# HS for Public Service vs PowerMath

The clearest difference is in-app purchases: HS for Public Service at none against PowerMath's 8. HS for Public Service also leads on ads (none vs shown). PowerMath's advantage is update cadence (every 3 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. PowerMath sells 8 in-app purchases, starting at $1.99 per month. HS for Public Service asks for nothing beyond the download.

HS for Public Service ships an update every 2 months, PowerMath every 3 weeks. The most recent releases landed on October 27, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | HS for Public Service | PowerMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (191 ratings)](https://appshunter.io/ios/app/powermath-k-12-math-learning/id6446933510/reviews)** |
| Number of ratings | — | **191** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 166 MB | 266 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Solved Education Consultancy, LLC](https://appshunter.io/developer/1506645558) | [nguyen thanh](https://appshunter.io/developer/1481436893) |

## What reviewers say

### HS for Public Service

[App page](https://appshunter.io/ios/app/hs-for-public-service/id1556300879)

**Features:** Vision Pro support

**In-app purchases:** none


### PowerMath

[App page](https://appshunter.io/ios/app/powermath-k-12-math-learning/id6446933510)

This app offers interactive math practice for students in grades 1-12, covering a wide range of topics from arithmetic to calculus. It provides step-by-step solutions, engaging quizzes, and AI-powered tools to help users improve their math skills and prepare for exams.

**Highlights:** Comprehensive K-12 math curriculum, Step-by-step problem solutions, Interactive math quizzes and games, AI-powered math solver, Graphing and fraction calculators, Personalized learning exercises

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DeltaMath Premium Monthly Plan | $1.99 | per month |
| Three Months VIP | $1.99 | per 3 months |
| One Month VIP | $4.99 | per month |
| DeltaMathPremium HalfYear Plan | $5.99 | per 6 months |
| DeltaMath Premium Annual Plan | $9.99 | per year |
| Six Months VIP | $24.99 | per 6 months |
| 1 Year VIP | $49.99 | per year |
| No ads Pack | $14.99 | one-time |


## Frequently asked questions

### Is HS for Public Service free?

HS for Public Service is free to download, with no in-app purchases.

### Is PowerMath free?

PowerMath is free to download, with in-app purchases available.

### Do HS for Public Service or PowerMath have ads?

PowerMath shows ads; HS for Public Service does not.

### Which is updated more often, HS for Public Service or PowerMath?

HS for Public Service ships an update every 2 months, and PowerMath every 3 weeks. Most recently, HS for Public Service was updated on October 27, 2026 and PowerMath on November 7, 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.*