# HS Physics Prep 2025 vs PP+ Joule Heating

The clearest difference is update cadence: HS Physics Prep 2025 at every 5 months against PP+ Joule Heating's every 31 months. On price, ads, in-app purchases and device support there is nothing between them.

HS Physics Prep 2025 costs $1.99 and PP+ Joule Heating $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, PP+ Joule Heating every 31 months. The most recent releases landed on November 8, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | HS Physics Prep 2025 | PP+ Joule Heating |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 31 months |
| Monetization | Paid | — |
| Size | 2 MB | 125 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Feraco media Inc.](https://appshunter.io/developer/497957884) | [Polyhedron Learning Media, Inc.](https://appshunter.io/developer/458882328) |

## 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


### PP+ Joule Heating

[App page](https://appshunter.io/ios/app/pp-plus-joule-heating/id804719524)

**Features:** macOS Compatibility

**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 PP+ Joule Heating free?

PP+ Joule Heating costs $1.99, with no in-app purchases.

### Do HS Physics Prep 2025 or PP+ Joule Heating have ads?

Neither HS Physics Prep 2025 nor PP+ Joule Heating shows ads.

### Which is updated more often, HS Physics Prep 2025 or PP+ Joule Heating?

HS Physics Prep 2025 ships an update every 5 months, and PP+ Joule Heating every 31 months. Most recently, HS Physics Prep 2025 was updated on November 8, 2026 and PP+ Joule Heating on November 1, 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.*