# Physical Constants vs Edushop

The clearest difference is in-app purchases: Physical Constants at none against Edushop's 10. Edushop's advantage is ads (none vs shown) and update cadence (monthly vs every 9 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Edushop sells 10 one-off in-app purchases. Physical Constants asks for nothing beyond the download.

Physical Constants ships an update every 9 months, Edushop monthly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Physical Constants | Edushop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/physical-constants-ml/id837679891/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 25 MB | 85 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Takuya Ishikawa](https://appshunter.io/developer/468311118) | [Dang Phuoc Toan](https://appshunter.io/developer/1687623532) |

## What reviewers say

### Physical Constants

[App page](https://appshunter.io/ios/app/physical-constants-ml/id837679891)

Access a comprehensive list of physical constants, organized by category for easy searching. This app supports all AppStore languages and allows users to report corrections via email.

**Highlights:** Physical constants database, Categorized by topic, Search functionality, Multi-language support, User feedback for corrections

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

**In-app purchases:** none


### Edushop

[App page](https://appshunter.io/ios/app/edushop/id6449079275)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói nạp 99.000đ | $2.99 | one-time |
| Gói nạp 129.000đ | $3.99 | one-time |
| Gói nạp 149.000đ | $4.99 | one-time |
| Gói nạp 199.000đ | $6.99 | one-time |
| Gói nạp 249.000đ | $7.99 | one-time |
| Gói nạp 299.000đ | $9.99 | one-time |
| Gói nạp 399.000đ | $12.99 | one-time |
| Gói nạp 499.000đ | $14.99 | one-time |
| Gói nạp 599.000đ | $19.99 | one-time |
| Gói nạp 699.000đ | $22.99 | one-time |


## Frequently asked questions

### Is Physical Constants free?

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

### Is Edushop free?

Edushop is free to download, with in-app purchases available.

### Do Physical Constants or Edushop have ads?

Physical Constants shows ads; Edushop does not.

### Which is updated more often, Physical Constants or Edushop?

Physical Constants ships an update every 9 months, and Edushop monthly. Most recently, Physical Constants was updated on October 30, 2026 and Edushop on October 25, 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.*