# UiBi Mobile vs Bluebird

The clearest difference is in-app purchases: UiBi Mobile at none against Bluebird's 5. UiBi Mobile also leads on iOS requirement (11.0 vs 13.0). Bluebird's advantage is update cadence (every 3 months vs every 40 months). On price, ads and device support there is nothing between them.

Both are free to download. Bluebird sells 5 in-app purchases, starting at $9.99 per month. UiBi Mobile asks for nothing beyond the download.

UiBi Mobile ships an update every 40 months, Bluebird every 3 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | UiBi Mobile | Bluebird |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 months** |
| Size | 21 MB | 45 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Fondazione Cassa di Risparmio di Lucca](https://appshunter.io/developer/930443800) | [Pronunciator LLC](https://appshunter.io/developer/520228857) |

## What reviewers say

### UiBi Mobile

[App page](https://appshunter.io/ios/app/uibi-mobile/id930443801)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bluebird

[App page](https://appshunter.io/ios/app/bluebird-learn-estonian/id1583930049)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited languages (1 month) | $9.99 | per month |
| Unlimited languages (1 year) | $99.99 | per year |
| RAPID TEST PRODUCT | $19.99 | one-time |
| One Language Lifetime purchase | $99.00 | one-time |
| Lifetime purchase | $199.99 | one-time |


## Frequently asked questions

### Is UiBi Mobile free?

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

### Is Bluebird free?

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

### Do UiBi Mobile or Bluebird have ads?

Neither UiBi Mobile nor Bluebird shows ads.

### Which is updated more often, UiBi Mobile or Bluebird?

UiBi Mobile ships an update every 40 months, and Bluebird every 3 months. Most recently, UiBi Mobile was updated on October 14, 2026 and Bluebird on October 10, 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.*