# All Formulas app vs Electrical Prep

The clearest difference is price: Electrical Prep at Free against All Formulas app's $0.99. Electrical Prep also leads on update cadence (every 5 days vs every 3 months). All Formulas app's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

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

All Formulas app ships an update every 3 months, Electrical Prep every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | All Formulas app | Electrical Prep |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/all-formulas-app/id1534734374/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 23 MB | 12 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ranjeet Kumar](https://appshunter.io/developer/1476822683) | [Sesin IT Services IGT LLC](https://appshunter.io/developer/6808975520) |

## What reviewers say

### All Formulas app

[App page](https://appshunter.io/ios/app/all-formulas-app/id1534734374)

Access a vast library of over 1000 formulas across math, physics, and chemistry. This app is designed for students and professionals needing quick, easy access to essential scientific and mathematical equations. Features include a user-friendly interface, offline access, and regular updates.

**Highlights:** Over 1000+ formulas, Math, physics, chemistry coverage, User-friendly interface, Easy-to-use search, Offline access, Regularly updated

**Features:** Vision Pro support

**In-app purchases:** none


### Electrical Prep

[App page](https://appshunter.io/ios/app/electrical-prep-journeyman/id6809176430)

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

**In-app purchases:** none


## Frequently asked questions

### Is All Formulas app free?

All Formulas app costs $0.99, with no in-app purchases.

### Is Electrical Prep free?

Electrical Prep is free to download, with no in-app purchases.

### Do All Formulas app or Electrical Prep have ads?

Neither All Formulas app nor Electrical Prep shows ads.

### Which is updated more often, All Formulas app or Electrical Prep?

All Formulas app ships an update every 3 months, and Electrical Prep every 5 days. Most recently, All Formulas app was updated on November 3, 2026 and Electrical Prep on October 31, 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.*