# Physics Galaxy vs Digital Evolution Hub

The clearest difference is in-app purchases: Physics Galaxy at none against Digital Evolution Hub's 1. Physics Galaxy also leads on update cadence (every 2 months vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Digital Evolution Hub sells 1 one-off in-app purchase. Physics Galaxy asks for nothing beyond the download.

Physics Galaxy ships an update every 2 months, Digital Evolution Hub every 5 months. Both last shipped on September 23, 2026.

## The numbers

| Metric | Physics Galaxy | Digital Evolution Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/physics-galaxy/id1305855812/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 277 MB | 52 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Physics Galaxy](https://appshunter.io/developer/1128811596) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### Physics Galaxy

[App page](https://appshunter.io/ios/app/physics-galaxy/id1305855812)

This app provides high-quality physics content for high school students, designed to build expertise for competitive exams. It covers topics needed for entrance tests like IIT-JEE, BITSAT, and AIPMT, as well as Olympiads and NTSE.

**Highlights:** Refined academic physics content, High school level curriculum, Competitive exam preparation, IIT-JEE, BITSAT, AIPMT, AIIMS focus, Olympiad and NTSE coverage

**In-app purchases:** none


### Digital Evolution Hub

[App page](https://appshunter.io/ios/app/digital-evolution-hub/id6739931766)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowledge Business Hackathon | $5.99 | one-time |


## Frequently asked questions

### Is Physics Galaxy free?

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

### Is Digital Evolution Hub free?

Digital Evolution Hub is free to download, with in-app purchases available.

### Do Physics Galaxy or Digital Evolution Hub have ads?

Neither Physics Galaxy nor Digital Evolution Hub shows ads.

### Which is updated more often, Physics Galaxy or Digital Evolution Hub?

Physics Galaxy ships an update every 2 months, and Digital Evolution Hub every 5 months. Most recently, Physics Galaxy was updated on September 23, 2026 and Digital Evolution Hub on September 23, 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.*