# High School Physics vs IconRefresh

The clearest difference is price: IconRefresh at Free against High School Physics's $2.99. IconRefresh also leads on update cadence (every 3 months vs every 35 months). High School Physics's advantage is iOS requirement (8.0 vs 15.4). On ads, in-app purchases and device support there is nothing between them.

IconRefresh is free to download; High School Physics costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

High School Physics ships an update every 35 months, IconRefresh every 3 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | High School Physics | IconRefresh |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iconrefresh/id6471902392/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 14 MB | 66 MB |
| Requires iOS | **8.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nurten PIRLI](https://appshunter.io/developer/1495958705) | [Ralf Westphal](https://appshunter.io/developer/1617511790) |

## What reviewers say

### High School Physics

[App page](https://appshunter.io/ios/app/high-school-physics/id1497132089)

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

**In-app purchases:** none


### IconRefresh

[App page](https://appshunter.io/ios/app/iconrefresh/id6471902392)

This app helps retain learned information by sending personalized challenge questions after training. It aims to combat the forgetting curve, ensuring long-term memory retention through regular engagement.

**Highlights:** Spaced repetition for memory recall, Personalized challenge questions, Combats the forgetting curve, Post-training engagement, Customizable refresh frequency

**In-app purchases:** none


## Frequently asked questions

### Is High School Physics free?

High School Physics costs $2.99, with no in-app purchases.

### Is IconRefresh free?

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

### Do High School Physics or IconRefresh have ads?

Neither High School Physics nor IconRefresh shows ads.

### Which is updated more often, High School Physics or IconRefresh?

High School Physics ships an update every 35 months, and IconRefresh every 3 months. Most recently, High School Physics was updated on October 3, 2026 and IconRefresh on October 9, 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.*