# Physics Calc vs Hello, Hero

The clearest difference is update cadence: Hello, Hero at weekly against Physics Calc's every 5 weeks. Physics Calc's advantage is price ($0.99 vs $1.99) and iOS requirement (12.1 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Physics Calc costs $0.99 and Hello, Hero $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Physics Calc ships an update every 5 weeks, Hello, Hero weekly. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Physics Calc | Hello, Hero |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hello-hero/id6739343026/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | — | Paid |
| Size | 67 MB | 1 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Isaac Cabello](https://appshunter.io/developer/1578202572) | [金攀 虞](https://appshunter.io/developer/1674729630) |

## What reviewers say

### Physics Calc

[App page](https://appshunter.io/ios/app/physics-calc/id1578202570)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hello, Hero

[App page](https://appshunter.io/ios/app/hello-hero/id6739343026)

Explore historical narratives and personal stories by chatting with virtual representations of famous figures. This app allows you to immerse yourself in different perspectives and learn through interactive conversations across any language. Enjoy features like role switching, dialogue history, and customizable display modes.

**Highlights:** Conversations with historical figures, Support for any language, Switchable role dialogues, Dialogue history storage, Light/dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics Calc free?

Physics Calc costs $0.99, with no in-app purchases.

### Is Hello, Hero free?

Hello, Hero costs $1.99, with no in-app purchases.

### Do Physics Calc or Hello, Hero have ads?

Neither Physics Calc nor Hello, Hero shows ads.

### Which is updated more often, Physics Calc or Hello, Hero?

Physics Calc ships an update every 5 weeks, and Hello, Hero weekly. Most recently, Physics Calc was updated on October 13, 2026 and Hello, Hero on October 16, 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.*