# Free Fall Calculator vs WorkKeys Practice Exam Prep

The clearest difference is price: WorkKeys Practice Exam Prep at Free against Free Fall Calculator's $2.99. WorkKeys Practice Exam Prep also leads on update cadence (every 3 months vs every 27 months) and iOS requirement (15.1 vs 17.0). Free Fall Calculator's advantage is in-app purchases (none vs 9). On ads and device support there is nothing between them.

WorkKeys Practice Exam Prep is free to download; Free Fall Calculator costs $2.99 up front. WorkKeys Practice Exam Prep sells 9 in-app purchases, starting at $14.99 per 7 days. Free Fall Calculator asks for nothing beyond the download.

Free Fall Calculator ships an update every 27 months, WorkKeys Practice Exam Prep every 3 months. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Free Fall Calculator | WorkKeys Practice Exam Prep |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/free-fall-calculator/id1388824103/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 59 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Snap Prep OU](https://appshunter.io/developer/1711932790) |

## What reviewers say

### Free Fall Calculator

[App page](https://appshunter.io/ios/app/free-fall-calculator/id1388824103)

Calculate free fall motion with accurate physics formulas and a realistic animation. Customize gravity for different celestial bodies and explore motion interactively. Ideal for students, teachers, and physics enthusiasts.

**Highlights:** Calculate time, height, and velocity, Realistic falling simulation animations, Interactive sliders for precise input, Customizable gravity values, Live physics results, Formulas included for reference

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

**In-app purchases:** none


### WorkKeys Practice Exam Prep

[App page](https://appshunter.io/ios/app/workkeys-practice-exam-prep/id6745407573)

Prepare for WorkKeys assessments with practice tests, detailed explanations, and progress tracking. This program offers customizable study plans and simulated exams to build confidence for career advancement and skill certification.

**Highlights:** Extensive question bank, Detailed explanations, Progress tracking, Customizable study plans, Simulated exam mode, Targeted skill modules

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkKeys Weekly Full Access | $14.99 | per 7 days |
| WorkKeys Monthly Full Access | $34.99 | per month |
| WorkKey Monthly Full Access | $34.99 | per month |
| WorkKey Quarterly Full Access | $55.99 | per 3 months |
| WorkKey Quarterly Full Access | $59.99 | per 3 months |
| WorkKey Semiannual Full Access | $75.99 | per 6 months |
| WorkKey Semiannual Full Access | $79.99 | per 6 months |
| WorkKey Annual Full Access | $109.99 | per year |
| WorkKey Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is Free Fall Calculator free?

Free Fall Calculator costs $2.99, with no in-app purchases.

### Is WorkKeys Practice Exam Prep free?

WorkKeys Practice Exam Prep is free to download, with in-app purchases available.

### Do Free Fall Calculator or WorkKeys Practice Exam Prep have ads?

Neither Free Fall Calculator nor WorkKeys Practice Exam Prep shows ads.

### Which is updated more often, Free Fall Calculator or WorkKeys Practice Exam Prep?

Free Fall Calculator ships an update every 27 months, and WorkKeys Practice Exam Prep every 3 months. Most recently, Free Fall Calculator was updated on October 3, 2026 and WorkKeys Practice Exam Prep on October 6, 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.*