# Optarion vs Brainlist Calendar

The clearest difference is in-app purchases: Optarion at none against Brainlist Calendar's 3. Optarion also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. Brainlist Calendar sells 3 in-app purchases, starting at $2.99 per 7 days. Optarion asks for nothing beyond the download.

## The numbers

| Metric | Optarion | Brainlist Calendar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 80 MB | 20 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Abdulkarim habib](https://appshunter.io/developer/1884511712) | [Lara Hopf](https://appshunter.io/developer/6791277674) |

## What reviewers say

### Optarion

[App page](https://appshunter.io/ios/app/optarion/id6760447529)

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

**In-app purchases:** none


### Brainlist Calendar

[App page](https://appshunter.io/ios/app/brainlist-calendar/id6795180261)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Brainlist Pro (Weekly) | $2.99 | per 7 days |
| Brainlist Pro (Monthly) | $6.99 | per month |
| Brainlist Pro (Yearly) | $29.99 | per year |


## Frequently asked questions

### Is Optarion free?

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

### Is Brainlist Calendar free?

Brainlist Calendar is free to download, with in-app purchases available.

### Do Optarion or Brainlist Calendar have ads?

Neither Optarion nor Brainlist Calendar shows ads.

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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.*