# EIIE vs Physics Formulas

The clearest difference is in-app purchases: EIIE at none against Physics Formulas's 2. EIIE also leads on iOS requirement (11.0 vs 15.1). Physics Formulas's advantage is update cadence (every 2 months vs every 31 months). On price, ads and device support there is nothing between them.

Both are free to download. Physics Formulas sells 2 in-app purchases, starting at $3.99 per 7 days. EIIE asks for nothing beyond the download.

EIIE ships an update every 31 months, Physics Formulas every 2 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | EIIE | Physics Formulas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 2 months** |
| Size | 20 MB | 38 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fidelo Software GmbH](https://appshunter.io/developer/890925542) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### EIIE

[App page](https://appshunter.io/ios/app/eiie-study-in-germany/id1536965764)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Formulas

[App page](https://appshunter.io/ios/app/physics-formulas-physref/id6757826240)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $3.99 | per 7 days |
| Lifetime Access | $49.99 | one-time |


## Frequently asked questions

### Is EIIE free?

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

### Is Physics Formulas free?

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

### Do EIIE or Physics Formulas have ads?

Neither EIIE nor Physics Formulas shows ads.

### Which is updated more often, EIIE or Physics Formulas?

EIIE ships an update every 31 months, and Physics Formulas every 2 months. Most recently, EIIE was updated on October 7, 2026 and Physics Formulas on October 4, 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.*