# iPhysik 2 vs Exponential Growth Calculator

The clearest difference is price: Exponential Growth Calculator at Free against iPhysik 2's $1.99. Exponential Growth Calculator also leads on update cadence (every 3 weeks vs every 10 months). iPhysik 2's advantage is in-app purchases (none vs 8) and iOS requirement (12.0 vs 15.0). On ads and device support there is nothing between them.

Exponential Growth Calculator is free to download; iPhysik 2 costs $1.99 up front. Exponential Growth Calculator sells 8 one-off in-app purchases. iPhysik 2 asks for nothing beyond the download.

iPhysik 2 ships an update every 10 months, Exponential Growth Calculator every 3 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iPhysik 2 | Exponential Growth Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/exponential-growth-calculator/id1662901079/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 388 MB | 180 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [lernklick](https://appshunter.io/developer/303776339) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### iPhysik 2

[App page](https://appshunter.io/ios/app/iphysik-2/id335601218)

Deepen your understanding of school physics with interactive exercises on mechanics and electricity. Designed by teachers and tested by students, this app offers a focused learning path without distractions, in-app purchases, or ads. It complements textbooks and real experiments, helping you grasp concepts through engaging activities.

**Highlights:** Mechanics and electricity topics, Teacher-developed and student-tested, No in-app purchases, ads, or registration, Offline functionality, Learning and test modes, Interactive exercises and feedback

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

**In-app purchases:** none


### Exponential Growth Calculator

[App page](https://appshunter.io/ios/app/exponential-growth-calculator/id1662901079)

Instantly solve math problems and prepare for exams with step-by-step solutions. Visualize your function's development graphically by entering initial values, growth rates, or time. Access curated learning videos and manage your solutions.

**Highlights:** Instant step-by-step solutions, Graphical function development, Curated learning videos, Input feedback, Solution management, Anonymized data collection

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Remove Ads | $1.99 | one-time |
| Lifetime Access | $1.99 | one-time |


## Frequently asked questions

### Is iPhysik 2 free?

iPhysik 2 costs $1.99, with no in-app purchases.

### Is Exponential Growth Calculator free?

Exponential Growth Calculator is free to download, with in-app purchases available.

### Do iPhysik 2 or Exponential Growth Calculator have ads?

Neither iPhysik 2 nor Exponential Growth Calculator shows ads.

### Which is updated more often, iPhysik 2 or Exponential Growth Calculator?

iPhysik 2 ships an update every 10 months, and Exponential Growth Calculator every 3 weeks. Most recently, iPhysik 2 was updated on October 23, 2026 and Exponential Growth Calculator on October 24, 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.*