# Innings2 Educate vs Physics Formula Library by CS

The clearest difference is in-app purchases: Innings2 Educate at none against Physics Formula Library by CS's 1. Innings2 Educate also leads on ads (none vs shown) and iOS requirement (13.4 vs 18.4). On price, update cadence and device support there is nothing between them.

Both are free to download. Physics Formula Library by CS sells 1 one-off in-app purchase. Innings2 Educate asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Innings2 Educate | Physics Formula Library by CS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | Every 6 months |
| Size | 18 MB | 10 MB |
| Requires iOS | **13.4** | 18.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Naga Supraja Yarava](https://appshunter.io/developer/1739317109) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Innings2 Educate

[App page](https://appshunter.io/ios/app/innings2-educate/id6480505213)

**Features:** macOS Compatibility

**In-app purchases:** none


### Physics Formula Library by CS

[App page](https://appshunter.io/ios/app/physics-formula-library-by-cs/id6752376666)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $1.99 | one-time |


## Frequently asked questions

### Is Innings2 Educate free?

Innings2 Educate is free to download, with no in-app purchases.

### Is Physics Formula Library by CS free?

Physics Formula Library by CS is free to download, with in-app purchases available.

### Do Innings2 Educate or Physics Formula Library by CS have ads?

Physics Formula Library by CS shows ads; Innings2 Educate does not.

### Which is updated more often, Innings2 Educate or Physics Formula Library by CS?

Innings2 Educate ships an update every 6 months, and Physics Formula Library by CS every 6 months. Most recently, Innings2 Educate was updated on October 11, 2026 and Physics Formula Library by CS on October 20, 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.*