdown: https://appshunter.io/ios/app/ionic-compound-builder/id6472619902/reviews.md

## What is Ionic Compound Builder?

Simple app for building ionic compounds based on their charges.


## Version history (last 3 releases)

### 1.1.2 — 2023-11-22

Fixed an error in calculating subscripts in compounds with dianions.

### 1.1.1 — 2023-11-22

Added more polyatomic ions and metal cations.

### 1.0.1 — 2023-11-20

Fixed a bug related to how app is displayed on iPads.

## More apps by Monte L Helm

- [DrPhos' Molar Mass](https://appshunter.io/ios/app/drphos-molar-mass/id6471319631)
- [DrPhos' Ionic Compounds](https://appshunter.io/ios/app/drphos-ionic-compounds/id6473097401)
- [DrPhos' Reaction Balancer](https://appshunter.io/ios/app/drphos-reaction-balancer/id6474077005)
- [DrPhos' Stoichiometry](https://appshunter.io/ios/app/drphos-stoichiometry/id6475633178)
- [DrPhos' GenChem Naming](https://appshunter.io/ios/app/drphos-genchem-naming/id6476617346)

All apps by Monte L Helm: https://appshunter.io/developer/1715082616

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-19.*