# Formula Conversion vs Lebone II College

The clearest difference is in-app purchases: Lebone II College at none against Formula Conversion's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Formula Conversion sells 1 one-off in-app purchase. Lebone II College asks for nothing beyond the download.

Formula Conversion ships an update every 26 months, Lebone II College every 20 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Formula Conversion | Lebone II College |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 20 months** |
| Size | 2 MB | 123 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Janek Soomets](https://appshunter.io/developer/1315295062) | [My School Zone cc](https://appshunter.io/developer/1289131008) |

## What reviewers say

### Formula Conversion

[App page](https://appshunter.io/ios/app/formula-conversion/id1586539965)

**Features:** macOS Compatibility

**In-app purchases (1)**

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


### Lebone II College

[App page](https://appshunter.io/ios/app/lebone-ii-college/id6740754346)

**In-app purchases:** none


## Frequently asked questions

### Is Formula Conversion free?

Formula Conversion is free to download, with in-app purchases available.

### Is Lebone II College free?

Lebone II College is free to download, with no in-app purchases.

### Do Formula Conversion or Lebone II College have ads?

Neither Formula Conversion nor Lebone II College shows ads.

### Which is updated more often, Formula Conversion or Lebone II College?

Formula Conversion ships an update every 26 months, and Lebone II College every 20 months. Most recently, Formula Conversion was updated on November 3, 2026 and Lebone II College on October 30, 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.*