# Learn It 2 Earn It vs Interactive Physics Simulator

The clearest difference is price: Learn It 2 Earn It at Free against Interactive Physics Simulator's $4.99. Learn It 2 Earn It also leads on ratings volume (22 vs 1) and iOS requirement (12.4 vs 17.6). Interactive Physics Simulator's advantage is in-app purchases (none vs 6) and update cadence (weekly vs every 3 weeks). On rating, ads and device support there is nothing between them.

Learn It 2 Earn It is free to download; Interactive Physics Simulator costs $4.99 up front. Learn It 2 Earn It sells 6 in-app purchases, starting at $3.99 per month. Interactive Physics Simulator asks for nothing beyond the download.

Interactive Physics Simulator holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Learn It 2 Earn It has 22 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of Learn It 2 Earn It's written reviews are positive against 100% of Interactive Physics Simulator's.

Learn It 2 Earn It ships an update every 3 weeks, Interactive Physics Simulator weekly. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Learn It 2 Earn It | Interactive Physics Simulator |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [4.8 (22 ratings)](https://appshunter.io/ios/app/learn-it-2-earn-it/id1493881953/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/interactive-physics-simulator/id6755827134/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 90.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 27 MB | 9 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [LI2EI, INC.](https://appshunter.io/developer/1493881952) | [Dietmar Henrich](https://appshunter.io/developer/1856587905) |

## What reviewers say

### Learn It 2 Earn It

[App page](https://appshunter.io/ios/app/learn-it-2-earn-it/id1493881953)

This app helps K-5 students improve test scores by linking educational progress to access to their favorite apps and games. Children earn screen time by demonstrating mastery of math and reading comprehension skills, with progress reports for parents.

**Highlights:** Math and reading lessons for K-5, Adaptive lesson difficulty, App and internet blocking, Weekly progress reports, Parent dashboard controls, Time bank for earned screen time

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Package (1 Child) | $3.99 | per month |
| Monthly Package (2-3 Children) | $5.99 | per month |
| Monthly Package (4-6 Children) | $7.99 | per month |
| Annual Package (1 Child) | $39.99 | per year |
| Annual Package (2-3 Children) | $59.99 | per year |
| Annual Package (4-6 Children) | $79.99 | per year |


### Interactive Physics Simulator

[App page](https://appshunter.io/ios/app/interactive-physics-simulator/id6755827134)

Explore over 100 real-time physics simulations across 38 modules, covering classical, modern, quantum, and medical physics. Visualize complex phenomena with adjustable parameters, formulas, and immediate visual feedback. Ideal for students and educators seeking an interactive learning laboratory.

**Highlights:** 100+ interactive simulations, 38 physics modules, Real-time parameter control, Adjustable sliders with visual feedback, Formulas and numerical results displayed, Quiz mode for testing understanding, Support for 12 languages

**In-app purchases:** none


## Frequently asked questions

### Is Learn It 2 Earn It free?

Learn It 2 Earn It is free to download, with in-app purchases available.

### Is Interactive Physics Simulator free?

Interactive Physics Simulator costs $4.99, with no in-app purchases.

### Which has better reviews, Learn It 2 Earn It or Interactive Physics Simulator?

Interactive Physics Simulator is rated higher. Learn It 2 Earn It averages 4.8 out of 5 from 22 ratings, while Interactive Physics Simulator averages 5.0 from 1 ratings.

### Do Learn It 2 Earn It or Interactive Physics Simulator have ads?

Neither Learn It 2 Earn It nor Interactive Physics Simulator shows ads.

### Which is updated more often, Learn It 2 Earn It or Interactive Physics Simulator?

Learn It 2 Earn It ships an update every 3 weeks, and Interactive Physics Simulator weekly. Most recently, Learn It 2 Earn It was updated on September 30, 2026 and Interactive Physics Simulator on October 10, 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.*