# BirdLab vs Revirada

The clearest difference is update cadence: BirdLab at every 7 months against Revirada's every 15 months. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BirdLab ships an update every 7 months, Revirada every 15 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | BirdLab | Revirada |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/revirada/id6443457453/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 32.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 15 months |
| Monetization | Free | Free |
| Size | 314 MB | 8 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vigie Nature](https://appshunter.io/developer/934884267) | [Lo Congrès](https://appshunter.io/developer/700653410) |

## What reviewers say

### BirdLab

[App page](https://appshunter.io/ios/app/birdlab/id934884268)

Participate in citizen science by observing bird behavior at feeders. Learn to identify 29 common species and contribute valuable data to researchers studying avian interactions. Play during winter months to help advance scientific understanding of bird communities.

**Highlights:** Build and set up bird feeders, Learn to identify 29 bird species, Play a 5-minute observation game, Contribute data to scientific research, Track bird interactions on feeders, Share stats and recruit friends

**Features:** macOS Compatibility

**In-app purchases:** none


### Revirada

[App page](https://appshunter.io/ios/app/revirada/id6443457453)

Translate between Occitan (Gascon and Languedocian) and French with this automatic translator. Input text by typing, pasting, or importing from photos/galleries. Listen to Occitan translations with text-to-speech.

**Highlights:** Occitan-French translation, French-Occitan translation, Text input and pasting, Import from photo/gallery, Text-to-speech for Occitan, Utilizes dicodòc resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BirdLab free?

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

### Is Revirada free?

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

### Do BirdLab or Revirada have ads?

Neither BirdLab nor Revirada shows ads.

### Which is updated more often, BirdLab or Revirada?

BirdLab ships an update every 7 months, and Revirada every 15 months. Most recently, BirdLab was updated on October 13, 2026 and Revirada on October 3, 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.*