# HS Physics Prep 2025 vs Hydraulic ToolKit

The clearest difference is price: Hydraulic ToolKit at Free against HS Physics Prep 2025's $1.99. Hydraulic ToolKit also leads on update cadence (monthly vs every 5 months) and iOS requirement (15.1 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Hydraulic ToolKit is free to download; HS Physics Prep 2025 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HS Physics Prep 2025 ships an update every 5 months, Hydraulic ToolKit monthly. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HS Physics Prep 2025 | Hydraulic ToolKit |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hydraulic-toolkit/id6468667309/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 2 MB | 23 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Feraco media Inc.](https://appshunter.io/developer/497957884) | [Wade Trim Group, Inc.](https://appshunter.io/developer/1664648819) |

## What reviewers say

### HS Physics Prep 2025

[App page](https://appshunter.io/ios/app/hs-physics-prep-2025-2026/id565978010)

Prepare for high school physics exams with comprehensive practice questions, vocabulary flashcards, and progress tracking. Study offline anytime, anywhere to master key concepts and build confidence for assessments.

**Highlights:** Practice exams, Vocabulary flashcards, Offline study, Progress tracking, Covers all major physics topics

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

**In-app purchases:** none


### Hydraulic ToolKit

[App page](https://appshunter.io/ios/app/hydraulic-toolkit/id6468667309)

Perform essential hydraulic calculations for water infrastructure design on the go. This portable tool offers quick checks for engineers and students, covering common formulas for pipes, channels, and more.

**Highlights:** Perform 7 hydraulic formulas, Supports imperial and metric systems, Quick calculation checks, Portable tool for field use, Reference hydraulic coefficients

**In-app purchases:** none


## Frequently asked questions

### Is HS Physics Prep 2025 free?

HS Physics Prep 2025 costs $1.99, with no in-app purchases.

### Is Hydraulic ToolKit free?

Hydraulic ToolKit is free to download, with no in-app purchases.

### Do HS Physics Prep 2025 or Hydraulic ToolKit have ads?

Neither HS Physics Prep 2025 nor Hydraulic ToolKit shows ads.

### Which is updated more often, HS Physics Prep 2025 or Hydraulic ToolKit?

HS Physics Prep 2025 ships an update every 5 months, and Hydraulic ToolKit monthly. Most recently, HS Physics Prep 2025 was updated on October 19, 2026 and Hydraulic ToolKit 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.*