# Bluebird vs Icelandic Declension Master

The clearest difference is price: Bluebird at Free against Icelandic Declension Master's $0.99. Bluebird also leads on iOS requirement (13.0 vs 17.0). Icelandic Declension Master's advantage is in-app purchases (none vs 5) and update cadence (every 2 days vs every 3 months). On ads and device support there is nothing between them.

Bluebird is free to download; Icelandic Declension Master costs $0.99 up front. Bluebird sells 5 in-app purchases, starting at $9.99 per month. Icelandic Declension Master asks for nothing beyond the download.

Bluebird ships an update every 3 months, Icelandic Declension Master every 2 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Bluebird | Icelandic Declension Master |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Size | 45 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Pronunciator LLC](https://appshunter.io/developer/520228857) | [RusMate.co.uk](https://appshunter.io/developer/324893074) |

## What reviewers say

### Bluebird

[App page](https://appshunter.io/ios/app/bluebird-learn-icelandic/id1583207374)

**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 |


### Icelandic Declension Master

[App page](https://appshunter.io/ios/app/icelandic-declension-master/id6751197621)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluebird free?

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

### Is Icelandic Declension Master free?

Icelandic Declension Master costs $0.99, with no in-app purchases.

### Do Bluebird or Icelandic Declension Master have ads?

Neither Bluebird nor Icelandic Declension Master shows ads.

### Which is updated more often, Bluebird or Icelandic Declension Master?

Bluebird ships an update every 3 months, and Icelandic Declension Master every 2 days. Most recently, Bluebird was updated on November 3, 2026 and Icelandic Declension Master on November 8, 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.*