# Rata vs Prubi

The clearest difference is ads: Prubi at none against Rata's shown. Prubi also leads on update cadence (every 3 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Rata sells 2 in-app purchases, starting at $2.99 per month and Prubi sells 3 in-app purchases, starting at $29.99 per year. Whichever you choose, the download price is not the number that matters.

Rata ships an update fortnightly, Prubi every 3 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rata | Prubi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 39 MB | 35 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Comeva Inc.](https://appshunter.io/developer/1755537877) | [Teawoong Kim](https://appshunter.io/developer/6799824959) |

## What reviewers say

### Rata

[App page](https://appshunter.io/ios/app/rata-shared-calendar/id6511228689)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rata Premium Monthly | $2.99 | per month |
| Rata Premium Annual | $19.99 | per year |


### Prubi

[App page](https://appshunter.io/ios/app/prubi-ai-note-taking-journal/id6799824957)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $29.99 | per year |
| Prubi Real Native | $49.00 | per month |
| Premium Lifetime | $109.99 | one-time |


## Frequently asked questions

### Is Rata free?

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

### Is Prubi free?

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

### Do Rata or Prubi have ads?

Rata shows ads; Prubi does not.

### Which is updated more often, Rata or Prubi?

Rata ships an update fortnightly, and Prubi every 3 days. Most recently, Rata was updated on October 27, 2026 and Prubi 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.*