# TechniCalc Calculator vs Centripetal force

The clearest difference is price: Centripetal force at Free against TechniCalc Calculator's $7.99. Centripetal force also leads on in-app purchases (none vs 4) and update cadence (every 3 days vs monthly). TechniCalc Calculator's advantage is chart position (#193 vs unranked) and device support (4 vs 2). On ads there is nothing between them.

Centripetal force is free to download; TechniCalc Calculator costs $7.99 up front. TechniCalc Calculator sells 4 one-off in-app purchases. Centripetal force asks for nothing beyond the download.

TechniCalc Calculator ships an update monthly, Centripetal force every 3 days. The most recent releases landed on September 23, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | TechniCalc Calculator | Centripetal force |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.7 (81 ratings)](https://appshunter.io/ios/app/technicalc-calculator/id1504965415/reviews)** | — |
| Number of ratings | **81** | — |
| Positive reviews | 84.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#193** | — |
| Size | 31 MB | 11 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Parker](https://appshunter.io/developer/1153284524) | [Dhrishty Ghumar](https://appshunter.io/developer/1760664134) |

## What reviewers say

### TechniCalc Calculator

[App page](https://appshunter.io/ios/app/technicalc-calculator/id1504965415)

**Currently charting:** #193 Top Paid · Utilities (US App Store)

This app offers a modern, intuitive interface for complex calculations, supporting scientific, engineering, and advanced mathematical functions. It allows natural equation entry, provides a formula book, and includes unit and currency converters. Available across Apple devices, it caters to students and professionals needing a powerful calculation tool.

**Highlights:** Natural equation entry, Advanced math engine, Formula book and equations, Unit and currency converter, Statistics mode, Equation solvers, Supports multiple Apple devices

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Every Little Helps | $0.99 | one-time |
| Coffee-Sized Tip | $2.99 | one-time |
| Lunch-Sized Tip | $4.99 | one-time |
| Pizza-Sized Tip | $9.99 | one-time |


### Centripetal force

[App page](https://appshunter.io/ios/app/centripetal-force/id6596785247)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TechniCalc Calculator free?

TechniCalc Calculator costs $7.99, and also offers in-app purchases.

### Is Centripetal force free?

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

### Do TechniCalc Calculator or Centripetal force have ads?

Neither TechniCalc Calculator nor Centripetal force shows ads.

### Which is updated more often, TechniCalc Calculator or Centripetal force?

TechniCalc Calculator ships an update monthly, and Centripetal force every 3 days. Most recently, TechniCalc Calculator was updated on September 23, 2026 and Centripetal force on September 11, 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.*