# Eurêkoi vs Identifier

The clearest difference is in-app purchases: Eurêkoi at none against Identifier's 3. Eurêkoi also leads on device support (3 vs 1) and iOS requirement (14.0 vs 18.0). Identifier's advantage is update cadence (every 3 weeks vs every 10 months). On price and ads there is nothing between them.

Both are free to download. Identifier sells 3 in-app purchases, starting at $4.99 per 7 days. Eurêkoi asks for nothing beyond the download.

Eurêkoi ships an update every 10 months, Identifier every 3 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Eurêkoi | Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/identifier-bird/id6745132969/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 5 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Bibliothèque Publique d'Information](https://appshunter.io/developer/512660792) | [Sergii Nesterenko](https://appshunter.io/developer/1686841405) |

## What reviewers say

### Eurêkoi

[App page](https://appshunter.io/ios/app/eurekoi/id1022381807)

Get personalized answers to your questions from 600 expert librarians within 72 hours. Receive tailored recommendations for books, films, series, and board games based on your preferences. All questions are answered anonymously, with sources and research methods provided.

**Highlights:** Personalized answers from librarians, Recommendations for books, films, series, Answers within 72 hours, Sources and research methods provided, Anonymous question submission, Board game recommendations

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

**In-app purchases:** none


### Identifier

[App page](https://appshunter.io/ios/app/identifier-bird/id6745132969)

Snap a photo to instantly identify birds. Explore detailed species information, habitat notes, and fascinating facts. Save your discoveries in a personal history for easy access.

**Highlights:** Identify birds from photos, Analyze color, shape, and markings, View likely matches with confidence, Access habitat notes and species details, Save discoveries in personal history

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Monthly Premium | $7.99 | per month |
| Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is Eurêkoi free?

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

### Is Identifier free?

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

### Do Eurêkoi or Identifier have ads?

Neither Eurêkoi nor Identifier shows ads.

### Which is updated more often, Eurêkoi or Identifier?

Eurêkoi ships an update every 10 months, and Identifier every 3 weeks. Most recently, Eurêkoi was updated on October 1, 2026 and Identifier on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*