# Pilot Math! vs DrPhos Science Calculator

The clearest difference is in-app purchases: Pilot Math! at none against DrPhos Science Calculator's 10. Pilot Math! also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (11.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. DrPhos Science Calculator sells 10 one-off in-app purchases. Pilot Math! asks for nothing beyond the download.

Pilot Math! ships an update weekly, DrPhos Science Calculator every 3 weeks. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pilot Math! | DrPhos Science Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/drphos-science-calculator/id6747954398/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 24 MB | 11 MB |
| Requires iOS | **11.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mehmetmh sarikose](https://appshunter.io/developer/1678509281) | [Monte L Helm](https://appshunter.io/developer/1715082616) |

## What reviewers say

### Pilot Math!

[App page](https://appshunter.io/ios/app/pilot-math/id6446653385)

**Features:** macOS Compatibility

**In-app purchases:** none


### DrPhos Science Calculator

[App page](https://appshunter.io/ios/app/drphos-science-calculator/id6747954398)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quadratic Equation Solver | $0.99 | one-time |
| Solution Concentrations | $0.99 | one-time |
| Molar Mass Calculator | $0.99 | one-time |
| Ionic Compound Builder | $0.99 | one-time |
| Reaction Balancer | $0.99 | one-time |
| Naming Compounds | $0.99 | one-time |
| pH Calculator | $0.99 | one-time |
| Stoichiometry | $0.99 | one-time |
| Kinetics | $0.99 | one-time |
| Significant Figures Counter | $0.99 | one-time |


## Frequently asked questions

### Is Pilot Math! free?

Pilot Math! is free to download, with no in-app purchases.

### Is DrPhos Science Calculator free?

DrPhos Science Calculator is free to download, with in-app purchases available.

### Do Pilot Math! or DrPhos Science Calculator have ads?

Neither Pilot Math! nor DrPhos Science Calculator shows ads.

### Which is updated more often, Pilot Math! or DrPhos Science Calculator?

Pilot Math! ships an update weekly, and DrPhos Science Calculator every 3 weeks. Most recently, Pilot Math! was updated on October 5, 2026 and DrPhos Science Calculator on October 24, 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.*