# Formula Conversion — Simple and Practical

> Simple and Practical (iPhone/iPad app by Janek Soomets.)

- Source: https://appshunter.io/ios/app/formula-conversion/id1586539965 (this page in markdown: same URL + `.md`)
- Developer: [Janek Soomets](https://appshunter.io/developer/1315295062)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 14.1 · 2 MB
- Languages: American English
- Released: 2021-09-20
- Data updated: 2026-06-12
- User reviews in markdown: https://appshunter.io/ios/app/formula-conversion/id1586539965/reviews.md

## What is Formula Conversion?

It is a formula conversion application. You can print a formula or a modified formula. You can save unmodified formulas to your phone's storage medium and then open it if necessary.

Upgrading
An application without an upgrade is limited to 24 formula conversions. If you want to convert the formula more than ten times, you must make an in-app purchase.

Creating and opening a formula
You can open the formula by clicking the first button on the toolbar.
You can create a new formula using the symbols, symbols, numbers, and letters on the keyboard. You can change the font size of letters and symbols by pressing the "alp." Or "ALP." And "sym." Or "SYM." Buttons on the toolbar. If you wish, you can delete the characters by pressing the "del." Key. And use the arrows to move between the elements of the formula.

Formatting the formula
You can format the formula by first selecting the characters you want to change. The selection key is "Sel.", And you can then select by scrolling between the elements of the formula or by pressing the finger on the desired character. You can format the selected formula by pressing the second button on the toolbar from the back. You can change the font, font size, font, and font color

Saving and printing the sample
You can save the formula by pressing another button on the toolbar. Press the third button on the toolbar to print. If you want to delete the saved formulas, press the fourth button on the toolbar.

Converting a formula
When the formula is ready, you can publish parts of the formula. To publish part of a formula, select the item with the cursor. Press the fifth button on the toolbar to publish the formula. You can also print the converted formula by clicking the "Print" button.

Zoom a formula
If you want to increase or decrease the formula, press the third button on the back of the toolbar.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Upgrade Formula Conversion | $3.99 | one-time |



## Version history (last 3 releases)

### 1.2 — 2025-12-27

Update age ratings question.

### 1.1 — 2024-08-30

Bug fixes.

### 1.0 — 2021-09-20

No release notes.

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## More apps by Janek Soomets

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All apps by Janek Soomets: https://appshunter.io/developer/1315295062

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-12.*