# Physics Formulas Lite vs ASVAB Prep

The clearest difference is price: Physics Formulas Lite at Free against ASVAB Prep's $0.99. ASVAB Prep's advantage is update cadence (fortnightly vs every 4 months) and iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Physics Formulas Lite is free to download; ASVAB Prep costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Physics Formulas Lite ships an update every 4 months, ASVAB Prep fortnightly. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Physics Formulas Lite | ASVAB Prep |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.6 (60 ratings)](https://appshunter.io/ios/app/physics-formulas-lite/id814896887/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 43 MB | 4 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NSC CO. PTY LTD](https://appshunter.io/developer/579522076) | [James Kelly](https://appshunter.io/developer/825582894) |

## What reviewers say

### Physics Formulas Lite

[App page](https://appshunter.io/ios/app/physics-formulas-lite/id814896887)

Quickly access and reference physics formulas for study and work. Features include calculation tools, multi-language support, a favorites folder, and formula sharing. Search and add custom formulas and tools.

**Highlights:** Formula reference by category, In-app calculation tools, Multi-language support, Favorites folder for quick access, Formula sharing functionality, Searchable formula database, Add custom formulas and tools

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

**In-app purchases:** none


### ASVAB Prep

[App page](https://appshunter.io/ios/app/asvab-prep/id6740828857)

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

**In-app purchases:** none


## Frequently asked questions

### Is Physics Formulas Lite free?

Physics Formulas Lite is free to download, with no in-app purchases.

### Is ASVAB Prep free?

ASVAB Prep costs $0.99, with no in-app purchases.

### Do Physics Formulas Lite or ASVAB Prep have ads?

Neither Physics Formulas Lite nor ASVAB Prep shows ads.

### Which is updated more often, Physics Formulas Lite or ASVAB Prep?

Physics Formulas Lite ships an update every 4 months, and ASVAB Prep fortnightly. Most recently, Physics Formulas Lite was updated on September 23, 2026 and ASVAB Prep on September 15, 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.*